1OCE - Header Asymmetric Unit

HEADER HYDROLASE 12-JUN-98 1OCE

TITLE ACETYLCHOLINESTERASE (E.C. 3.1.1.7) COMPLEXED WITH MF268

COMPND MOL_ID: 1; COMPND 2 MOLECULE: ACETYLCHOLINESTERASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.1.7; COMPND 5 OTHER_DETAILS: INTER-MONOMER DISULFIDE BRIDGE

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TORPEDO CALIFORNICA; SOURCE 3 ORGANISM_COMMON: PACIFIC ELECTRIC RAY; SOURCE 4 ORGANISM_TAXID: 7787; SOURCE 5 VARIANT: G2 FORM; SOURCE 6 ORGAN: ELECTRIC ORGAN; SOURCE 7 TISSUE: ELECTROPLAQUE

KEYWDS HYDROLASE, CARBOXYLIC ESTERASE, NEUROTRANSMITTER CLEAVAGE, KEYWDS 2 SERINE ESTERASE

EXPDTA X-RAY DIFFRACTION

AUTHOR C.BARTOLUCCI,E.PEROLA,L.CELLAI,M.BRUFANI,D.LAMBA

REVDAT 2 24-FEB-09 1OCE 1 VERSN REVDAT 1 18-MAY-99 1OCE 0

JRNL AUTH C.BARTOLUCCI,E.PEROLA,L.CELLAI,M.BRUFANI,D.LAMBA JRNL TITL "BACK DOOR" OPENING IMPLIED BY THE CRYSTAL JRNL TITL 2 STRUCTURE OF A CARBAMOYLATED ACETYLCHOLINESTERASE. JRNL REF BIOCHEMISTRY V. 38 5714 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 10231521 JRNL DOI 10.1021/BI982723P

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH E.PEROLA,L.CELLAI,D.LAMBA,L.FILOCAMO,M.BRUFANI REMARK 1 TITL LONG CHAIN ANALOGS OF PHYSOSTIGMINE AS POTENTIAL REMARK 1 TITL 2 DRUGS FOR ALZHEIMER'S DISEASE: NEW INSIGHTS INTO REMARK 1 TITL 3 THE MECHANISM OF ACTION IN THE INHIBITION OF REMARK 1 TITL 4 ACETYLCHOLINESTERASE REMARK 1 REF BIOCHIM.BIOPHYS.ACTA V.1343 41 1997 REMARK 1 REFN ISSN 0006-3002 REMARK 1 REFERENCE 2 REMARK 1 AUTH X.D.ZHU,G.CUADRA,M.BRUFANI,T.MAGGI,P.G.PAGELLA, REMARK 1 AUTH 2 E.WILLIAMS,E.GIACOBINI REMARK 1 TITL EFFECTS OF MF-268, A NEW CHOLINESTERASE INHIBITOR, REMARK 1 TITL 2 ON ACETYLCHOLINE AND BIOGENIC AMINES IN RAT CORTEX REMARK 1 REF J.NEUROSCI.RES. V. 43 120 1996 REMARK 1 REFN ISSN 0360-4012 REMARK 1 REFERENCE 3 REMARK 1 AUTH M.A.ALISI,M.BRUFANI,L.FILOCAMO,G.GOSTOLI, REMARK 1 AUTH 2 E.LICANDRO,M.C.CESTA,S.LAPPA,D.MARCHESINI,P.PAGELLA REMARK 1 TITL SYNTHESIS AND STRUCTURE-ACTIVITY RELATIONSHIPS OF REMARK 1 TITL 2 NEW ACETYLCHOLINESTERASE INHIBITORS: REMARK 1 TITL 3 MORPHOLINOALKYLCARBAMOYLOXYESEROLINE DERIVATIVES REMARK 1 REF BIOORG.MED.CHEM.LETT. V. 5 2077 1995 REMARK 1 REFN ISSN 0960-894X REMARK 1 REFERENCE 4 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 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 84.7 REMARK 3 NUMBER OF REFLECTIONS : 22426 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) : 0.208 REMARK 3 FREE R VALUE : 0.291 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1096 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 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) : 2.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.86 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 70.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2913 REMARK 3 BIN R VALUE (WORKING SET) : 0.3270 REMARK 3 BIN FREE R VALUE : 0.4140 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 148 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.034 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4205 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 19 REMARK 3 SOLVENT ATOMS : 157 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 42.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.23000 REMARK 3 B22 (A**2) : 2.23000 REMARK 3 B33 (A**2) : -4.47000 REMARK 3 B12 (A**2) : 0.43000 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) : 0.32 REMARK 3 ESD FROM SIGMAA (A) : 0.52 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) : 0.47 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.73 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.30 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.63 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) : 2.550 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.280 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.330 ; 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 : PROTEIN_REP.PARAM 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 1OCE COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JUN-97 REMARK 200 TEMPERATURE (KELVIN) : 120 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ELETTRA REMARK 200 BEAMLINE : 5.2R REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.920 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : TOROIDAL MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24049 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.2 REMARK 200 DATA REDUNDANCY : 2.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.14000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 69.7 REMARK 200 DATA REDUNDANCY IN SHELL : 1.60 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.64800 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 2ACE REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 68.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.98 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.0

