PDB Short entry for 1H23
HEADER    HYDROLASE                               30-JUL-02   1H23              
TITLE     STRUCTURE OF ACETYLCHOLINESTERASE (E.C. 3.1.1.7) COMPLEXED WITH (S,S)-
TITLE    2 (-)-BIS(12)-HUPYRIDONE AT 2.15A RESOLUTION                           
CAVEAT     1H23    NAG A 1537 HAS WRONG CHIRALITY AT ATOM C1                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ACETYLCHOLINESTERASE;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: ACHE;                                                       
COMPND   5 EC: 3.1.1.7;                                                         
COMPND   6 OTHER_DETAILS: INTER-MONOMER DISULFIDE BRIDGE                        
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;                                               
SOURCE   8 OTHER_DETAILS: SYNTHETIC BIVALENT HUPA-LIKE DIMER, (S, S)-(-)-       
SOURCE   9 BIS(12)-HUPYRIDONE ((S, S)-(-)-N, N'-DI-5'- -[5', 6', 7', 8'-        
SOURCE  10 TETRAHYDRO-2'(1'H)-QUINOLINONYL] 1, 12-DIAMINODODECANE)              
SOURCE  11 DIHYDROCHLORIDE, WITH ONE MONOMER UNIT BOUND TO THE 'ANIONIC'        
SOURCE  12 SUBSITE, NEAR THE BOTTOM OF THE ACTIVE SITE GORGE, AND THE SECOND    
SOURCE  13 MONOMER UNIT BOUND TO THE 'PERIPHERAL' ANIONIC SITE AT THE TOP OF    
SOURCE  14 THE GORGE, THUS SPANNING THE ACTIVE SITE GORGE.                      
KEYWDS    SERINE HYDROLASE, ACETYLCHOLINESTERASE, NEUROTRANSMITTER CLEAVAGE,    
KEYWDS   2 ALZHEIMER'S DISEASE, BIVALENT LIGAND, DUAL-SITE BINDING, INHIBITOR,  
KEYWDS   3 HUPERZINE A, HYDROLASE, SERINE ESTERASE SYNAPSE, MEMBRANE, NERVE,    
KEYWDS   4 MUSCLE, GPI-ANCHOR NEUROTRANSMITTER DEGRADATION, GLYCOPROTEIN,       
KEYWDS   5 BIS(12)-HUPYRID                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.M.WONG,H.M.GREENBLATT,P.R.CARLIER,Y.F.HAN,Y.P.PANG,I.SILMAN,        
AUTHOR   2 J.L.SUSSMAN                                                          
REVDAT   7   29-JUL-20 1H23    1       CAVEAT COMPND REMARK HETNAM              
REVDAT   7 2                   1       LINK   SITE                              
REVDAT   6   03-APR-19 1H23    1       JRNL   REMARK LINK                       
REVDAT   5   22-JAN-14 1H23    1       REMARK                                   
REVDAT   4   31-AUG-11 1H23    1       CAVEAT REMARK HET    HETNAM              
REVDAT   4 2                   1       FORMUL HETSYN LINK   SITE                
REVDAT   4 3                   1       HETATM VERSN                             
REVDAT   3   24-FEB-09 1H23    1       VERSN                                    
REVDAT   2   16-JAN-03 1H23    1       JRNL                                     
REVDAT   1   23-DEC-02 1H23    0                                                
JRNL        AUTH   D.M.WONG,H.M.GREENBLATT,H.DVIR,P.R.CARLIER,Y.F.HAN,Y.P.PANG, 
JRNL        AUTH 2 I.SILMAN,J.L.SUSSMAN                                         
JRNL        TITL   ACETYLCHOLINESTERASE COMPLEXED WITH BIVALENT LIGANDS RELATED 
JRNL        TITL 2 TO HUPERZINE A: EXPERIMENTAL EVIDENCE FOR SPECIES-DEPENDENT  
JRNL        TITL 3 PROTEIN-LIGAND COMPLEMENTARITY                               
JRNL        REF    J.AM.CHEM.SOC.                V. 125   363 2003              
JRNL        REFN                   ISSN 0002-7863                               
JRNL        PMID   12517147                                                     
JRNL        DOI    10.1021/JA021111W                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   P.R.CARLIER,D.-M.DU,Y.-F.HAN,J.LIU,E.PEROLA,I.D.WILLIAMS,    
REMARK   1  AUTH 2 Y.-P.PANG                                                    
REMARK   1  TITL   DIMERIZATION OF AN INACTIVE FRAGMENT OF HUPERZINE A PRODUCES 
REMARK   1  TITL 2 A DRUG WITH TWICE THE POTENCY OF THE NATURAL PRODUCT         
REMARK   1  REF    ANGEW.CHEM.INT.ED.ENGL.       V.  39  1775 2000              
REMARK   1  REFN                   ISSN 1433-7851                               
REMARK   1  PMID   10934357                                                     
REMARK   1  DOI    10.1002/(SICI)1521-3773(20000515)39:10<1775::AID-ANIE1775>3. 
