PDB Short entry for 1EA5
HEADER    HYDROLASE                               06-NOV-00   1EA5              
TITLE     NATIVE ACETYLCHOLINESTERASE (E.C. 3.1.1.7) FROM TORPEDO CALIFORNICA AT
TITLE    2 1.8A RESOLUTION                                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ACETYLCHOLINESTERASE;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: ACHE;                                                       
COMPND   5 EC: 3.1.1.7                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TORPEDO CALIFORNICA;                            
SOURCE   3 ORGANISM_COMMON: PACIFIC ELECTRIC RAY;                               
SOURCE   4 ORGANISM_TAXID: 7787;                                                
SOURCE   5 VARIANT: G2 FORM;                                                    
SOURCE   6 ORGAN: ELECTRIC ORGAN;                                               
SOURCE   7 TISSUE: ELECTROPLAQUE                                                
KEYWDS    HYDROLASE, SERINE HYDROLASE, NEUROTRANSMITTER CLEAVAGE, CATALYTIC     
KEYWDS   2 TRIAD, ALPHA/BETA HYDROLASE                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.HAREL,M.WEIK,I.SILMAN,J.L.SUSSMAN                                   
REVDAT   7   29-JUL-20 1EA5    1       COMPND REMARK HETNAM LINK                
REVDAT   7 2                   1       SITE                                     
REVDAT   6   03-APR-19 1EA5    1       REMARK LINK   ATOM                       
REVDAT   5   07-SEP-11 1EA5    1       COMPND REMARK HETSYN FORMUL              
REVDAT   5 2                   1       VERSN                                    
REVDAT   4   21-APR-09 1EA5    1       REMARK ATOM   MASTER                     
REVDAT   3   24-MAR-09 1EA5    1       JRNL   REMARK                            
REVDAT   2   24-FEB-09 1EA5    1       VERSN                                    
REVDAT   1   08-NOV-00 1EA5    0                                                
JRNL        AUTH   H.DVIR,H.L.JIANG,D.M.WONG,M.HAREL,M.CHETRIT,X.C.HE,G.Y.JIN,  
JRNL        AUTH 2 G.L.YU,X.C.TANG,I.SILMAN,D.L.BAI,J.L.SUSSMAN                 
JRNL        TITL   X-RAY STRUCTURES OF TORPEDO CALIFORNICA ACETYLCHOLINESTERASE 
JRNL        TITL 2 COMPLEXED WITH (+)-HUPERZINE A AND (-)-HUPERZINE B:          
JRNL        TITL 3 STRUCTURAL EVIDENCE FOR AN ACTIVE SITE REARRANGEMENT         
JRNL        REF    BIOCHEMISTRY                  V.  41 10810 2002              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   12196020                                                     
JRNL        DOI    10.1021/BI020151+                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   G.BUCHT,K.HJALMARSSON                                        
REMARK   1  TITL   RESIDUES IN TORPEDO CALIFORNICA ACETYLCHOLINESTERASE         
REMARK   1  TITL 2 NECESSARY FOR PROCESSING TO A GLYCOSYL                       
REMARK   1  TITL 3 PHOSPHATIDYLINOSITOL-ANCHORED FORM                           
REMARK   1  REF    BIOCHIM.BIOPHYS.ACTA          V.1292   223 1996              
REMARK   1  REFN                   ISSN 0006-3002                               
REMARK   1  PMID   8597567                                                      
REMARK   1  DOI    10.1016/0167-4838(95)00205-7                                 
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   P.H.AXELSEN,M.HAREL,I.SILMAN,J.L.SUSSMAN                     
REMARK   1  TITL   STRUCTURE AND DYNAMICS OF THE ACTIVE SITE GORGE OF           
REMARK   1  TITL 2 ACETYLCHOLINESTERASE: SYNERGISTIC USE OF MOLECULAR DYNAMICS  
REMARK   1  TITL 3 SIMULATION AND X-RAY CRYSTALLOGRAPHY                         
REMARK   1  REF    PROTEIN SCI.                  V.   3   188 1994              
REMARK   1  REFN                   ISSN 0961-8368                               
REMARK   1  PMID   8003956                                                      
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   M.HAREL,I.SCHALK,L.EHRET-SABATIER,F.BOUET,M.GOELDNER,        
REMARK   1  AUTH 2 C.HIRTH,P.H.AXELSEN,I.SILMAN,J.L.SUSSMAN                     
REMARK   1  TITL   QUATERNARY LIGAND BINDING TO AROMATIC RESIDUES IN THE        
REMARK   1  TITL 2 ACTIVE-SITE GORGE OF ACETYLCHOLINESTERASE                    
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  90  9031 1993              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   1  PMID   8415649                                                      
REMARK   1  DOI    10.1073/PNAS.90.19.9031                                      
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   J.L.SUSSMAN,M.HAREL,F.FROLOW,C.OEFNER,A.GOLDMAN,L.TOKER,     
REMARK   1  AUTH 2 I.SILMAN                                                     
REMARK   1  TITL   ATOMIC STRUCTURE OF ACETYLCHOLINESTERASE FROM TORPEDO        
REMARK   1  TITL 2 CALIFORNICA: A PROTOTYPIC ACETYLCHOLINE-BINDING PROTEIN      
REMARK   1  REF    SCIENCE                       V. 253   872 1991              
REMARK   1  REFN                   ISSN 0036-8075                               
REMARK   1  PMID   1678899                                                      