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 45.79667 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 91.59333 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 91.59333 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 45.79667 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 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 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 PRO A 485 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 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 HIS A 26 ND1 CD2 CE1 NE2 REMARK 480 ASN A 42 CG OD1 ND2 REMARK 480 ARG A 46 CZ NH1 NH2 REMARK 480 GLU A 89 CD OE1 OE2 REMARK 480 GLN A 162 OE1 NE2 REMARK 480 ARG A 250 CZ NH1 NH2 REMARK 480 ASN A 257 CG OD1 ND2 REMARK 480 GLU A 260 OE1 OE2 REMARK 480 GLU A 268 OE1 OE2 REMARK 480 LYS A 270 CE NZ REMARK 480 GLU A 344 OE1 OE2 REMARK 480 GLU A 350 OE1 OE2 REMARK 480 LYS A 357 NZ REMARK 480 ASP A 365 OD1 OD2 REMARK 480 LYS A 413 CD CE NZ REMARK 480 LYS A 491 CD CE NZ REMARK 480 LYS A 498 CG CD CE NZ REMARK 480 GLU A 499 OE1 OE2 REMARK 480 GLU A 508 CD OE1 OE2 REMARK 480 LYS A 511 CD CE NZ REMARK 480 ARG A 515 CZ NH1 NH2 REMARK 480 GLN A 526 OE1 NE2 REMARK 480 ASN A 533 CG OD1 ND2

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 LEU A 23 73.53 40.29 REMARK 500 PRO A 39 42.07 -76.72 REMARK 500 PHE A 45 -20.29 86.16 REMARK 500 ALA A 60 57.77 -113.34 REMARK 500 GLU A 73 26.46 -143.30 REMARK 500 PHE A 78 114.79 -26.78 REMARK 500 LEU A 95 93.96 -65.26 REMARK 500 SER A 108 84.53 -179.96 REMARK 500 PHE A 120 -1.86 67.41 REMARK 500 TYR A 137 -76.60 -59.54 REMARK 500 GLU A 140 31.12 71.30 REMARK 500 PHE A 155 -3.29 -150.88 REMARK 500 ALA A 157 71.18 -107.96 REMARK 500 ALA A 164 80.80 -151.31 REMARK 500 PRO A 191 -4.52 -54.76 REMARK 500 SER A 200 -118.52 46.69 REMARK 500 ARG A 220 -64.53 -99.41 REMARK 500 ASN A 230 30.35 -88.16 REMARK 500 SER A 291 -79.39 -60.11 REMARK 500 GLU A 299 -74.42 -117.86 REMARK 500 THR A 317 -152.93 -162.06 REMARK 500 SER A 345 51.17 37.46 REMARK 500 VAL A 360 74.15 -112.14 REMARK 500 TRP A 378 7.84 -69.98 REMARK 500 ASP A 380 48.19 -167.97 REMARK 500 ASP A 381 0.60 -56.83 REMARK 500 VAL A 400 -65.49 -129.79 REMARK 500 THR A 412 59.82 -58.29 REMARK 500 LYS A 413 10.07 -169.59 REMARK 500 PHE A 414 -21.01 -159.18 REMARK 500 GLU A 455 -17.53 -36.79 REMARK 500 ASN A 457 87.60 59.48 REMARK 500 LYS A 498 -79.64 -86.98 REMARK 500 GLN A 500 64.61 -69.64 REMARK 500 THR A 507 -3.84 -59.93 REMARK 500 MET A 510 134.12 -35.35 REMARK 500 HIS A 513 -168.06 -117.74 REMARK 500 ARG A 515 65.16 83.37 REMARK 500 ARG A 517 63.11 26.75 REMARK 500 GLN A 526 -54.65 -131.00 REMARK 500 LEU A 532 -9.27 -54.45 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 A 833 DISTANCE = 5.09 ANGSTROMS REMARK 525 HOH A 834 DISTANCE = 6.48 ANGSTROMS REMARK 525 HOH A 917 DISTANCE = 5.07 ANGSTROMS REMARK 525 HOH A 937 DISTANCE = 7.62 ANGSTROMS

