longtext: 1E3Q-pdb

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HEADER    SERINE HYDROLASE                        20-JUN-00   1E3Q
TITLE     TORPEDO CALIFORNICA ACETYLCHOLINESTERASE COMPLEXED WITH
TITLE    2 BW284C51
COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: ACETYLCHOLINESTERASE;
COMPND   3 CHAIN: A;
COMPND   4 EC: 3.1.1.7
SOURCE    MOL_ID: 1;
SOURCE   2 ORGANISM_SCIENTIFIC: TORPEDO CALIFORNICA;
SOURCE   3 ORGANISM_COMMON: PACIFIC ELECTRIC RAY;
SOURCE   4 ORGAN: ELECTRIC ORGAN;
SOURCE   5 TISSUE: ELECTROPLAQUE
KEYWDS    SERINE HYDROLASE, BW284C51, ACETYLCHOLINESTERASE,
KEYWDS   2 HYDROLASE, INHIBITOR
EXPDTA    X-RAY DIFFRACTION
AUTHOR    C.E.FELDER,M.HAREL,I.SILMAN,J.L.SUSSMAN
REVDAT   1   03-JUL-00 1E3Q    0
JRNL        AUTH   C.E.FELDER,M.HAREL,I.SILMAN,J.L.SUSSMAN
JRNL        TITL   CRYSTAL STRUCTURE OF ACETYLCHOLINESTERASE COMPLEXED
JRNL        TITL 2 WITH BW284C51: COMPARISON WITH THE DECAMETHONIUM
JRNL        TITL 3 AND E2020 COMPLEXES
JRNL        REF    TO BE PUBLISHED
JRNL        REFN
REMARK   1
REMARK   1 REFERENCE 1
REMARK   1  AUTH   G.KRYGER,I.SILMAN,J.L.SUSSMAN
REMARK   1  TITL   STRUCTURE OF ACETYLCHOLINESTERASE COMPLEXED WITH
REMARK   1  TITL 2 E2020 (ARICEPT): IMPLICATIONS FOR THE DESIGN OF NEW
REMARK   1  TITL 3 ANTI-ALZHEIMER DRUGS
REMARK   1  REF    STRUCTURE (LONDON)            V.   7   297 1999
REMARK   1  REFN   ASTM STRUE6  UK ISSN 0969-2126
REMARK   1 REFERENCE 2
REMARK   1  AUTH   M.HAREL,I.SCHALK,L.EHRET-SABATTIER,F.BOUET,
REMARK   1  AUTH 2 M.GOELDNER,C.HIRTH,P.H.AXELSEN,I.SILMAN,
REMARK   1  AUTH 3 J.L.SUSSMAN
REMARK   1  TITL   QUATERNARY LIGAND BINDING TO AROMATIC RESIDUES IN
REMARK   1  TITL 2 THE ACTIVE-SITE GORGE OF ACETYLCHOLINESTERASE
REMARK   1  REF    PROC.NAT.ACAD.SCI.USA         V.  90  9031 1993
REMARK   1  REFN   ASTM PNASA6  US ISSN 0027-8424
REMARK   2
REMARK   2 RESOLUTION. 2.85 ANGSTROMS.
REMARK   3
REMARK   3 REFINEMENT.
REMARK   3   PROGRAM     : CNS    1.0
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,
REMARK   3                 GROSSE-KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,
REMARK   3                 PANNU,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) : 2.85
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 18.94
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.0
REMARK   3   OUTLIER CUTOFF HIGH (RMS(ABS(F))) : 8544140.69
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 95.6
REMARK   3   NUMBER OF REFLECTIONS             : 22783
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) : 0.190
REMARK   3   FREE R VALUE                     : 0.234
REMARK   3   FREE R VALUE TEST SET SIZE   (%) :  4.9
REMARK   3   FREE R VALUE TEST SET COUNT      : 1110
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.007
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) : 2.85
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.03
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 55.5
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2117
REMARK   3   BIN R VALUE           (WORKING SET) : 0.386
REMARK   3   BIN FREE R VALUE                    : 0.393
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.1
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 114
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.037
REMARK   3
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.