REMARK   1  DOI  2 0.CO;2-Q                                                     
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   M.L.RAVES,M.HAREL,Y.-P.PANG,I.SILMAN,A.P.KOZIKOWSKI,         
REMARK   1  AUTH 2 J.L.SUSSMAN                                                  
REMARK   1  TITL   STRUCTURE OF ACETYLCHOLINESTERASE COMPLEXED WITH THE         
REMARK   1  TITL 2 NOOTROPIC ALKALOID, (-)-HUPERZINE A                          
REMARK   1  REF    NAT.STRUCT.BIOL.              V.   4    57 1997              
REMARK   1  REFN                   ISSN 1072-8368                               
REMARK   1  PMID   8989325                                                      
REMARK   1  DOI    10.1038/NSB0197-57                                           
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   Y.-P.PANG,A.P.KOZIKOWSKI                                     
REMARK   1  TITL   PREDICTION OF THE BINDING SITES OF HUPERZINE A IN            
REMARK   1  TITL 2 ACETYLCHOLINESTERASE BY DOCKING STUDIES                      
REMARK   1  REF    J. COMPUT. AIDED MOL. DES.    V.   8   669 1994              
REMARK   1  REFN                   ISSN 0920-654X                               
REMARK   1  PMID   7738603                                                      
REMARK   1  DOI    10.1007/BF00124014                                           
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   2                                                                      
REMARK   2 RESOLUTION.    2.15 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) : 2.15                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.30                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 10000.000                      
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 53657                          
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) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.215                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2677                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.004                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.15                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.25                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.26                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 6304                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2691                       
REMARK   3   BIN FREE R VALUE                    : 0.3130                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.90                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 322                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.017                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4184                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 64                                      
REMARK   3   SOLVENT ATOMS            : 269                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 34.75                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -7.19700                                             
REMARK   3    B22 (A**2) : -7.19700                                             
REMARK   3    B33 (A**2) : 14.39400                                             
REMARK   3    B12 (A**2) : -0.94900                                             
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) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.020                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.942                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.232 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.854 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.107 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.052 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.35                                                 
REMARK   3   BSOL        : 34.70                                                
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  : E12.PAR                                        
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : CARBOHYDRATE.PARAM                             
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : E12-1.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : CARBOHYDRATE.TOP                               
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: SEVERAL RESIDUES ARE NOT SEEN IN THE      
REMARK   3  CRYSTAL STRUCTURE, DUE TO DISORDER. THESE INCLUDE ASP 1, ASP 2,     
REMARK   3  HIS 3 AND THE C-TERMINAL RESIDUES AFTER THR 535. SEVERAL            
REMARK   3  RESIDUES MISSING IN CHAIN BREAK, FROM HIS 486 - GLU 489             
REMARK   3  (INCLUSIVE).                                                        
REMARK   4                                                                      
REMARK   4 1H23 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 30-JUL-02.                  