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ACTIVE-SITE CATALYTIC TRIAD. REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MF2 A 700

DBREF 1OCE A 1 537 UNP P04058 ACES_TORCA 22 558

SEQRES 1 A 537 ASP ASP HIS SER GLU LEU LEU VAL ASN THR LYS SER GLY SEQRES 2 A 537 LYS VAL MET GLY THR ARG VAL PRO VAL LEU SER SER HIS SEQRES 3 A 537 ILE SER ALA PHE LEU GLY ILE PRO PHE ALA GLU PRO PRO SEQRES 4 A 537 VAL GLY ASN MET ARG PHE ARG ARG PRO GLU PRO LYS LYS SEQRES 5 A 537 PRO TRP SER GLY VAL TRP ASN ALA SER THR TYR PRO ASN SEQRES 6 A 537 ASN CYS GLN GLN TYR VAL ASP GLU GLN PHE PRO GLY PHE SEQRES 7 A 537 SER GLY SER GLU MET TRP ASN PRO ASN ARG GLU MET SER SEQRES 8 A 537 GLU ASP CYS LEU TYR LEU ASN ILE TRP VAL PRO SER PRO SEQRES 9 A 537 ARG PRO LYS SER THR THR VAL MET VAL TRP ILE TYR GLY SEQRES 10 A 537 GLY GLY PHE TYR SER GLY SER SER THR LEU ASP VAL TYR SEQRES 11 A 537 ASN GLY LYS TYR LEU ALA TYR THR GLU GLU VAL VAL LEU SEQRES 12 A 537 VAL SER LEU SER TYR ARG VAL GLY ALA PHE GLY PHE LEU SEQRES 13 A 537 ALA LEU HIS GLY SER GLN GLU ALA PRO GLY ASN VAL GLY SEQRES 14 A 537 LEU LEU ASP GLN ARG MET ALA LEU GLN TRP VAL HIS ASP SEQRES 15 A 537 ASN ILE GLN PHE PHE GLY GLY ASP PRO LYS THR VAL THR SEQRES 16 A 537 ILE PHE GLY GLU SER ALA GLY GLY ALA SER VAL GLY MET SEQRES 17 A 537 HIS ILE LEU SER PRO GLY SER ARG ASP LEU PHE ARG ARG SEQRES 18 A 537 ALA ILE LEU GLN SER GLY SER PRO ASN CYS PRO TRP ALA SEQRES 19 A 537 SER VAL SER VAL ALA GLU GLY ARG ARG ARG ALA VAL GLU SEQRES 20 A 537 LEU GLY ARG ASN LEU ASN CYS ASN LEU ASN SER ASP GLU SEQRES 21 A 537 GLU LEU ILE HIS CYS LEU ARG GLU LYS LYS PRO GLN GLU SEQRES 22 A 537 LEU ILE ASP VAL GLU TRP ASN VAL LEU PRO PHE ASP SER SEQRES 23 A 537 ILE PHE ARG PHE SER PHE VAL PRO VAL ILE ASP GLY GLU SEQRES 24 A 537 PHE PHE PRO THR SER LEU GLU SER MET LEU ASN SER GLY SEQRES 25 A 537 ASN PHE LYS LYS THR GLN ILE LEU LEU GLY VAL ASN LYS SEQRES 26 A 537 ASP GLU GLY SER PHE PHE LEU LEU TYR GLY ALA PRO GLY SEQRES 27 A 537 PHE SER LYS ASP SER GLU SER LYS ILE SER ARG GLU ASP SEQRES 28 A 537 PHE MET SER GLY VAL LYS LEU SER VAL PRO HIS ALA ASN SEQRES 29 A 537 ASP LEU GLY LEU ASP ALA VAL THR LEU GLN TYR THR ASP SEQRES 30 A 537 TRP MET ASP ASP ASN ASN GLY ILE LYS ASN ARG ASP GLY SEQRES 31 A 537 LEU ASP ASP ILE VAL GLY ASP HIS ASN VAL ILE CYS PRO SEQRES 32 A 537 LEU MET HIS PHE VAL ASN LYS TYR THR LYS PHE GLY ASN SEQRES 33 A 537 GLY THR TYR LEU TYR PHE PHE ASN HIS ARG ALA SER ASN SEQRES 34 A 537 LEU VAL TRP PRO GLU TRP MET GLY VAL ILE HIS GLY TYR SEQRES 35 A 537 GLU ILE GLU PHE VAL PHE GLY LEU PRO LEU VAL LYS GLU SEQRES 36 A 537 LEU ASN TYR THR ALA GLU GLU GLU ALA LEU SER ARG ARG SEQRES 37 A 537 ILE MET HIS TYR TRP ALA THR PHE ALA LYS THR GLY ASN SEQRES 38 A 537 PRO ASN GLU PRO HIS SER GLN GLU SER LYS TRP PRO LEU SEQRES 39 A 537 PHE THR THR LYS GLU GLN LYS PHE ILE ASP LEU ASN THR SEQRES 40 A 537 GLU PRO MET LYS VAL HIS GLN ARG LEU ARG VAL GLN MET SEQRES 41 A 537 CYS VAL PHE TRP ASN GLN PHE LEU PRO LYS LEU LEU ASN SEQRES 42 A 537 ALA THR ALA CYS