REMARK   3   PROTEIN ATOMS            : 4254
REMARK   3   NUCLEIC ACID ATOMS       : 0
REMARK   3   HETEROGEN ATOMS          : 77
REMARK   3   SOLVENT ATOMS            : 132
REMARK   3
REMARK   3  B VALUES.
REMARK   3   FROM WILSON PLOT           (A**2) : 39.9
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 36.5
REMARK   3   OVERALL ANISOTROPIC B VALUE.
REMARK   3    B11 (A**2) : 4.21
REMARK   3    B22 (A**2) : 4.21
REMARK   3    B33 (A**2) : -8.41
REMARK   3    B12 (A**2) : 11.37
REMARK   3    B13 (A**2) : 0.00
REMARK   3    B23 (A**2) : 0.00
REMARK   3
REMARK   3  ESTIMATED COORDINATE ERROR.
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.35
REMARK   3   ESD FROM SIGMAA              (A) : 0.90
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) : 0.42
REMARK   3   ESD FROM C-V SIGMAA          (A) : 1.02
REMARK   3
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.
REMARK   3   BOND LENGTHS                 (A) : 0.011
REMARK   3   BOND ANGLES            (DEGREES) : 1.7
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.8
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.06
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) : 1.40  ; 1.50
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.47  ; 2.00
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.01  ; 2.00
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 4.26  ; 2.50
REMARK   3
REMARK   3  BULK SOLVENT MODELING.
REMARK   3   METHOD USED : FLAT MODEL
REMARK   3   KSOL        : 0.329151
REMARK   3   BSOL        : 48.655
REMARK   3
REMARK   3  NCS MODEL : NONE
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  : BW.PAR
REMARK   3  PARAMETER FILE  4  : CARBOHYDRATE.PARAM
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP
REMARK   3  TOPOLOGY FILE  3   : CARBOHYDRATE.TOP
REMARK   3  TOPOLOGY FILE  4   : BW.TOP
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   6   AND THE C-TERMINAL RESIDUES AFTER THR 535.
REMARK   4
REMARK   4 1E3Q COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998
REMARK 100
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY EBI  ON 21-JUN-2000.
REMARK 100 THE EBI ID CODE IS EBI-5071.
REMARK 200
REMARK 200 EXPERIMENTAL DETAILS
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION
REMARK 200  DATE OF DATA COLLECTION        : 15-DEC-1991
REMARK 200  TEMPERATURE           (KELVIN) : 293
REMARK 200  PH                             : 5.8
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 FR300
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54
REMARK 200  MONOCHROMATOR                  : NI FILTER
REMARK 200  OPTICS                         : MIRRORS
REMARK 200
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE
REMARK 200  DETECTOR MANUFACTURER          : XENTRONICS
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS
REMARK 200  DATA SCALING SOFTWARE          : XDS
REMARK 200
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 48244
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.83
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.0
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.0
REMARK 200
REMARK 200 OVERALL.
REMARK 200  COMPLETENESS FOR RANGE     (%) : 77.4
REMARK 200  DATA REDUNDANCY                : NULL
REMARK 200  R MERGE                    (I) : NULL
REMARK 200  R SYM                      (I) : 0.104
REMARK 200   FOR THE DATA SET  : NULL
REMARK 200
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.83
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.16
REMARK 200  COMPLETENESS FOR SHELL     (%) : 47.0
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL
REMARK 200  R MERGE FOR SHELL          (I) : NULL
REMARK 200  R SYM FOR SHELL            (I) : 0.286
REMARK 200   FOR SHELL         : 2.8
REMARK 200
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER
REMARK 200 SOFTWARE USED: X-PLOR 3.851
REMARK 200 STARTING MODEL: 2ACE
REMARK 200
REMARK 200 REMARK: NULL
REMARK 280
REMARK 280 CRYSTAL
REMARK 280 SOLVENT CONTENT, VS   (%): 70.9
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.23
REMARK 280
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL
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   Y-X,-X,Z+2/3
REMARK 290       4555   Y,X,-Z
REMARK 290       5555   X-Y,-Y,2/3-Z
REMARK 290       6555   -X,Y-X,1/3-Z
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       46.06667
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       92.13333
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       92.13333
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       46.06667
REMARK 290
REMARK 290 REMARK: NULL
REMARK 300
REMARK 300 BIOMOLECULE: 1
REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT
REMARK 300 WHICH CONSISTS OF   1 CHAIN(S). SEE REMARK 350 FOR
REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S).
