1GQR - Header Asymmetric Unit

HEADER HYDROLASE 04-DEC-01 1GQR

TITLE ACETYLCHOLINESTERASE (E.C. 3.1.1.7) COMPLEXED WITH TITLE 2 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 3 24-AUG-11 1GQR 1 COMPND REMARK HETSYN FORMUL REVDAT 3 2 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, JRNL AUTH 2 J.L.SUSSMAN,I.SILMAN JRNL TITL KINETIC AND STRUCTURAL STUDIES ON THE INTERACTION JRNL TITL 2 OF CHOLINESTERASES WITH THE ANTI-ALZHEIMER DRUG JRNL TITL 3 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 REMARK 1 TITL 2 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 REMARK 1 TITL 2 INHIBITOR OF USE IN THE TREATMENT OF ALZHEIMER'S REMARK 1 TITL 3 DISEASE REMARK 1 REF ACTA CRYSTALLOGR. V. 47 824 1991 REMARK 1 REFN ISSN 0365-110X REMARK 1 REFERENCE 3 REMARK 1 AUTH J.L.SUSSMAN,M.HAREL,F.FROLOW,C.OEFNER,A.GOLDMAN, REMARK 1 AUTH 2 L.TOKER,I.SILMAN REMARK 1 TITL ATOMIC STRUCTURE OF ACETYLCHOLINESTERASE FROM REMARK 1 TITL 2 TORPEDO CALIFORNICA: A PROTOTYPIC REMARK 1 TITL 3 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. 2.2 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) : 2.2 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.13 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.0 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 (%) : 4.6 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) (%) : 80.3 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 6498 REMARK 3 BIN R VALUE (WORKING SET) : 0.317 REMARK 3 BIN FREE R VALUE : 0.356 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 2.9 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) : 21.1 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.5 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.55 REMARK 3 B22 (A**2) : 1.55 REMARK 3 B33 (A**2) : -3.09 REMARK 3 B12 (A**2) : 0.34 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) : 0.30 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) : 1.3 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.7 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.13 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) : 1.59 ; 1.50 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.51 ; 2.00 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.14 ; 2.00 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.24 ; 2.50 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 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : 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 PDBE ID CODE IS EBI-9065.

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: 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 -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 NH1 ARG A 47 O HOH A 2029 2.18 REMARK 500 OD1 ASP A 128 O HOH A 2108 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 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAF A1998 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EMM A1999 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG A1996 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG A1997