REMARK   1  DOI    10.1126/SCIENCE.1678899                                      
REMARK   1 REFERENCE 5                                                          
REMARK   1  AUTH   J.L.SUSSMAN,M.HAREL,F.FROLOW,L.VARON,L.TOKER,A.H.FUTERMAN,   
REMARK   1  AUTH 2 I.SILMAN                                                     
REMARK   1  TITL   PURIFICATION AND CRYSTALLIZATION OF A DIMERIC FORM OF        
REMARK   1  TITL 2 ACETYLCHOLINESTERASE FROM TORPEDO CALIFORNICA SUBSEQUENT TO  
REMARK   1  TITL 3 SOLUBILIZATION WITH PHOSPHATIDYLINOSITOL-SPECIFIC            
REMARK   1  TITL 4 PHOSPHOLIPASE C                                              
REMARK   1  REF    J.MOL.BIOL.                   V. 203   821 1988              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  PMID   2850366                                                      
REMARK   1  DOI    10.1016/0022-2836(88)90213-6                                 
REMARK   1 REFERENCE 6                                                          
REMARK   1  AUTH   M.SCHUMACHER,S.CAMP,Y.MAULET,M.NEWTON,K.MACPHEE-QUIGLEY,     
REMARK   1  AUTH 2 S.S.TAYLOR,T.FRIEDMANN,P.TAYLOR                              
REMARK   1  TITL   PRIMARY STRUCTURE OF TORPEDO CALIFORNICA                     
REMARK   1  TITL 2 ACETYLCHOLINESTERASE DEDUCED FROM ITS CDNA SEQUENCE          
REMARK   1  REF    NATURE                        V. 319   407 1986              
REMARK   1  REFN                   ISSN 0028-0836                               
REMARK   1  PMID   3753747                                                      
REMARK   1  DOI    10.1038/319407A0                                             
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 27.34                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1738173.080                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 93.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 86179                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.185                           
REMARK   3   FREE R VALUE                     : 0.205                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 4317                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.003                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.91                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 77.90                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 11185                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2890                       
REMARK   3   BIN FREE R VALUE                    : 0.2920                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.10                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 597                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.012                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4218                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 28                                      
REMARK   3   SOLVENT ATOMS            : 739                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 33.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 24.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 6.58000                                              
REMARK   3    B22 (A**2) : 6.58000                                              
REMARK   3    B33 (A**2) : -13.17000                                            
REMARK   3    B12 (A**2) : 2.62000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.25                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.27                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 8.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.33                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.22                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.016                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.900                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.90                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.800                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.410 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.260 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.090 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.120 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.37                                                 
REMARK   3   BSOL        : 82.85                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : CARBOHYDRATE.PARAM                             
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : CARBOHYDRATE.TOP                               
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: SEVERAL RESIDUES ARE NOT SEEN IN THE      
REMARK   3  CRYSTAL STRUCTURE, DUE TO DISORDER. THESE INCLUDE THREE N-          
REMARK   3  TERMINAL RESIDUES (ASP 1, ASP 2, HIS 3), AND THE C-TERMINAL         
REMARK   3  RESIDUES AFTER THR 535. THERE ARE 2 ALTERNATE CONFORMATIONS         
REMARK   3  OBSERVED FOR RESIDUES: 9, 16, 19, 24, 46, 49, 55, 65, 221, 228,     
REMARK   3  260, 344, 353, 408, 430, 455, 468, 478, 508, 526.                   
