PDB Short entry for 1GQR
HEADER    HYDROLASE                               04-DEC-01   1GQR              
TITLE     ACETYLCHOLINESTERASE (E.C. 3.1.1.7) COMPLEXED WITH RIVASTIGMINE       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ACETYLCHOLINESTERASE;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 25-556;                                           
COMPND   5 SYNONYM: ACHE;                                                       
COMPND   6 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, NEUROTRANSMITTER CLEAVAGE                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.L.RAVES,M.HAREL,I.SILMAN,J.L.SUSSMAN                                
REVDAT   5   29-JUL-20 1GQR    1       COMPND REMARK HETNAM LINK                
REVDAT   5 2                   1       SITE                                     
REVDAT   4   07-FEB-18 1GQR    1       JRNL                                     
REVDAT   3   24-AUG-11 1GQR    1       COMPND REMARK HETSYN FORMUL              
REVDAT   3 2                   1       SITE   VERSN                             
REVDAT   2   24-FEB-09 1GQR    1       VERSN                                    
REVDAT   1   15-MAR-02 1GQR    0                                                
JRNL        AUTH   P.BAR-ON,C.B.MILLARD,M.HAREL,H.DVIR,A.ENZ,J.L.SUSSMAN,       
JRNL        AUTH 2 I.SILMAN                                                     
JRNL        TITL   KINETIC AND STRUCTURAL STUDIES ON THE INTERACTION OF         
JRNL        TITL 2 CHOLINESTERASES WITH THE ANTI-ALZHEIMER DRUG RIVASTIGMINE    
JRNL        REF    BIOCHEMISTRY                  V.  41  3555 2002              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   11888271                                                     
JRNL        DOI    10.1021/BI020016X                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   Y.ASHANI,J.O.PEGGINS III,B.P.DOCTOR                          
REMARK   1  TITL   MECHANISM OF INHIBITION OF CHOLINESTERASES BY HUPERZINE A    
REMARK   1  REF    BIOCHEM.BIOPHYS.RES.COMMUN.   V. 184   719 1992              
REMARK   1  REFN                   ISSN 0006-291X                               
REMARK   1  PMID   1575745                                                      
REMARK   1  DOI    10.1016/0006-291X(92)90649-6                                 
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   S.J.GEIB,W.TUCKMANTEL,A.P.KOZIKOWSKI                         
REMARK   1  TITL   HUPERZINE A--A POTENT ACETYLCHOLINESTERASE INHIBITOR OF USE  
REMARK   1  TITL 2 IN THE TREATMENT OF ALZHEIMER'S DISEASE                      
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.C      V.  47   824 1991              
REMARK   1  REFN                   ISSN 0108-2701                               
REMARK   1  PMID   1863425                                                      
REMARK   1  DOI    10.1107/S0108270190008952                                    
REMARK   1 REFERENCE 3                                                          
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.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.13                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 90.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 46026                          
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) : 0.199                           
REMARK   3   FREE R VALUE                     : 0.236                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.600                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2111                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
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) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.34                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 80.30                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 6498                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3170                       
REMARK   3   BIN FREE R VALUE                    : 0.3560                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 2.90                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 194                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.026                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4198                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 46                                      
REMARK   3   SOLVENT ATOMS            : 386                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 21.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 35.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.55000                                              
REMARK   3    B22 (A**2) : 1.55000                                              
REMARK   3    B33 (A**2) : -3.09000                                             
REMARK   3    B12 (A**2) : 0.34000                                              
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) : 0.30                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.34                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.34                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.31                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.130                           
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) : 1.590 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.510 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.140 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 4.240 ; 2.500                
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  : PARHCSDX.PRO                                   
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1GQR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 04-DEC-01.                  