REMARK 100 THE DEPOSITION ID IS D_1290011179.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-SEP-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 120.0                              
REMARK 200  PH                             : 5.80                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RUH3R                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : OSMIC BLUE CONFOCAL MIRRORS        
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU IMAGE PLATE                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 54602                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.150                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 29.300                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 0.380                              
REMARK 200  R MERGE                    (I) : 0.06600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.23                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 9.79                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.39600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
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   (%): 69.65                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.11                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLISED FROM 28-30%     
REMARK 280  V/V PEG 200 0.5M MES PH 5.8 AT 4 DEG. CELSIUS; THEN SOAKED IN IN    
REMARK 280  MOTHER LIQUOR (40% V/V PEG 200 IN 0.1 M MES BUFFER, PH 5.8)         
REMARK 280  CONTAINING 10MM (S,S)-(-)-BIS(12)-HUPYRIDONE DIHYDROCHLORIDE FOR    
REMARK 280  2 DAYS, 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       45.92500            
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       91.85000            
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       91.85000            
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       45.92500            
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 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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 COMPOUND HYDROLYZES CHOLINE RELEASED INTO THE SYNAPSE.               
REMARK 400 CATALYTIC ACTIVITY: ACETYLCHOLINE + H(2)O = CHOLINE +                
REMARK 400 ACETATE. INHIBITORS OF THE ENZYME ACETYLCHOLINESTERASE               
REMARK 400 (ACHE) IMPROVE THE COGNITIVE ABILITIES OF INDIVIDUALS WITH           
REMARK 400 EARLY STAGE ALZHEIMER'S DISEASE. (-)-HUPERZINE A                     
REMARK 400 ((-)-HUPA), A NATURAL PRODUCT USED IN TRADITIONAL CHINESE            
REMARK 400 HERBAL MEDICINE, IS AMONG THE POTENT ACHE INHIBITORS USED            
REMARK 400 IN THIS TREATMENT. THE LIGAND, (S,S)-(-)-BIS(12)-HUPYRIDONE          
REMARK 400 ((S,S)-(-)-N,N'-DI-5'-[5',6',7',8'-TETRAHYDRO-2'(1'H)-               
REMARK 400 QUINOLINONYL]-1,12-DIAMINODODECANE) DIHYDROCHLORIDE, AN              
REMARK 400 ALKYLENE LINKED DIMER OF FRAGMENTS OF THE HUPA STRUCTURE,            
REMARK 400 HUPYRIDONE (5-AMINO-5,6,7,8-TETRAHYDROQUINOLINONE), HAVE             
REMARK 400 BEEN SHOWN TO EXHIBIT POTENT INHIBITION OF ACHE. ONE                 
REMARK 400 HUPYRIDONE UNIT BINDS TO THE 'ANIONIC' SUBSITE OF THE                
REMARK 400 ACTIVE SITE, NEAR THE BOTTOM OF THE ACTIVE SITE GORGE OF             
REMARK 400 TCACHE, ADJACENT TO TRP84, AS SEEN FOR THE TCACHE/(-)-HUPA           
REMARK 400 COMPLEX, AND THE SECOND HUPYRIDONE UNIT NEAR TO TRP279 IN            
REMARK 400 THE 'PERIPHERAL' ANIONIC SITE AT THE TOP OF THE GORGE, THUS          
REMARK 400  SPANNING THE ACTIVE SITE GORGE.                                     