REMARK   4                                                                      
REMARK   4 1EA5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 06-NOV-00.                  
REMARK 100 THE DEPOSITION ID IS D_1290005523.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUN-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 155.0                              
REMARK 200  PH                             : 5.80                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-4                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9312                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC CCD                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 86444                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.9                               
REMARK 200  DATA REDUNDANCY                : 1.900                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 16.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.86                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 68.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.90                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.25100                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 2ACE                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 68.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.80                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 35% PEG    
REMARK 280  200, 100 MM MES, PH 5.8, AT 4 DEG., PH 5.80, TEMPERATURE 277K       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       45.86233            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       91.72467            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       91.72467            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       45.86233            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE ENZYME IS A GPI-ANCHORED DIMER, THE                      
REMARK 300  TWO MONOMERS IN THE DIMER ARE RELATED BY                            
REMARK 300  CRYSTALLOGRAPHIC TWO-FOLD SYMMETRY.                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2540 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 39100 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -4.9 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      137.58700            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A2048  LIES ON A SPECIAL POSITION.                          
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 HYDROLYZES CHOLINE RELEASED INTO THE SYNAPSE.                        
REMARK 400  CATALYTIC ACTIVITY: ACETYLCHOLINE + H(2)O = CHOLINE + ACETATE.      
REMARK 400  INHIBITORS OF THE ENZYME ACETYLCHOLINESTERASE (ACHE) SLOW AND       
REMARK 400  SOMETIMES REVERSE THE COGNITIVE DECLINE EXPERIENCED BY INDIVIDUALS  
REMARK 400  WITH ALZHEIMER'S DISEASE.                                           
REMARK 400  TORPEDO CALIFONICA ACETYLCHOLINESTERASE IS A G2 DIMER IN            
REMARK 400  SOLUTION (SEE SUSSMAN 1988). THE ASYMMETRIC UNIT CONTAINS A         
REMARK 400  MONOMER, WITH THE CRYSTALLOGRAPHIC TWO-FOLD AXIS RELATING           
REMARK 400  THE TWO MONOMERS IN A DIMER.                                        
REMARK 400  THIS IS THE HIGHEST RESOLUTION ACETYLCHLINESTERASE                  
REMARK 400  DETERMINED SO FAR.                                                  
REMARK 400  THERE IS RECENT EVIDENCE (SEE BUCHT 1996) THAT THE GPI              
REMARK 400  ANCHOR IS ATTACHED TO EITHER SER 543 OR SER 544, NOT TO CYS         
REMARK 400  537.                                                                
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     ASP A     1                                                      
REMARK 465     ASP A     2                                                      
REMARK 465     HIS A     3                                                      