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 REMARK 900 COMPLEXED WITH M-(N,N,N-TRIMETHYLAMMONIO) REMARK 900 TRIFLUOROACETOPHENONE REMARK 900 RELATED ID: 1AX9 RELATED DB: PDB REMARK 900 ACETYLCHOLINESTERASE COMPLEXED WITH EDROPHONIUM, REMARK 900 LAUE DATA REMARK 900 RELATED ID: 1CFJ RELATED DB: PDB REMARK 900 METHYLPHOSPHONYLATED ACETYLCHOLINESTERASE (AGED) REMARK 900 OBTAINED BY REACTION WITH O- REMARK 900 ISOPROPYLMETHYLPHOSPHONOFLUORIDATE (GB, SARIN) REMARK 900 RELATED ID: 1DX6 RELATED DB: PDB REMARK 900 STRUCTURE OF ACETYLCHOLINESTERASE COMPLEXED WITH REMARK 900 (-)-GALANTHAMINE AT 2.3A RESOLUTION REMARK 900 RELATED ID: 1E3Q RELATED DB: PDB REMARK 900 TORPEDO CALIFORNICA ACETYLCHOLINESTERASE COMPLEXED REMARK 900 WITH BW284C51 REMARK 900 RELATED ID: 1E66 RELATED DB: PDB REMARK 900 STRUCTURE OF ACETYLCHOLINESTERASE COMPLEXED WITH REMARK 900 (-)-HUPRINE X AT 2.1A RESOLUTION REMARK 900 RELATED ID: 1EA5 RELATED DB: PDB REMARK 900 NATIVE ACETYLCHOLINESTERASE (E.C. 3.1.1.7) REMARK 900 FROM TORPEDO CALIFORNICA AT 1.8A REMARK 900 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- REMARK 900 ALZHEIMER DRUG, E2020 (ARICEPT), COMPLEXED REMARK 900 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 REMARK 900 (+)-HUPERZINE A AT 2.1A RESOLUTION REMARK 900 RELATED ID: 1GPN RELATED DB: PDB REMARK 900 STRUCTURE OF ACETYLCHOLINESTERASE COMPLEXED WITH REMARK 900 HUPERZINE B AT 2.35A RESOLUTION REMARK 900 RELATED ID: 1GQS RELATED DB: PDB REMARK 900 ACETYLCHOLINESTERASE (E.C. 3.1.1.7) REMARK 900 COMPLEXED WITH NAP REMARK 900 RELATED ID: 1HBJ RELATED DB: PDB REMARK 900 X-RAY CRYSTAL STRUCTURE OF COMPLEX BETWEEN REMARK 900 TORPEDO CALIFORNICA ACHE AND A REVERSIBLE REMARK 900 INHIBITOR, 4-AMINO-5-FLUORO-2-METHYL-3- REMARK 900 (3-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 REMARK 900 NINE TIME POINTS (POINT A) CAUSED BY REMARK 900 INTENSE SYNCHROTRON RADIATION TO TORPEDO REMARK 900 CALIFORNICA ACETYLCHOLINESTERASE REMARK 900 RELATED ID: 1QIE RELATED DB: PDB REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT REMARK 900 NINE TIME POINTS (POINT B) CAUSED BY REMARK 900 INTENSE SYNCHROTRON RADIATION TO TORPEDO REMARK 900 CALIFORNICA ACETYLCHOLINESTERASE REMARK 900 RELATED ID: 1QIF RELATED DB: PDB REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT REMARK 900 NINE TIME POINTS (POINT C) CAUSED BY REMARK 900 INTENSE SYNCHROTRON RADIATION TO TORPEDO REMARK 900 CALIFORNICA ACETYLCHOLINESTERASE REMARK 900 RELATED ID: 1QIG RELATED DB: PDB REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT REMARK 900 NINE TIME POINTS (POINT D) CAUSED BY REMARK 900 INTENSE SYNCHROTRON RADIATION TO TORPEDO REMARK 900 CALIFORNICA ACETYLCHOLINESTERASE REMARK 900 RELATED ID: 1QIH RELATED DB: PDB REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT REMARK 900 NINE TIME POINTS (POINT E) CAUSED BY REMARK 900 INTENSE SYNCHROTRON RADIATION TO TORPEDO REMARK 900 CALIFORNICA ACETYLCHOLINESTERASE REMARK 900 RELATED ID: 1QII RELATED DB: PDB REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT REMARK 900 NINE TIME POINTS (POINT F) CAUSED BY REMARK 900 INTENSE SYNCHROTRON RADIATION TO TORPEDO REMARK 900 CALIFORNICA ACETYLCHOLINESTERASE REMARK 900 RELATED ID: 1QIJ RELATED DB: PDB REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT REMARK 900 NINE TIME POINTS (POINT G) CAUSED BY REMARK 900 INTENSE SYNCHROTRON RADIATION TO TORPEDO REMARK 900 CALIFORNICA ACETYLCHOLINESTERASE REMARK 900 RELATED ID: 1QIK RELATED DB: PDB REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT REMARK 900 NINE TIME POINTS (POINT H) CAUSED BY REMARK 900 INTENSE SYNCHROTRON RADIATION TO TORPEDO REMARK 900 CALIFORNICA ACETYLCHOLINESTERASE REMARK 900 RELATED ID: 1QIM RELATED DB: PDB REMARK 900 SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT REMARK 900 NINE TIME POINTS (POINT I) CAUSED BY REMARK 900 INTENSE SYNCHROTRON RADIATION TO TORPEDO REMARK 900 CALIFORNICA 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 REMARK 900 BY NERVE AGENT 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) REMARK 900 OBTAINED BY REACTION WITH O-ETHYL-S-[2-[ REMARK 900 BIS(1-METHYLETHYL) AMINO]ETHYL] REMARK 900 METHYLPHOSPHONOTHIOATE (VX) REMARK 900 RELATED ID: 1VXR RELATED DB: PDB REMARK 900 O-ETHYLMETHYLPHOSPHONYLATED ACETYLCHOLINESTERASE REMARK 900 OBTAINED BY REACTION WITH O-ETHYL-S-[2-[ REMARK 900 BIS(1-METHYLETHYL) AMINO]ETHYL] REMARK 900 METHYLPHOSPHONOTHIOATE (VX) REMARK 900 RELATED ID: 2ACE RELATED DB: PDB REMARK 900 NATIVE ACETYLCHOLINESTERASE FROM TORPEDO REMARK 900 CALIFORNICA REMARK 900 RELATED ID: 2ACK RELATED DB: PDB REMARK 900 ACETYLCHOLINESTERASE COMPLEXED WITH EDROPHONIUM, REMARK 900 MONOCHROMATIC DATA REMARK 900 RELATED ID: 2DFP RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF AGED DI-ISOPROPYL- REMARK 900 PHOSPHORO-FLUORIDATE (DFP) BOUND TO REMARK 900 ACETYLCHOLINESTERASE REMARK 900 RELATED ID: 3ACE RELATED DB: PDB REMARK 900 THEORETICAL MODEL OF (R)-E2020 BOUND REMARK 900 ACETYLCHOLINESTERASE COMPLEX, 3 STRUCTURES REMARK 900 RELATED ID: 4ACE RELATED DB: PDB REMARK 900 THEORETICAL MODEL OF (S)-E2020 BOUND REMARK 900 ACETYLCHOLINESTERASE COMPLEX, 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

HET NAG A1996 14 HET NAG A1997 14 HET SAF A1998 12 HET EMM A1999 6

HETNAM NAG N-ACETYL-D-GLUCOSAMINE 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 3 SAF C10 H15 N O FORMUL 4 EMM C4 H7 N O2 FORMUL 5 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 1.45 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

SITE 1 AC1 11 TRP A 84 GLY A 117 GLY A 118 TYR A 130 SITE 2 AC1 11 GLU A 199 SER A 200 PHE A 330 HIS A 440 SITE 3 AC1 11 EMM A1999 HOH A2385 HOH A2386 SITE 1 AC2 11 GLY A 118 GLY A 119 SER A 200 ALA A 201 SITE 2 AC2 11 TRP A 233 PHE A 288 PHE A 290 PHE A 331 SITE 3 AC2 11 HIS A 440 SAF A1998 HOH A2242 SITE 1 AC3 4 ASN A 59 SER A 61 HOH A2377 HOH A2378 SITE 1 AC4 3 ASN A 416 HOH A2296 HOH A2379

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