PDB Short entry for 1DX6
HEADER    HYDROLASE                               21-DEC-99   1DX6              
TITLE     STRUCTURE OF ACETYLCHOLINESTERASE COMPLEXED WITH (-)-GALANTHAMINE AT  
TITLE    2 2.3A RESOLUTION                                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ACETYLCHOLINESTERASE;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.1.1.7;                                                         
COMPND   5 OTHER_DETAILS: PLANT ALKALOID GALANTHAMINE BOUND IN ACTIVE SITE GORGE
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TORPEDO CALIFORNICA;                            
SOURCE   3 ORGANISM_COMMON: PACIFIC ELECTRIC RAY;                               
SOURCE   4 ORGANISM_TAXID: 7787;                                                
SOURCE   5 VARIANT: G2 FORM;                                                    
SOURCE   6 ORGAN: ELECTRIC ORGAN;                                               
SOURCE   7 TISSUE: ELECTROPLAQUE                                                
KEYWDS    HYDROLASE, SERINE HYDROLASE, CHOLINESTERASE, ALZHEIMER'S DISEASE      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.M.GREENBLATT,G.KRYGER,T.T.LEWIS,I.SILMAN,J.L.SUSSMAN                
REVDAT   6   29-JUL-20 1DX6    1       COMPND REMARK HETNAM LINK                
REVDAT   6 2                   1       SITE   ATOM                              
REVDAT   5   03-APR-19 1DX6    1       REMARK                                   
REVDAT   4   05-JUL-17 1DX6    1       REMARK                                   
REVDAT   3   27-JUL-11 1DX6    1       COMPND KEYWDS JRNL   REMARK              
REVDAT   3 2                   1       HETNAM FORMUL HETSYN SITE                
REVDAT   3 3                   1       MASTER VERSN                             
REVDAT   2   24-FEB-09 1DX6    1       VERSN                                    
REVDAT   1   02-JAN-00 1DX6    0                                                
JRNL        AUTH   H.M.GREENBLATT,G.KRYGER,T.T.LEWIS,I.SILMAN,J.L.SUSSMAN       
JRNL        TITL   STRUCTURE OF ACETYLCHOLINESTERASE COMPLEXED WITH             
JRNL        TITL 2 (-)-GALANTHAMINE AT 2.3A RESOLUTION                          
JRNL        REF    FEBS LETT.                    V. 463   321 1999              
JRNL        REFN                   ISSN 0014-5793                               
JRNL        PMID   10606746                                                     
JRNL        DOI    10.1016/S0014-5793(99)01637-3                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 0.9                                              
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) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.07                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 2006073.480                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 43396                          
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) : 0.192                           
REMARK   3   FREE R VALUE                     : 0.235                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2194                            
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) : 2.30                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.44                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 96.40                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 6668                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2750                       
REMARK   3   BIN FREE R VALUE                    : 0.3130                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.50                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 312                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.018                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4210                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 90                                      
REMARK   3   SOLVENT ATOMS            : 263                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 24.70                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 33.40                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 6.24000                                              
REMARK   3    B22 (A**2) : 6.24000                                              
REMARK   3    B33 (A**2) : -12.48000                                            
REMARK   3    B12 (A**2) : 2.07000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.25                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.30                            
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) : 0.32                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.32                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.018                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.900                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.10                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.300                           
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) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.36                                                 
REMARK   3   BSOL        : 40.14                                                
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  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : CARBOHYDRATE.PARAM                             
REMARK   3  PARAMETER FILE  4  : GALA.PAR                                       
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : PROTEIN.LINK                                   
REMARK   3  TOPOLOGY FILE  3   : CARBOHYDRATE.TOP                               
REMARK   3  TOPOLOGY FILE  4   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THE C-TERMINAL RESIDUE WAS NOT SEEN IN    
REMARK   3  THE DENSITY MAPS                                                    
REMARK   4                                                                      
REMARK   4 1DX6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 21-DEC-99.                  