REMARK 465     ALA A   536                                                      
REMARK 465     CYS A   537                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A  14    CE   NZ                                             
REMARK 470     ASN A  42    CG   OD1  ND2                                       
REMARK 470     GLU A  89    CD   OE1  OE2                                       
REMARK 470     LYS A 270    CE   NZ                                             
REMARK 470     GLU A 299    CD   OE1  OE2                                       
REMARK 470     GLU A 434    OE1  OE2                                            
REMARK 470     LYS A 454    CD   CE   NZ                                        
REMARK 470     GLU A 489    CD   OE1  OE2                                       
REMARK 470     SER A 490    OG                                                  
REMARK 470     LYS A 491    CE   NZ                                             
REMARK 470     LYS A 530    CE   NZ                                             
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A  2007     O    HOH A  2008              2.15            
REMARK 500   NH1  ARG A   221     OE1  GLN A   318              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   CG2  THR A   535     CG2  THR A   535     4556     2.13            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    MET A  16   CG    MET A  16   SD     -0.166                       
REMARK 500    ARG A  19   CG    ARG A  19   CD     -0.289                       
REMARK 500    ARG A  46   CD    ARG A  46   NE      0.206                       
REMARK 500    GLN A 526   CD    GLN A 526   OE1     0.187                       
REMARK 500    GLN A 526   CD    GLN A 526   OE1     0.217                       
REMARK 500    GLN A 526   CD    GLN A 526   NE2    -0.150                       
REMARK 500    GLN A 526   CD    GLN A 526   NE2    -0.196                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A  19   CB  -  CG  -  CD  ANGL. DEV. =  23.8 DEGREES          
REMARK 500    ARG A  46   CG  -  CD  -  NE  ANGL. DEV. = -18.4 DEGREES          
REMARK 500    PRO A 283   CA  -  N   -  CD  ANGL. DEV. = -13.2 DEGREES          
REMARK 500    GLU A 344   CG  -  CD  -  OE2 ANGL. DEV. = -12.6 DEGREES          
REMARK 500    GLN A 526   CG  -  CD  -  OE1 ANGL. DEV. = -14.5 DEGREES          
REMARK 500    GLN A 526   CG  -  CD  -  OE1 ANGL. DEV. = -16.3 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    VAL A  22      116.85   -160.04                                   
REMARK 500    PHE A  45      -13.71     81.66                                   
REMARK 500    ALA A  60       48.18   -109.04                                   
REMARK 500    SER A 108       78.14   -158.01                                   
REMARK 500    SER A 200     -115.74     54.52                                   
REMARK 500    GLU A 299      -74.47   -121.82                                   
REMARK 500    THR A 317     -159.19   -157.09                                   
REMARK 500    ASP A 380       57.47   -156.61                                   
REMARK 500    VAL A 400      -63.35   -126.73                                   
REMARK 500    HIS A 486       36.80     70.96                                   
REMARK 500    ARG A 517       45.58     37.71                                   
REMARK 500    GLN A 526      -54.62   -120.44                                   
REMARK 500    GLN A 526      -55.42   -120.17                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    GLN A 526         0.10    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2017        DISTANCE =  6.13 ANGSTROMS                       
REMARK 525    HOH A2022        DISTANCE =  6.89 ANGSTROMS                       
REMARK 525    HOH A2025        DISTANCE =  7.40 ANGSTROMS                       
REMARK 525    HOH A2032        DISTANCE =  6.01 ANGSTROMS                       
REMARK 525    HOH A2040        DISTANCE =  9.19 ANGSTROMS                       