REMARK 100 THE DEPOSITION ID IS D_1290009065.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUL-97                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 5.80                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X12C                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.1                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 50861                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
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     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 4.800                              
REMARK 200  R MERGE                    (I) : 0.06600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.28                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1ACE                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 70.13                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.12                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 5.80                                  
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       45.59000            
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       91.18000            
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       91.18000            
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       45.59000            
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 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    CG   OD1  ND2                                       
REMARK 470     ARG A  46    CZ   NH1  NH2                                       
REMARK 470     LYS A  52    NZ                                                  
REMARK 470     SER A  55    OG                                                  
REMARK 470     GLU A  89    CD   OE1  OE2                                       
REMARK 470     GLN A 162    OE1  NE2                                            
REMARK 470     LYS A 192    CG   CD   CE   NZ                                   
REMARK 470     ASN A 257    OD1  ND2                                            
REMARK 470     LYS A 270    CE   NZ                                             
REMARK 470     LYS A 357    CE   NZ                                             
REMARK 470     LYS A 454    CG   CD   CE   NZ                                   
REMARK 470     HIS A 486    CG   ND1  CD2  CE1  NE2                             
REMARK 470     GLN A 488    CD   OE1  NE2                                       
REMARK 470     SER A 490    OG                                                  
REMARK 470     LYS A 491    CD   CE   NZ                                        
REMARK 470     LYS A 498    CG   CD   CE   NZ                                   
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   OD1  ASP A   128     O    HOH A  2108              2.18            
REMARK 500   NH1  ARG A    47     O    HOH A  2029              2.18            
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     -158.23   -130.72                                   
REMARK 500    PRO A  39       41.13    -73.80                                   
REMARK 500    PHE A  45      -14.59     84.33                                   
REMARK 500    ALA A  60       47.22   -106.10                                   
REMARK 500    CYS A  94       12.62   -142.85                                   
REMARK 500    SER A 108       72.89   -163.79                                   
REMARK 500    LEU A 158       70.04   -117.18                                   
REMARK 500    SER A 200     -118.03     62.87                                   
REMARK 500    GLU A 299      -71.28   -105.41                                   
REMARK 500    VAL A 360       72.68   -117.00                                   
REMARK 500    HIS A 362       60.83   -112.08                                   
REMARK 500    ASP A 380       53.14   -154.00                                   
REMARK 500    VAL A 400      -61.38   -129.86                                   
REMARK 500    HIS A 486       82.20     53.99                                   
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 A2038        DISTANCE =  6.20 ANGSTROMS                       
REMARK 525    HOH A2049        DISTANCE =  5.96 ANGSTROMS                       
REMARK 525    HOH A2102        DISTANCE =  5.90 ANGSTROMS                       
REMARK 525    HOH A2130        DISTANCE =  6.98 ANGSTROMS                       
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 CALIFORNICA  
REMARK 900 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: 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: 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 STRUCTURES                                                         
DBREF  1GQR A    4   535  UNP    P04058   ACES_TORCA      25    556             
SEQRES   1 A  532  SER GLU LEU LEU VAL ASN THR LYS SER GLY LYS VAL MET          