REMARK 300
REMARK 300 THE ENZYME IS A GPI-ANCHORED DIMER.  THE TWO MONOMERS IN
REMARK 300 THE DIMER ARE RELATED BY CRYSTALLOGRAPHIC TWO-FOLD
REMARK 300 SYMMETRY.
REMARK 350
REMARK 350 GENERATING THE BIOMOLECULE
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 APPLY THE FOLLOWING TO CHAINS: A
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000
REMARK 350   BIOMT1   1 -0.500000  0.866025  0.000000        0.00000
REMARK 350   BIOMT2   1  0.866025  0.500000  0.000000        0.00000
REMARK 350   BIOMT3   1  0.000000  0.000000 -1.000000      138.20000
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     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     GLU A  89    OE1  OE2
REMARK 470     GLN A 162    CD   OE1  NE2
REMARK 470     GLU A 299    CD   OE1  OE2
REMARK 470     LYS A 413    CE   NZ
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: ENGH AND HUBER, 1991
REMARK 500
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3
REMARK 500    MET A  43   N   -  CA  -  C   ANGL. DEV. = -11.2 DEGREES
REMARK 500    SER A 108   N   -  CA  -  C   ANGL. DEV. = -11.1 DEGREES
REMARK 500    ALA A 157   N   -  CA  -  C   ANGL. DEV. =  10.8 DEGREES
REMARK 500    HIS A 159   N   -  CA  -  C   ANGL. DEV. =  12.3 DEGREES
REMARK 500    PRO A 165   N   -  CA  -  C   ANGL. DEV. = -11.0 DEGREES
REMARK 500    ALA A 234   N   -  CA  -  C   ANGL. DEV. =  10.4 DEGREES
REMARK 500    GLY A 449   N   -  CA  -  C   ANGL. DEV. =  13.1 DEGREES
REMARK 500    TRP A 492   N   -  CA  -  C   ANGL. DEV. = -11.1 DEGREES
REMARK 500    LYS A 511   N   -  CA  -  C   ANGL. DEV. = -10.8 DEGREES
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
REMARK 500  O     HOH Z     1    O     HOH Z    73     1564      2.17
REMARK 525
REMARK 525 SOLVENT
REMARK 525 THE SOLVENT MOLECULES ARE GIVEN CHAIN IDENTIFIERS TO
REMARK 525 INDICATE THE PROTEIN CHAIN TO WHICH THEY ARE MOST CLOSELY
REMARK 525 ASSOCIATED WITH:
REMARK 525   PROTEIN CHAIN  SOLVENT CHAIN
REMARK 525     A              Z
REMARK 525
REMARK 600
REMARK 600 HETEROGEN
REMARK 600 HET GROUP BW (BW284C51), 30 ATOMS
REMARK 600
REMARK 600                C25    C9---C8            O1
REMARK 600                |     /      \            ||
REMARK 600 C28==C27--C24--N2--C10   O   C7--C6--C2--C1-...