REMARK 100 THE DEPOSITION ID IS D_1290004476.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-NOV-98                          
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) : 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                  : NI FILTER                          
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : R-AXIS IIC                         
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 43422                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 29.100                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 3.100                              
REMARK 200  R MERGE                    (I) : 0.07700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.2000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.38                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.84                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.38700                            
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 0.9                                               
REMARK 200 STARTING MODEL: PDB ENTRY 2ACE                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 68.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.80                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLISED FROM 35-40%     
REMARK 280  W/V PEG 200, 0.1M MES PH 5.8, 4 DEG. CELSIUS, PH 5.80,              
REMARK 280  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       45.65567            
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       91.31133            
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       91.31133            
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       45.65567            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4860 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 39500 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 11.1 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      136.96700            
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 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    PRO A 361   C   -  N   -  CA  ANGL. DEV. =   9.5 DEGREES          
REMARK 500    PRO A 361   C   -  N   -  CD  ANGL. DEV. = -12.7 DEGREES          
REMARK 500    LEU A 531   CA  -  CB  -  CG  ANGL. DEV. =  15.5 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    PHE A  45      -12.27     81.92                                   
REMARK 500    ALA A  60       54.97   -118.34                                   
REMARK 500    PRO A  76      121.98    -36.91                                   
REMARK 500    SER A 108       71.53   -157.97                                   
REMARK 500    LEU A 158       78.74   -118.33                                   
REMARK 500    SER A 200     -120.69     59.53                                   
REMARK 500    GLU A 299      -75.83   -119.76                                   
REMARK 500    THR A 317     -161.09   -162.58                                   
REMARK 500    ASP A 326       63.51   -117.53                                   
REMARK 500    ASP A 380       54.25   -154.28                                   
REMARK 500    VAL A 400      -62.54   -124.34                                   
REMARK 500    ASN A 457       69.62     35.97                                   
REMARK 500    GLN A 526      -55.20   -125.11                                   
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: 2ACE   RELATED DB: PDB                                   
REMARK 900 NATIVE ACETYLCHOLINESTERASE (E.C. 3.1.1.7) FROM TORPEDO CALIFORNICA  
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                                                         
REMARK 900 RELATED ID: 1ACJ   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE (E.C.3.1.1.7) COMPLEXED WITH TACRINE            
REMARK 900 RELATED ID: 2ACK   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE COMPLEXED WITH EDROPHONIUM, MONOCHROMATIC DATA  
REMARK 900 RELATED ID: 1ACL   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE (E.C.3.1.1.7) 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: 1FSS   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE (E.C. 3.1.1.7) COMPLEXED WITH FASCICULIN-II     
REMARK 900 RELATED ID: 1VOT   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE (E.C. 3.1.1.7) COMPLEXED WITH HUPERZINE A       
REMARK 900 RELATED ID: 1AX9   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINESTERASE COMPLEXED WITH EDROPHONIUM, LAUE DATA           
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: 1CFJ   RELATED DB: PDB                                   
REMARK 900 METHYLPHOSPHONYLATED ACETYLCHOLINESTERASE (AGED) OBTAINED BY         
REMARK 900 REACTION WITH O-ISOPROPYLMETHYLPHOSPHONOFLUORIDATE (GB,SARIN)        
DBREF  1DX6 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 1DX6 ASN A   59  ASN  GLYCOSYLATION SITE                                 
MODRES 1DX6 ASN A  416  ASN  GLYCOSYLATION SITE                                 