REMARK 525    HOH A2041        DISTANCE = 11.53 ANGSTROMS                       
REMARK 525    HOH A2054        DISTANCE =  5.97 ANGSTROMS                       
REMARK 525    HOH A2056        DISTANCE =  5.81 ANGSTROMS                       
REMARK 525    HOH A2057        DISTANCE =  5.83 ANGSTROMS                       
REMARK 525    HOH A2058        DISTANCE =  6.56 ANGSTROMS                       
REMARK 525    HOH A2059        DISTANCE =  7.11 ANGSTROMS                       
REMARK 525    HOH A2083        DISTANCE =  6.82 ANGSTROMS                       
REMARK 525    HOH A2085        DISTANCE =  7.03 ANGSTROMS                       
REMARK 525    HOH A2108        DISTANCE =  6.95 ANGSTROMS                       
REMARK 525    HOH A2110        DISTANCE =  7.17 ANGSTROMS                       
REMARK 525    HOH A2120        DISTANCE =  5.89 ANGSTROMS                       
REMARK 525    HOH A2121        DISTANCE =  6.88 ANGSTROMS                       
REMARK 525    HOH A2157        DISTANCE =  5.97 ANGSTROMS                       
REMARK 525    HOH A2307        DISTANCE =  6.08 ANGSTROMS                       
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1AMN   RELATED DB: PDB                                   
REMARK 900 TRANSITION STATE ANALOG: ACETYLCHOLINESTERASE COMPLEXED WITH M-(N,N, 
REMARK 900 N-TRIMETHYLAMMONIO)TRIFLUOROACETOPHENONE                             
REMARK 900 RELATED ID: 1AX9   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE COMPLEXED WITH EDROPHONIUM, LAUE DATA           
REMARK 900 RELATED ID: 1CFJ   RELATED DB: PDB                                   
REMARK 900 METHYLPHOSPHONYLATED ACETYLCHOLINESTERASE (AGED) OBTAINED BY         
REMARK 900 REACTION WITH O-ISOPROPYLMETHYLPHOSPHONOFLUORIDATE (GB, SARIN)       
REMARK 900 RELATED ID: 1DX6   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF ACETYLCHOLINESTERASE COMPLEXED WITH (-)-GALANTHAMINE    
REMARK 900 AT 2.3A RESOLUTION                                                   
REMARK 900 RELATED ID: 1E3Q   RELATED DB: PDB                                   
REMARK 900 TORPEDO CALIFORNICA ACETYLCHOLINESTERASE COMPLEXED WITH BW284C51     
REMARK 900 RELATED ID: 1E66   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF ACETYLCHOLINESTERASE COMPLEXED WITH (-)-HUPRINE X AT    
REMARK 900 2.1A RESOLUTION                                                      
REMARK 900 RELATED ID: 1EEA   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE                                                 
REMARK 900 RELATED ID: 1EVE   RELATED DB: PDB                                   
REMARK 900 THREE DIMENSIONAL STRUCTURE OF THE ANTI-ALZHEIMER DRUG, E2020        
REMARK 900 (ARICEPT), COMPLEXED WITH ITS TARGET ACETYLCHOLINESTERASE            
REMARK 900 RELATED ID: 1FSS   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE COMPLEXED WITH FASCICULIN-II                    
REMARK 900 RELATED ID: 1OCE   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE COMPLEXED WITH MF268                            
REMARK 900 RELATED ID: 1QID   RELATED DB: PDB                                   
REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT NINE TIME POINTS (POINT   
REMARK 900 A) CAUSED BY INTENSE SYNCHROTRON RADIATION TO TORPEDO CALIFORNICA    
REMARK 900 ACETYLCHOLINESTERASE                                                 
REMARK 900 RELATED ID: 1QIE   RELATED DB: PDB                                   
REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT NINE TIME POINTS (POINT   
REMARK 900 B) CAUSED BY INTENSE SYNCHROTRON RADIATION TO TORPEDO CALIFORNICA    
REMARK 900 ACETYLCHOLINESTERASE                                                 
REMARK 900 RELATED ID: 1QIF   RELATED DB: PDB                                   
REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT NINE TIME POINTS (POINT   
REMARK 900 C) CAUSED BY INTENSE SYNCHROTRON RADIATION TO TORPEDO CALIFORNICA    