REMARK 600                |    \      /
REMARK 600                C26   C11--C10
REMARK 600
REMARK 600                 C19--C18     C21
REMARK 600                /       \     |
REMARK 600 ...-C5--C13--C14   O    C17--N1--C22--C23==C29
REMARK 600                \       /     |
REMARK 600                 C15--C16     C20
REMARK 600
REMARK 650
REMARK 650 HELIX
REMARK 650 DETERMINATION METHOD: AUTHOR-DETERMINED
REMARK 700
REMARK 700 SHEET
REMARK 700 DETERMINATION METHOD: AUTHOR-DETERMINED
REMARK 800
REMARK 800 SITE
REMARK 800 SITE_IDENTIFIER: CAT
REMARK 800 SITE_DESCRIPTION: CATALYTIC TRIAD.
REMARK 800
REMARK 800 SITE_IDENTIFIER: IHB
REMARK 800 SITE_DESCRIPTION: INHIBITOR BINDING SITE.
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
REMARK 900  CALIFORNICA
REMARK 900 RELATED ID: 3ACE   RELATED DB: PDB
REMARK 900 RELATED ID: 4ACE   RELATED DB: PDB
REMARK 900 RELATED ID: 1ACJ   RELATED DB: PDB
REMARK 900 RELATED ID: 2ACK   RELATED DB: PDB
REMARK 900 RELATED ID: 1ACL   RELATED DB: PDB
REMARK 900 RELATED ID: 1AMN   RELATED DB: PDB
REMARK 900 RELATED ID: 1FSS   RELATED DB: PDB
REMARK 900 RELATED ID: 1VOT   RELATED DB: PDB
REMARK 900 RELATED ID: 1AX9   RELATED DB: PDB
REMARK 900 RELATED ID: 1EVE   RELATED DB: PDB
REMARK 900 RELATED ID: 1CFJ   RELATED DB: PDB
REMARK 900 RELATED ID: 1OCE   RELATED DB: PDB
REMARK 900 RELATED ID: 2DFP   RELATED DB: PDB
REMARK 900 RELATED ID: 1SOM   RELATED DB: PDB
REMARK 900 RELATED ID: 2DX6   RELATED DB: PDB
REMARK 900 RELATED ID: 1VXO   RELATED DB: PDB
REMARK 900 RELATED ID: 1VXR   RELATED DB: PDB
REMARK 900 RELATED ID: 1QTI   RELATED DB: PDB
REMARK 900 RELATED ID: 1QIG   RELATED DB: PDB
REMARK 900 RELATED ID: 1QIH   RELATED DB: PDB
REMARK 900 RELATED ID: 1QII   RELATED DB: PDB
REMARK 900 RELATED ID: 1QIJ   RELATED DB: PDB
REMARK 900 RELATED ID: 1QIK   RELATED DB: PDB
REMARK 900 RELATED ID: 1QIM   RELATED DB: PDB
REMARK 900 RELATED ID: 1QID   RELATED DB: PDB
REMARK 900 RELATED ID: 1QIE   RELATED DB: PDB
REMARK 900 RELATED ID: 1QIF   RELATED DB: PDB
REMARK 900 RELATED ID: 1EEA   RELATED DB: PDB
DBREF  1E3Q A    1   543  SWS    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
HET    EBW  A 550      30     SEE REMARK 600
HET    NAG  A 900      15
HET    NAG  A 901      15
HET    NAG  A 902      15
HET    SO4  A 593       5
HETNAM     EBW 4-(5-{4-[DIMETHYL(PROP-2-ENYL)AMMONIO]PHENYL}-3-OXOPENTYL)
HETNAM   2 EBW -N,N-DIMETHYL-N-PROP-2-ENYLBENZENAMINIUM
HETNAM     NAG N-ACETYL-D-GLUCOSAMINE
HETNAM     SO4 SULFATE ION
HETSYN     EBW BW284C51
FORMUL   2  EBW    C27 H38 N2 O1 2+
FORMUL   3  NAG    3(C8 H15 N1 O6)
FORMUL   4  SO4    O4 S1 2-
FORMUL   5  HOH   *132(H2 O1)
HELIX    1   1 PHE A   78  MET A   83  1                                   6
HELIX    2   2 LEU A  127  ASN A  131  5                                   5
HELIX    3   3 GLY A  132  GLU A  140  1                                   9
HELIX    4   4 GLY A  151  LEU A  156  1                                   6
HELIX    5   5 ASN A  167  ILE A  184  1                                  18
HELIX    6   6 GLN A  185  PHE A  187  5                                   3