SEQRES   2 A  532  GLY THR ARG VAL PRO VAL LEU SER SER HIS ILE SER ALA          
SEQRES   3 A  532  PHE LEU GLY ILE PRO PHE ALA GLU PRO PRO VAL GLY ASN          
SEQRES   4 A  532  MET ARG PHE ARG ARG PRO GLU PRO LYS LYS PRO TRP SER          
SEQRES   5 A  532  GLY VAL TRP ASN ALA SER THR TYR PRO ASN ASN CYS GLN          
SEQRES   6 A  532  GLN TYR VAL ASP GLU GLN PHE PRO GLY PHE SER GLY SER          
SEQRES   7 A  532  GLU MET TRP ASN PRO ASN ARG GLU MET SER GLU ASP CYS          
SEQRES   8 A  532  LEU TYR LEU ASN ILE TRP VAL PRO SER PRO ARG PRO LYS          
SEQRES   9 A  532  SER THR THR VAL MET VAL TRP ILE TYR GLY GLY GLY PHE          
SEQRES  10 A  532  TYR SER GLY SER SER THR LEU ASP VAL TYR ASN GLY LYS          
SEQRES  11 A  532  TYR LEU ALA TYR THR GLU GLU VAL VAL LEU VAL SER LEU          
SEQRES  12 A  532  SER TYR ARG VAL GLY ALA PHE GLY PHE LEU ALA LEU HIS          
SEQRES  13 A  532  GLY SER GLN GLU ALA PRO GLY ASN VAL GLY LEU LEU ASP          
SEQRES  14 A  532  GLN ARG MET ALA LEU GLN TRP VAL HIS ASP ASN ILE GLN          
SEQRES  15 A  532  PHE PHE GLY GLY ASP PRO LYS THR VAL THR ILE PHE GLY          
SEQRES  16 A  532  GLU SER ALA GLY GLY ALA SER VAL GLY MET HIS ILE LEU          
SEQRES  17 A  532  SER PRO GLY SER ARG ASP LEU PHE ARG ARG ALA ILE LEU          
SEQRES  18 A  532  GLN SER GLY SER PRO ASN CYS PRO TRP ALA SER VAL SER          
SEQRES  19 A  532  VAL ALA GLU GLY ARG ARG ARG ALA VAL GLU LEU GLY ARG          
SEQRES  20 A  532  ASN LEU ASN CYS ASN LEU ASN SER ASP GLU GLU LEU ILE          
SEQRES  21 A  532  HIS CYS LEU ARG GLU LYS LYS PRO GLN GLU LEU ILE ASP          
SEQRES  22 A  532  VAL GLU TRP ASN VAL LEU PRO PHE ASP SER ILE PHE ARG          
SEQRES  23 A  532  PHE SER PHE VAL PRO VAL ILE ASP GLY GLU PHE PHE PRO          
SEQRES  24 A  532  THR SER LEU GLU SER MET LEU ASN SER GLY ASN PHE LYS          
SEQRES  25 A  532  LYS THR GLN ILE LEU LEU GLY VAL ASN LYS ASP GLU GLY          
SEQRES  26 A  532  SER PHE PHE LEU LEU TYR GLY ALA PRO GLY PHE SER LYS          
SEQRES  27 A  532  ASP SER GLU SER LYS ILE SER ARG GLU ASP PHE MET SER          
SEQRES  28 A  532  GLY VAL LYS LEU SER VAL PRO HIS ALA ASN ASP LEU GLY          
SEQRES  29 A  532  LEU ASP ALA VAL THR LEU GLN TYR THR ASP TRP MET ASP          
SEQRES  30 A  532  ASP ASN ASN GLY ILE LYS ASN ARG ASP GLY LEU ASP ASP          
SEQRES  31 A  532  ILE VAL GLY ASP HIS ASN VAL ILE CYS PRO LEU MET HIS          
SEQRES  32 A  532  PHE VAL ASN LYS TYR THR LYS PHE GLY ASN GLY THR TYR          
SEQRES  33 A  532  LEU TYR PHE PHE ASN HIS ARG ALA SER ASN LEU VAL TRP          
SEQRES  34 A  532  PRO GLU TRP MET GLY VAL ILE HIS GLY TYR GLU ILE GLU          
SEQRES  35 A  532  PHE VAL PHE GLY LEU PRO LEU VAL LYS GLU LEU ASN TYR          
SEQRES  36 A  532  THR ALA GLU GLU GLU ALA LEU SER ARG ARG ILE MET HIS          
SEQRES  37 A  532  TYR TRP ALA THR PHE ALA LYS THR GLY ASN PRO ASN GLU          
SEQRES  38 A  532  PRO HIS SER GLN GLU SER LYS TRP PRO LEU PHE THR THR          
SEQRES  39 A  532  LYS GLU GLN LYS PHE ILE ASP LEU ASN THR GLU PRO MET          
SEQRES  40 A  532  LYS VAL HIS GLN ARG LEU ARG VAL GLN MET CYS VAL PHE          
SEQRES  41 A  532  TRP ASN GLN PHE LEU PRO LYS LEU LEU ASN ALA THR              
MODRES 1GQR ASN A   59  ASN  GLYCOSYLATION SITE                                 
MODRES 1GQR ASN A  416  ASN  GLYCOSYLATION SITE                                 
HET    NAG  A1996      14                                                       
HET    NAG  A1997      14                                                       
HET    SAF  A1998      12                                                       
HET    EMM  A1999       6                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETNAM     SAF 3-[(1S)-1-(DIMETHYLAMINO)ETHYL]PHENOL                            
HETNAM     EMM [METHYL(VINYL)AMINO]METHANOL                                     
HETSYN     EMM N,N-ETHYLMETHYLCARBAMATE                                         
FORMUL   2  NAG    2(C8 H15 N O6)                                               
FORMUL   4  SAF    C10 H15 N O                                                  
FORMUL   5  EMM    C4 H7 N O2                                                   
FORMUL   6  HOH   *386(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  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           
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  2.04  
LINK         ND2 ASN A  59                 C1  NAG A1996     1555   1555  1.46  
LINK         OG  SER A 200                 C   EMM A1999     1555   1555  1.44  
LINK         ND2 ASN A 416                 C1  NAG A1997     1555   1555  1.45  
CISPEP   1 SER A  103    PRO A  104          0         0.28                     
CRYST1  112.052  112.052  136.770  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      0.008924  0.005152  0.000000        0.00000                         
SCALE2      0.000000  0.010305  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007311        0.00000