MODRES 1DX6 ASN A  457  ASN  GLYCOSYLATION SITE                                 
HET    NAG  B   1      14                                                       
HET    NAG  B   2      14                                                       
HET    PG4  A 601      13                                                       
HET    GNT  A 602      21                                                       
HET    NAG  A 603      14                                                       
HET    NAG  A 604      14                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETNAM     PG4 TETRAETHYLENE GLYCOL                                             
HETNAM     GNT (-)-GALANTHAMINE                                                 
FORMUL   2  NAG    4(C8 H15 N O6)                                               
FORMUL   3  PG4    C8 H18 O5                                                    
FORMUL   4  GNT    C17 H21 N O3                                                 
FORMUL   7  HOH   *263(H2 O)                                                    
HELIX    1 AA1 VAL A   40  ARG A   44  5                                   5    
HELIX    2 AA2 PHE A   78  MET A   83  1                                   6    
HELIX    3 AA3 LEU A  127  ASN A  131  5                                   5    
HELIX    4 AA4 GLY A  132  GLU A  140  1                                   9    
HELIX    5 AA5 VAL A  150  LEU A  156  1                                   7    
HELIX    6 AA6 ASN A  167  ILE A  184  1                                  18    
HELIX    7 AA7 GLN A  185  PHE A  187  5                                   3    
HELIX    8 AA8 SER A  200  SER A  212  1                                  13    
HELIX    9 AA9 SER A  215  PHE A  219  5                                   5    
HELIX   10 AB1 SER A  237  LEU A  252  1                                  16    
HELIX   11 AB2 SER A  258  LYS A  269  1                                  12    
HELIX   12 AB3 LYS A  270  ASP A  276  1                                   7    
HELIX   13 AB4 VAL A  277  LEU A  282  5                                   6    
HELIX   14 AB5 SER A  304  GLY A  312  1                                   9    
HELIX   15 AB6 GLY A  328  ALA A  336  1                                   9    
HELIX   16 AB7 SER A  348  VAL A  360  1                                  13    
HELIX   17 AB8 ASN A  364  THR A  376  1                                  13    
HELIX   18 AB9 ASN A  383  VAL A  400  1                                  18    
HELIX   19 AC1 VAL A  400  GLY A  415  1                                  16    
HELIX   20 AC2 PRO A  433  GLY A  437  5                                   5    
HELIX   21 AC3 GLU A  443  PHE A  448  1                                   6    
HELIX   22 AC4 GLY A  449  ASN A  457  5                                   9    
HELIX   23 AC5 THR A  459  GLY A  480  1                                  22    
HELIX   24 AC6 ARG A  517  GLN A  526  1                                  10    
HELIX   25 AC7 GLN A  526  THR A  535  1                                  10    
SHEET    1 AA1 3 LEU A   7  THR A  10  0                                        
SHEET    2 AA1 3 GLY A  13  MET A  16 -1  O  VAL A  15   N  VAL A   8           
SHEET    3 AA1 3 VAL A  57  ASN A  59  1  O  TRP A  58   N  MET A  16           
SHEET    1 AA211 THR A  18  VAL A  22  0                                        
SHEET    2 AA211 SER A  25  PRO A  34 -1  O  ILE A  27   N  VAL A  20           
SHEET    3 AA211 TYR A  96  VAL A 101 -1  O  ILE A  99   N  PHE A  30           
SHEET    4 AA211 VAL A 142  SER A 145 -1  O  SER A 145   N  ASN A  98           
SHEET    5 AA211 THR A 109  ILE A 115  1  N  MET A 112   O  VAL A 144           
SHEET    6 AA211 GLY A 189  GLU A 199  1  O  THR A 195   N  VAL A 111           
SHEET    7 AA211 ARG A 221  GLN A 225  1  O  GLN A 225   N  GLY A 198           
SHEET    8 AA211 ILE A 319  ASN A 324  1  O  LEU A 320   N  LEU A 224           
SHEET    9 AA211 THR A 418  PHE A 423  1  O  PHE A 423   N  VAL A 323           
SHEET   10 AA211 LYS A 501  LEU A 505  1  O  LEU A 505   N  PHE A 422           
SHEET   11 AA211 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  2.05  
SSBOND   2 CYS A  254    CYS A  265                          1555   1555  2.02  
SSBOND   3 CYS A  402    CYS A  521                          1555   1555  2.02  
LINK         ND2 ASN A  59                 C1  NAG A 603     1555   1555  1.47  
LINK         ND2 ASN A 416                 C1  NAG B   1     1555   1555  1.45  
LINK         ND2 ASN A 457                 C1  NAG A 604     1555   1555  1.48  
LINK         O4  NAG B   1                 C1  NAG B   2     1555   1555  1.41  
CISPEP   1 SER A  103    PRO A  104          0         0.62                     
CRYST1  111.234  111.234  136.967  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      0.008990  0.005190  0.000000        0.00000                         
SCALE2      0.000000  0.010381  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007301        0.00000