HELIX    7   7 SER A  200  SER A  212  1                                  13
HELIX    8   8 SER A  212  ASP A  217  1                                   6
HELIX    9   9 VAL A  238  LEU A  252  1                                  15
HELIX   10  10 SER A  258  LYS A  269  1                                  12
HELIX   11  11 LYS A  270  GLU A  278  1                                   9
HELIX   12  12 TRP A  279  LEU A  282  5                                   4
HELIX   13  13 SER A  304  GLY A  312  1                                   9
HELIX   14  14 GLY A  328  ALA A  336  1                                   9
HELIX   15  15 GLU A  350  VAL A  360  1                                  11
HELIX   16  16 ASN A  364  THR A  376  1                                  13
HELIX   17  17 ASN A  383  VAL A  400  1                                  18
HELIX   18  18 VAL A  400  LYS A  413  1                                  14
HELIX   19  19 PRO A  433  GLY A  437  5                                   5
HELIX   20  20 GLU A  443  PHE A  448  1                                   6
HELIX   21  21 GLY A  449  VAL A  453  5                                   5
HELIX   22  22 VAL A  453  ASN A  457  5                                   5
HELIX   23  23 THR A  459  LYS A  478  1                                  20
HELIX   24  24 ARG A  517  GLN A  526  1                                  10
HELIX   25  25 GLN A  526  THR A  535  1                                  10
SHEET    1  A1 1 LEU A   6  THR A  10  0
SHEET    1  A2 1 GLY A  13  MET A  16 -1  N  VAL A  15   O  VAL A   8
SHEET    1  A3 1 VAL A  57  ALA A  60  1  N  TRP A  58   O  LYS A  14
SHEET    1  B1 1 MET A  16  PRO A  21  0
SHEET    1  B2 1 HIS A  26  PRO A  34 -1  O  ALA A  29   N  THR A  18
SHEET    1  B3 1 TYR A  96  VAL A 101 -1  N  ILE A  99   O  PHE A  30
SHEET    1  B4 1 VAL A 142  SER A 147 -1  N  LEU A 143   O  TRP A 100
SHEET    1  B5 1 THR A 109  TYR A 116  1  N  MET A 112   O  VAL A 142
SHEET    1  B6 1 THR A 193  GLU A 199  1  O  THR A 195   N  VAL A 113
SHEET    1  B7 1 ARG A 221  SER A 226  1  N  ILE A 223   O  ILE A 196
SHEET    1  B8 1 GLN A 318  ASN A 324  1  N  GLY A 322   O  LEU A 224
SHEET    1  B9 1 GLY A 417  PHE A 423  1  N  TYR A 421   O  LEU A 321
SHEET    1 B10 1 LYS A 501  LEU A 505  1  N  ILE A 503   O  LEU A 420
SHEET    1 B11 1 MET A 510  GLN A 514 -1  N  HIS A 513   O  PHE A 502
SSBOND   1 CYS A   67    CYS A   94
SSBOND   2 CYS A  254    CYS A  265
SSBOND   3 CYS A  402    CYS A  521
LINK         C1  NAG A 900                 ND2 ASN A  59
LINK         C1  NAG A 901                 ND2 ASN A 416
LINK         C1  NAG A 902                 ND2 ASN A 457
CISPEP   1 SER A  103    PRO A  104          0         0.49
SITE     1 CAT  3 SER A 200  GLU A 327  HIS A 440
SITE     1 IHB  5 TYR A  70  TRP A  84  TRP A 279  PHE A 330
SITE     2 IHB  5 EBW A 550
CRYST1  114.000  114.000  138.200  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      0.008772  0.005064  0.000000        0.00000
SCALE2      0.000000  0.010129  0.000000        0.00000
SCALE3      0.000000  0.000000  0.007236        0.00000