HET MF2 A 700 19

HETNAM MF2 CIS-2,6-DIMETHYLMORPHOLINOOCTYLCARBAMYLESEROLINE

HETSYN MF2 MF268

FORMUL 2 MF2 C15 H30 N2 O2 FORMUL 3 HOH *157(H2 O)

HELIX 1 1 GLY A 41 MET A 43 5 3 HELIX 2 2 SER A 79 TRP A 84 1 6 HELIX 3 3 ASP A 128 TYR A 130 5 3 HELIX 4 4 LYS A 133 GLU A 139 1 7 HELIX 5 5 ALA A 152 GLY A 154 5 3 HELIX 6 6 VAL A 168 ASN A 183 1 16 HELIX 7 7 SER A 200 LEU A 211 5 12 HELIX 8 8 ARG A 216 LEU A 218 5 3 HELIX 9 9 VAL A 238 ASN A 251 1 14 HELIX 10 10 ASP A 259 GLU A 268 1 10 HELIX 11 11 PRO A 271 ASP A 276 1 6 HELIX 12 12 GLU A 278 VAL A 281 5 4 HELIX 13 13 LEU A 305 ASN A 310 1 6 HELIX 14 14 GLY A 328 LEU A 333 5 6 HELIX 15 15 ARG A 349 SER A 359 1 11 HELIX 16 16 ASP A 365 TYR A 375 1 11 HELIX 17 17 GLY A 384 ASN A 399 1 16 HELIX 18 18 ILE A 401 TYR A 411 1 11 HELIX 19 19 GLU A 434 MET A 436 5 3 HELIX 20 20 ILE A 444 VAL A 447 1 4 HELIX 21 21 LEU A 450 LEU A 452 5 3 HELIX 22 22 LYS A 454 LEU A 456 5 3 HELIX 23 23 ALA A 460 THR A 479 1 20 HELIX 24 24 VAL A 518 TRP A 524 1 7 HELIX 25 25 PHE A 527 LEU A 531 1 5

SHEET 1 A 3 LEU A 7 THR A 10 0 SHEET 2 A 3 GLY A 13 MET A 16 -1 N VAL A 15 O VAL A 8 SHEET 3 A 3 VAL A 57 ASN A 59 1 N TRP A 58 O LYS A 14 SHEET 1 B11 THR A 18 VAL A 22 0 SHEET 2 B11 SER A 25 PHE A 30 -1 N ALA A 29 O THR A 18 SHEET 3 B11 ASN A 98 VAL A 101 -1 N VAL A 101 O SER A 28 SHEET 4 B11 VAL A 142 SER A 145 -1 N SER A 145 O ASN A 98 SHEET 5 B11 VAL A 111 ILE A 115 1 N MET A 112 O VAL A 142 SHEET 6 B11 VAL A 194 GLU A 199 1 N THR A 195 O VAL A 111 SHEET 7 B11 ARG A 221 GLN A 225 1 N ARG A 221 O ILE A 196 SHEET 8 B11 GLN A 318 ASN A 324 1 N LEU A 320 O ALA A 222 SHEET 9 B11 GLY A 417 PHE A 423 1 N GLY A 417 O ILE A 319 SHEET 10 B11 LYS A 501 LEU A 505 1 N ILE A 503 O PHE A 422 SHEET 11 B11 VAL A 512 GLN A 514 -1 N HIS A 513 O 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 2.03

LINK C18 MF2 A 700 OG SER A 200 1555 1555 1.37

CISPEP 1 SER A 103 PRO A 104 0 0.14

SITE 1 ACT 3 SER A 200 HIS A 440 GLU A 327 SITE 1 AC1 10 TYR A 70 GLY A 118 GLY A 119 TYR A 121 SITE 2 AC1 10 SER A 200 ALA A 201 PHE A 330 PHE A 331 SITE 3 AC1 10 TYR A 334 HIS A 440

CRYST1 111.496 111.496 137.390 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 0.008969 0.005178 0.000000 0.00000

SCALE2 0.000000 0.010356 0.000000 0.00000

SCALE3 0.000000 0.000000 0.007279 0.00000