REMARK 900 ACETYLCHOLINESTERASE                                                 
REMARK 900 RELATED ID: 1QIG   RELATED DB: PDB                                   
REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT NINE TIME POINTS (POINT   
REMARK 900 D) CAUSED BY INTENSE SYNCHROTRON RADIATION TO TORPEDO CALIFORNICA    
REMARK 900 ACETYLCHOLINESTERASE                                                 
REMARK 900 RELATED ID: 1QIH   RELATED DB: PDB                                   
REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT NINE TIME POINTS (POINT   
REMARK 900 E) CAUSED BY INTENSE SYNCHROTRON RADIATION TO TORPEDO CALIFORNICA    
REMARK 900 ACETYLCHOLINESTERASE                                                 
REMARK 900 RELATED ID: 1QII   RELATED DB: PDB                                   
REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT NINE TIME POINTS (POINT   
REMARK 900 F) CAUSED BY INTENSE SYNCHROTRON RADIATION TO TORPEDO CALIFORNICA    
REMARK 900 ACETYLCHOLINESTERASE                                                 
REMARK 900 RELATED ID: 1QIJ   RELATED DB: PDB                                   
REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT NINE TIME POINTS (POINT   
REMARK 900 G) CAUSED BY INTENSE SYNCHROTRON RADIATION TO TORPEDO CALIFORNICA    
REMARK 900 ACETYLCHOLINESTERASE                                                 
REMARK 900 RELATED ID: 1QIK   RELATED DB: PDB                                   
REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT NINE TIME POINTS (POINT   
REMARK 900 H) CAUSED BY INTENSE SYNCHROTRON RADIATION TO TORPEDO CALIFORNICA    
REMARK 900 ACETYLCHOLINESTERASE                                                 
REMARK 900 RELATED ID: 1QIM   RELATED DB: PDB                                   
REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT NINE TIME POINTS (POINT   
REMARK 900 I) CAUSED BY INTENSE SYNCHROTRON RADIATION TO TORPEDO CALIFORNICA    
REMARK 900 ACETYLCHOLINESTERASE                                                 
REMARK 900 RELATED ID: 1QTI   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE                                                 
REMARK 900 RELATED ID: 1SOM   RELATED DB: PDB                                   
REMARK 900 TORPEDO CALIFORNICA ACETYLCHOLINESTERASE INHIBITED BY NERVE AGENT    
REMARK 900 GD (SOMAN).                                                          
REMARK 900 RELATED ID: 1VOT   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE COMPLEXED WITH HUPERZINE A                      
REMARK 900 RELATED ID: 1VXO   RELATED DB: PDB                                   
REMARK 900 METHYLPHOSPHONYLATED ACETYLCHOLINESTERASE (AGED) OBTAINED BY         
REMARK 900 REACTION WITH O-ETHYL-S-[2-[BIS(1-METHYLETHYL) AMINO]ETHYL]          
REMARK 900 METHYLPHOSPHONOTHIOATE (VX)                                          
REMARK 900 RELATED ID: 1VXR   RELATED DB: PDB                                   
REMARK 900 O-ETHYLMETHYLPHOSPHONYLATED ACETYLCHOLINESTERASE OBTAINED BY         
REMARK 900 REACTION WITH O-ETHYL-S-[2-[BIS(1-METHYLETHYL) AMINO]ETHYL]          
REMARK 900 METHYLPHOSPHONOTHIOATE (VX)                                          
REMARK 900 RELATED ID: 2ACE   RELATED DB: PDB                                   
REMARK 900 NATIVE ACETYLCHOLINESTERASE FROM TORPEDO CALIFORNICA                 
REMARK 900 RELATED ID: 2ACK   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE COMPLEXED WITH EDROPHONIUM, MONOCHROMATIC DATA  
REMARK 900 RELATED ID: 2DFP   RELATED DB: PDB                                   
REMARK 900 X-RAY STRUCTURE OF AGED DI-ISOPROPYL-PHOSPHORO-FLUORIDATE (DFP)      
REMARK 900 BOUND TO ACETYLCHOLINESTERASE                                        
REMARK 900 RELATED ID: 3ACE   RELATED DB: PDB                                   
REMARK 900 THEORETICAL MODEL OF (R)-E2020 BOUND ACETYLCHOLINESTERASE COMPLEX,   
REMARK 900 3 STRUCTURES                                                         