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     HIS A   486                                                      
REMARK 465     SER A   487                                                      
REMARK 465     GLN A   488                                                      
REMARK 465     GLU A   489                                                      
REMARK 465     ALA A   536                                                      
REMARK 465     CYS A   537                                                      
REMARK 465     ASP A   538                                                      
REMARK 465     GLY A   539                                                      
REMARK 465     GLU A   540                                                      
REMARK 465     LEU A   541                                                      
REMARK 465     SER A   542                                                      
REMARK 465     SER A   543                                                      
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     ASN A  42    ND2                                                 
REMARK 470     ARG A  46    NH2                                                 
REMARK 470     LYS A  52    CD   CE   NZ                                        
REMARK 470     GLU A 260    OE2                                                 
REMARK 470     LYS A 270    CD   CE   NZ                                        
REMARK 470     LYS A 413    CD   CE   NZ                                        
REMARK 470     LYS A 454    CG   CD   CE   NZ                                   
REMARK 470     LYS A 498    CG   CD   CE   NZ                                   
REMARK 470     ARG A 515    CZ   NH1  NH2                                       
REMARK 470     GLN A 526    CD   OE1  NE2                                       
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   NH1  ARG A    19     O    HOH A  2004              1.90            
REMARK 500   C41  E12 A  1536     O    HOH A  2070              2.05            
REMARK 500   O    HOH A  2068     O    HOH A  2113              2.12            
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   OE1  GLU A    49     OE1  GLU A   350     3564     1.90            
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 175   SD    MET A 175   CE     -0.369                       
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    VAL A  22   CB  -  CA  -  C   ANGL. DEV. = -13.3 DEGREES          
REMARK 500    ARG A 221   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    ARG A 221   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.4 DEGREES          
REMARK 500    VAL A 518   CB  -  CA  -  C   ANGL. DEV. = -13.3 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    SER A  25     -155.85   -134.32                                   
REMARK 500    PHE A  45      -11.93     84.62                                   
REMARK 500    ALA A  60       52.24   -116.48                                   
REMARK 500    CYS A  94       10.07   -141.89                                   
REMARK 500    SER A 108       82.06   -159.13                                   
REMARK 500    LEU A 158       76.37   -119.33                                   
REMARK 500    SER A 200     -122.06     54.28                                   
REMARK 500    GLU A 299      -70.61   -124.44                                   
REMARK 500    THR A 317     -160.38   -160.52                                   
REMARK 500    ASP A 380       52.49   -157.67                                   
REMARK 500    VAL A 400      -61.38   -127.45                                   
REMARK 500    ASN A 457       38.31     74.96                                   
REMARK 500    ASN A 506     -165.86   -162.25                                   
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    TYR A 442         0.07    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1ACJ   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE COMPLEXED WITH TACRINE                          