DBREF  1EA5 A    1   537  UNP    P04058   ACES_TORCA      22    558             
SEQRES   1 A  537  ASP ASP HIS SER GLU LEU LEU VAL ASN THR LYS SER GLY          
SEQRES   2 A  537  LYS VAL MET GLY THR ARG VAL PRO VAL LEU SER SER HIS          
SEQRES   3 A  537  ILE SER ALA PHE LEU GLY ILE PRO PHE ALA GLU PRO PRO          
SEQRES   4 A  537  VAL GLY ASN MET ARG PHE ARG ARG PRO GLU PRO LYS LYS          
SEQRES   5 A  537  PRO TRP SER GLY VAL TRP ASN ALA SER THR TYR PRO ASN          
SEQRES   6 A  537  ASN CYS GLN GLN TYR VAL ASP GLU GLN PHE PRO GLY PHE          
SEQRES   7 A  537  SER GLY SER GLU MET TRP ASN PRO ASN ARG GLU MET SER          
SEQRES   8 A  537  GLU ASP CYS LEU TYR LEU ASN ILE TRP VAL PRO SER PRO          
SEQRES   9 A  537  ARG PRO LYS SER THR THR VAL MET VAL TRP ILE TYR GLY          
SEQRES  10 A  537  GLY GLY PHE TYR SER GLY SER SER THR LEU ASP VAL TYR          
SEQRES  11 A  537  ASN GLY LYS TYR LEU ALA TYR THR GLU GLU VAL VAL LEU          
SEQRES  12 A  537  VAL SER LEU SER TYR ARG VAL GLY ALA PHE GLY PHE LEU          
SEQRES  13 A  537  ALA LEU HIS GLY SER GLN GLU ALA PRO GLY ASN VAL GLY          
SEQRES  14 A  537  LEU LEU ASP GLN ARG MET ALA LEU GLN TRP VAL HIS ASP          
SEQRES  15 A  537  ASN ILE GLN PHE PHE GLY GLY ASP PRO LYS THR VAL THR          
SEQRES  16 A  537  ILE PHE GLY GLU SER ALA GLY GLY ALA SER VAL GLY MET          
SEQRES  17 A  537  HIS ILE LEU SER PRO GLY SER ARG ASP LEU PHE ARG ARG          
SEQRES  18 A  537  ALA ILE LEU GLN SER GLY SER PRO ASN CYS PRO TRP ALA          
SEQRES  19 A  537  SER VAL SER VAL ALA GLU GLY ARG ARG ARG ALA VAL GLU          
SEQRES  20 A  537  LEU GLY ARG ASN LEU ASN CYS ASN LEU ASN SER ASP GLU          
SEQRES  21 A  537  GLU LEU ILE HIS CYS LEU ARG GLU LYS LYS PRO GLN GLU          
SEQRES  22 A  537  LEU ILE ASP VAL GLU TRP ASN VAL LEU PRO PHE ASP SER          
SEQRES  23 A  537  ILE PHE ARG PHE SER PHE VAL PRO VAL ILE ASP GLY GLU          
SEQRES  24 A  537  PHE PHE PRO THR SER LEU GLU SER MET LEU ASN SER GLY          
SEQRES  25 A  537  ASN PHE LYS LYS THR GLN ILE LEU LEU GLY VAL ASN LYS          
SEQRES  26 A  537  ASP GLU GLY SER PHE PHE LEU LEU TYR GLY ALA PRO GLY          
SEQRES  27 A  537  PHE SER LYS ASP SER GLU SER LYS ILE SER ARG GLU ASP          
SEQRES  28 A  537  PHE MET SER GLY VAL LYS LEU SER VAL PRO HIS ALA ASN          
SEQRES  29 A  537  ASP LEU GLY LEU ASP ALA VAL THR LEU GLN TYR THR ASP          
SEQRES  30 A  537  TRP MET ASP ASP ASN ASN GLY ILE LYS ASN ARG ASP GLY          
SEQRES  31 A  537  LEU ASP ASP ILE VAL GLY ASP HIS ASN VAL ILE CYS PRO          
SEQRES  32 A  537  LEU MET HIS PHE VAL ASN LYS TYR THR LYS PHE GLY ASN          
SEQRES  33 A  537  GLY THR TYR LEU TYR PHE PHE ASN HIS ARG ALA SER ASN          
SEQRES  34 A  537  LEU VAL TRP PRO GLU TRP MET GLY VAL ILE HIS GLY TYR          
SEQRES  35 A  537  GLU ILE GLU PHE VAL PHE GLY LEU PRO LEU VAL LYS GLU          
SEQRES  36 A  537  LEU ASN TYR THR ALA GLU GLU GLU ALA LEU SER ARG ARG          
SEQRES  37 A  537  ILE MET HIS TYR TRP ALA THR PHE ALA LYS THR GLY ASN          
SEQRES  38 A  537  PRO ASN GLU PRO HIS SER GLN GLU SER LYS TRP PRO LEU          
SEQRES  39 A  537  PHE THR THR LYS GLU GLN LYS PHE ILE ASP LEU ASN THR          
SEQRES  40 A  537  GLU PRO MET LYS VAL HIS GLN ARG LEU ARG VAL GLN MET          
SEQRES  41 A  537  CYS VAL PHE TRP ASN GLN PHE LEU PRO LYS LEU LEU ASN          
SEQRES  42 A  537  ALA THR ALA CYS                                              
MODRES 1EA5 ASN A   59  ASN  GLYCOSYLATION SITE                                 
MODRES 1EA5 ASN A  416  ASN  GLYCOSYLATION SITE                                 
HET    NAG  A 598      14                                                       
HET    NAG  A 599      14                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
FORMUL   2  NAG    2(C8 H15 N O6)                                               
FORMUL   4  HOH   *739(H2 O)                                                    