REMARK 900 RELATED ID: 1ACL   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE COMPLEXED WITH DECAMETHONIUM                    
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: 1EA5   RELATED DB: PDB                                   
REMARK 900 NATIVE ACETYLCHOLINESTERASE (E.C. 3.1.1.7 ) FROM TORPEDO             
REMARK 900 CALIFORNICA AT 1.8A 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: 1GPK   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF ACETYLCHOLINESTERASE COMPLEXE WITH (+)-HUPERZINE A AT   
REMARK 900 2.1A RESOLUTION                                                      
REMARK 900 RELATED ID: 1GPN   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF ACETYLCHOLINESTERASE COMPLEXED WITH HUPERZINE B AT      
REMARK 900 2.35A RESOLUTION                                                     
REMARK 900 RELATED ID: 1GQR   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE (E.C. 3.1.1.7) COMPLEXED WITH RIVASTIGMINE      
REMARK 900 RELATED ID: 1GQS   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE (E.C. 3.1.1.7) COMPLEXED WITH NAP               
REMARK 900 RELATED ID: 1HBJ   RELATED DB: PDB                                   
REMARK 900 X-RAY CRYSTAL STRUCTURE OF COMPLEX BETWEEN TORPEDO CALIFORNICA ACHE  
REMARK 900 AND A REVERSIBLE INHIBITOR, 4-AMINO-5-FLUORO-2-METHYL-3-( 3-         
REMARK 900 TRIFLUOROACETYLBENZYLTHIOMETHYL)QUINOLINE                            
REMARK 900 RELATED ID: 1H22   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF ACETYLCHOLINESTERASE (E.C. 3.1.1.7) COMPLEXED WITH (S,  
REMARK 900 S)-(-)-BIS(10)-HUPYRIDONE AT 2.15A RESOLUTION                        
REMARK 900 RELATED ID: 1JJB   RELATED DB: PDB                                   
REMARK 900 A NEUTRAL MOLECULE IN CATION-BINDING SITE: SPECIFIC BINDINGOF PEG-   
REMARK 900 SH TO ACETYLCHOLINESTERASE FROM TORPEDO CALIFORNICA                  
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                                                         
REMARK 900 RELATED ID: 4ACE   RELATED DB: PDB                                   
REMARK 900 THEORETICAL MODEL OF (S)-E2020 BOUND ACETYLCHOLINESTERASE COMPLEX,   
REMARK 900 3 STRUCTURE                                                          
DBREF  1H23 A    1   543  UNP    P04058   ACES_TORCA      22    564             
SEQRES   1 A  543  ASP ASP HIS SER GLU LEU LEU VAL ASN THR LYS SER GLY          
SEQRES   2 A  543  LYS VAL MET GLY THR ARG VAL PRO VAL LEU SER SER HIS          
SEQRES   3 A  543  ILE SER ALA PHE LEU GLY ILE PRO PHE ALA GLU PRO PRO          
SEQRES   4 A  543  VAL GLY ASN MET ARG PHE ARG ARG PRO GLU PRO LYS LYS          
SEQRES   5 A  543  PRO TRP SER GLY VAL TRP ASN ALA SER THR TYR PRO ASN          
SEQRES   6 A  543  ASN CYS GLN GLN TYR VAL ASP GLU GLN PHE PRO GLY PHE          
SEQRES   7 A  543  SER GLY SER GLU MET TRP ASN PRO ASN ARG GLU MET SER          
SEQRES   8 A  543  GLU ASP CYS LEU TYR LEU ASN ILE TRP VAL PRO SER PRO          
SEQRES   9 A  543  ARG PRO LYS SER THR THR VAL MET VAL TRP ILE TYR GLY          
SEQRES  10 A  543  GLY GLY PHE TYR SER GLY SER SER THR LEU ASP VAL TYR          
SEQRES  11 A  543  ASN GLY LYS TYR LEU ALA TYR THR GLU GLU VAL VAL LEU          
SEQRES  12 A  543  VAL SER LEU SER TYR ARG VAL GLY ALA PHE GLY PHE LEU          
SEQRES  13 A  543  ALA LEU HIS GLY SER GLN GLU ALA PRO GLY ASN VAL GLY          
SEQRES  14 A  543  LEU LEU ASP GLN ARG MET ALA LEU GLN TRP VAL HIS ASP          
SEQRES  15 A  543  ASN ILE GLN PHE PHE GLY GLY ASP PRO LYS THR VAL THR          
SEQRES  16 A  543  ILE PHE GLY GLU SER ALA GLY GLY ALA SER VAL GLY MET          
SEQRES  17 A  543  HIS ILE LEU SER PRO GLY SER ARG ASP LEU PHE ARG ARG          
SEQRES  18 A  543  ALA ILE LEU GLN SER GLY SER PRO ASN CYS PRO TRP ALA          
SEQRES  19 A  543  SER VAL SER VAL ALA GLU GLY ARG ARG ARG ALA VAL GLU          
SEQRES  20 A  543  LEU GLY ARG ASN LEU ASN CYS ASN LEU ASN SER ASP GLU          
SEQRES  21 A  543  GLU LEU ILE HIS CYS LEU ARG GLU LYS LYS PRO GLN GLU          
SEQRES  22 A  543  LEU ILE ASP VAL GLU TRP ASN VAL LEU PRO PHE ASP SER          
SEQRES  23 A  543  ILE PHE ARG PHE SER PHE VAL PRO VAL ILE ASP GLY GLU          
SEQRES  24 A  543  PHE PHE PRO THR SER LEU GLU SER MET LEU ASN SER GLY          
SEQRES  25 A  543  ASN PHE LYS LYS THR GLN ILE LEU LEU GLY VAL ASN LYS          
SEQRES  26 A  543  ASP GLU GLY SER PHE PHE LEU LEU TYR GLY ALA PRO GLY          
SEQRES  27 A  543  PHE SER LYS ASP SER GLU SER LYS ILE SER ARG GLU ASP          
SEQRES  28 A  543  PHE MET SER GLY VAL LYS LEU SER VAL PRO HIS ALA ASN          
SEQRES  29 A  543  ASP LEU GLY LEU ASP ALA VAL THR LEU GLN TYR THR ASP          
SEQRES  30 A  543  TRP MET ASP ASP ASN ASN GLY ILE LYS ASN ARG ASP GLY          
SEQRES  31 A  543  LEU ASP ASP ILE VAL GLY ASP HIS ASN VAL ILE CYS PRO          
SEQRES  32 A  543  LEU MET HIS PHE VAL ASN LYS TYR THR LYS PHE GLY ASN          
SEQRES  33 A  543  GLY THR TYR LEU TYR PHE PHE ASN HIS ARG ALA SER ASN          
SEQRES  34 A  543  LEU VAL TRP PRO GLU TRP MET GLY VAL ILE HIS GLY TYR          
SEQRES  35 A  543  GLU ILE GLU PHE VAL PHE GLY LEU PRO LEU VAL LYS GLU          
SEQRES  36 A  543  LEU ASN TYR THR ALA GLU GLU GLU ALA LEU SER ARG ARG          
SEQRES  37 A  543  ILE MET HIS TYR TRP ALA THR PHE ALA LYS THR GLY ASN          
SEQRES  38 A  543  PRO ASN GLU PRO HIS SER GLN GLU SER LYS TRP PRO LEU          
SEQRES  39 A  543  PHE THR THR LYS GLU GLN LYS PHE ILE ASP LEU ASN THR          
SEQRES  40 A  543  GLU PRO MET LYS VAL HIS GLN ARG LEU ARG VAL GLN MET          
SEQRES  41 A  543  CYS VAL PHE TRP ASN GLN PHE LEU PRO LYS LEU LEU ASN          
SEQRES  42 A  543  ALA THR ALA CYS ASP GLY GLU LEU SER SER                      
MODRES 1H23 ASN A   59  ASN  GLYCOSYLATION SITE                                 
MODRES 1H23 ASN A  416  ASN  GLYCOSYLATION SITE                                 
HET    E12  A1536      36                                                       
HET    NAG  A1537      14                                                       
HET    NAG  A1538      14                                                       
HETNAM     E12 (S,S)-(-)-N,N'-DI-5'-[5',6',7',8'-TETRAHYDRO- 2'(1'H)-           
HETNAM   2 E12  QUINOLYNYL]-1,12-DIAMINODODECANE DIHYDROCHLORIDE                
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
FORMUL   2  E12    C30 H46 N4 O2                                                
FORMUL   3  NAG    2(C8 H15 N O6)                                               
FORMUL   5  HOH   *269(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  215  PHE A  219  5                                   5    
HELIX   10  10 VAL A  238  LEU A  252  1                                  15    
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  THR A  376  1                                  13    
HELIX   18  18 ASN A  383  VAL A  400  1                                  18    
HELIX   19  19 VAL A  400  GLY A  415  1                                  16    
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           
SHEET    1  AC 2 VAL A 236  SER A 237  0                                        
SHEET    2  AC 2 VAL A 295  ILE A 296  1  N  ILE A 296   O  VAL A 236           
SSBOND   1 CYS A   67    CYS A   94                          1555   1555  2.05  
SSBOND   2 CYS A  254    CYS A  265                          1555   1555  2.03  
SSBOND   3 CYS A  402    CYS A  521                          1555   1555  2.04  
LINK         ND2 ASN A  59                 C1  NAG A1537     1555   1555  1.47  
LINK         ND2 ASN A 416                 C1  NAG A1538     1555   1555  1.45  
CISPEP   1 SER A  103    PRO A  104          0         0.81                     
CRYST1  111.794  111.794  137.775  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      0.008945  0.005164  0.000000        0.00000                         
SCALE2      0.000000  0.010329  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007258        0.00000