HELIX    1   1 VAL A   40  ARG A   44  5                                   5    
HELIX    2   2 PHE A   78  MET A   83  1                                   6    
HELIX    3   3 LEU A  127  ASN A  131  5                                   5    
HELIX    4   4 GLY A  132  GLU A  140  1                                   9    
HELIX    5   5 VAL A  150  LEU A  156  1                                   7    
HELIX    6   6 ASN A  167  ILE A  184  1                                  18    
HELIX    7   7 GLN A  185  PHE A  187  5                                   3    
HELIX    8   8 SER A  200  SER A  212  1                                  13    
HELIX    9   9 SER A  212  ASP A  217  1                                   6    
HELIX   10  10 SER A  237  LEU A  252  1                                  16    
HELIX   11  11 SER A  258  LYS A  269  1                                  12    
HELIX   12  12 LYS A  270  GLU A  278  1                                   9    
HELIX   13  13 TRP A  279  LEU A  282  5                                   4    
HELIX   14  14 SER A  304  GLY A  312  1                                   9    
HELIX   15  15 GLY A  328  ALA A  336  1                                   9    
HELIX   16  16 SER A  348  VAL A  360  1                                  13    
HELIX   17  17 ASN A  364  TYR A  375  1                                  12    
HELIX   18  18 ASN A  383  VAL A  400  1                                  18    
HELIX   19  19 VAL A  400  LYS A  413  1                                  14    
HELIX   20  20 PRO A  433  GLY A  437  5                                   5    
HELIX   21  21 GLU A  443  PHE A  448  1                                   6    
HELIX   22  22 GLY A  449  VAL A  453  5                                   5    
HELIX   23  23 VAL A  453  ASN A  457  5                                   5    
HELIX   24  24 THR A  459  GLY A  480  1                                  22    
HELIX   25  25 ARG A  517  GLN A  526  1                                  10    
HELIX   26  26 GLN A  526  THR A  535  1                                  10    
SHEET    1  AA 3 LEU A   7  THR A  10  0                                        
SHEET    2  AA 3 GLY A  13  MET A  16 -1  O  GLY A  13   N  THR A  10           
SHEET    3  AA 3 VAL A  57  ASN A  59  1  O  TRP A  58   N  MET A  16           
SHEET    1  AB11 THR A  18  VAL A  22  0                                        
SHEET    2  AB11 SER A  25  PRO A  34 -1  O  SER A  25   N  VAL A  22           
SHEET    3  AB11 TYR A  96  VAL A 101 -1  O  LEU A  97   N  ILE A  33           
SHEET    4  AB11 VAL A 142  SER A 145 -1  O  LEU A 143   N  TRP A 100           
SHEET    5  AB11 THR A 109  ILE A 115  1  O  THR A 110   N  VAL A 142           
SHEET    6  AB11 GLY A 189  GLU A 199  1  N  ASP A 190   O  THR A 109           
SHEET    7  AB11 ARG A 221  GLN A 225  1  O  ARG A 221   N  ILE A 196           
SHEET    8  AB11 ILE A 319  ASN A 324  1  O  LEU A 320   N  LEU A 224           
SHEET    9  AB11 THR A 418  PHE A 423  1  O  TYR A 419   N  LEU A 321           
SHEET   10  AB11 LYS A 501  LEU A 505  1  O  ILE A 503   N  PHE A 422           
SHEET   11  AB11 VAL A 512  GLN A 514 -1  O  HIS A 513   N  PHE A 502           
SSBOND   1 CYS A   67    CYS A   94                          1555   1555  2.04  
SSBOND   2 CYS A  254    CYS A  265                          1555   1555  2.03  
SSBOND   3 CYS A  402    CYS A  521                          1555   1555  2.05  
LINK         ND2 ASN A  59                 C1  NAG A 599     1555   1555  1.45  
LINK         ND2 ASN A 416                 C1  NAG A 598     1555   1555  1.45  
CISPEP   1 SER A  103    PRO A  104          0         2.02                     
CRYST1  111.573  111.573  137.587  90.00  90.00 120.00 P 31 2 1      6          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.008963  0.005175  0.000000        0.00000                         
SCALE2      0.000000  0.010349  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007268        0.00000