HEADER DNA INTEGRATION 10-JUN-98 1BHL TITLE CACODYLATED CATALYTIC DOMAIN OF HIV-1 INTEGRASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HIV-1 INTEGRASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC CORE DOMAIN, RESIDUES 50 - 212; COMPND 5 EC: 2.7.7.49; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 OTHER_DETAILS: RESIDUES CAS 65 AND CAS 130 ARE CACODYLATED CYSTEINES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1; SOURCE 3 ORGANISM_TAXID: 11676; SOURCE 4 CELL_LINE: BL21; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET-15B; SOURCE 9 OTHER_DETAILS: EXPRESSION CLONE FOR CORE, REFER TO PNAS USA, VOL. SOURCE 10 90, PP. 3428-3432, APRIL 1993, AND PNAS USA 92, PP. 6057-6061, JUNE SOURCE 11 1995 KEYWDS DNA INTEGRATION, AIDS, POLYPROTEIN, HYDROLASE, ENDONUCLEASE, KEYWDS 2 POLYNUCLEOTIDYL TRANSFERASE, DNA BINDING (VIRAL) EXPDTA X-RAY DIFFRACTION AUTHOR S.MAIGNAN,J.P.GUILLOTEAU,Q.ZHOU-LIU,C.CLEMENT-MELLA,V.MIKOL REVDAT 6 02-AUG-23 1BHL 1 REMARK REVDAT 5 03-NOV-21 1BHL 1 SEQADV LINK REVDAT 4 13-JUL-11 1BHL 1 VERSN REVDAT 3 24-FEB-09 1BHL 1 VERSN REVDAT 2 28-OCT-98 1BHL 1 REMARK REVDAT 1 14-OCT-98 1BHL 0 JRNL AUTH S.MAIGNAN,J.P.GUILLOTEAU,Q.ZHOU-LIU,C.CLEMENT-MELLA,V.MIKOL JRNL TITL CRYSTAL STRUCTURES OF THE CATALYTIC DOMAIN OF HIV-1 JRNL TITL 2 INTEGRASE FREE AND COMPLEXED WITH ITS METAL COFACTOR: HIGH JRNL TITL 3 LEVEL OF SIMILARITY OF THE ACTIVE SITE WITH OTHER VIRAL JRNL TITL 4 INTEGRASES. JRNL REF J.MOL.BIOL. V. 282 359 1998 JRNL REFN ISSN 0022-2836 JRNL PMID 9735293 JRNL DOI 10.1006/JMBI.1998.2002 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH F.DYDA,A.B.HICKMAN,T.M.JENKINS,A.ENGELMAN,R.CRAIGIE, REMARK 1 AUTH 2 D.R.DAVIES REMARK 1 TITL CRYSTAL STRUCTURE OF THE CATALYTIC DOMAIN OF HIV-1 REMARK 1 TITL 2 INTEGRASE: SIMILARITY TO OTHER POLYNUCLEOTIDYL TRANSFERASES REMARK 1 REF SCIENCE V. 266 1981 1994 REMARK 1 REFN ISSN 0036-8075 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.5 REMARK 3 NUMBER OF REFLECTIONS : 10074 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) : 0.224 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.000 REMARK 3 FREE R VALUE TEST SET COUNT : 729 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.30 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1079 REMARK 3 BIN R VALUE (WORKING SET) : 0.2024 REMARK 3 BIN FREE R VALUE : 0.2714 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 83 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1048 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 53 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.95 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 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 1BHL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171766. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-AUG-96 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 6.5 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 : ENRAF-NONIUS FR591 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : DOUBLE FOCUSING MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10359 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : 0.04300 REMARK 200 FOR THE DATA SET : 8.0000 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) : 2.25 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : 0.15300 REMARK 200 R SYM FOR SHELL (I) : 0.15300 REMARK 200 FOR SHELL : 7.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.851 REMARK 200 STARTING MODEL: PDB ENTRY 1ITG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 3-9% PEG 8000, 0.4M AMMONIUM SULFATE, REMARK 280 0.1M SODIUM CACODYLATE PH 6.5 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 21.93333 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 43.86667 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 43.86667 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 21.93333 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 2500 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12980 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 KCAL/MOL 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 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 21.93333 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 GLU A 138 REMARK 465 PHE A 139 REMARK 465 GLY A 140 REMARK 465 ILE A 141 REMARK 465 PRO A 142 REMARK 465 TYR A 143 REMARK 465 ASN A 144 REMARK 465 PRO A 145 REMARK 465 GLN A 146 REMARK 465 SER A 147 REMARK 465 GLN A 148 REMARK 465 GLY A 149 REMARK 465 VAL A 150 REMARK 465 ILE A 151 REMARK 465 GLU A 152 REMARK 465 SER A 153 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 GLY A 189 REMARK 475 GLY A 190 REMARK 475 ILE A 191 REMARK 475 GLY A 192 REMARK 475 GLY A 193 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 LYS A 71 CG CD CE NZ REMARK 480 GLN A 95 CG CD OE1 NE2 REMARK 480 LYS A 111 CD CE NZ REMARK 480 ASN A 155 CG OD1 ND2 REMARK 480 LYS A 156 CG CD CE NZ REMARK 480 GLU A 170 CB CG CD OE1 OE2 REMARK 480 LYS A 186 CD CE NZ REMARK 480 ARG A 187 CG CD NE CZ NH1 NH2 REMARK 480 LYS A 188 CD CE NZ REMARK 480 TYR A 194 CG CD1 CD2 CE1 CE2 CZ OH 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 O HOH A 209 O HOH A 258 2.13 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 LYS A 188 -9.27 -57.97 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ACTIVE SITE. DBREF 1BHL A 57 207 UNP P12497 POL_HV1N5 772 922 SEQADV 1BHL CAS A 65 UNP P12497 CYS 780 MODIFIED RESIDUE SEQADV 1BHL CAS A 130 UNP P12497 CYS 845 MODIFIED RESIDUE SEQADV 1BHL HIS A 185 UNP P12497 PHE 900 ENGINEERED MUTATION SEQRES 1 A 151 SER PRO GLY ILE TRP GLN LEU ASP CAS THR HIS LEU GLU SEQRES 2 A 151 GLY LYS VAL ILE LEU VAL ALA VAL HIS VAL ALA SER GLY SEQRES 3 A 151 TYR ILE GLU ALA GLU VAL ILE PRO ALA GLU THR GLY GLN SEQRES 4 A 151 GLU THR ALA TYR PHE LEU LEU LYS LEU ALA GLY ARG TRP SEQRES 5 A 151 PRO VAL LYS THR VAL HIS THR ASP ASN GLY SER ASN PHE SEQRES 6 A 151 THR SER THR THR VAL LYS ALA ALA CAS TRP TRP ALA GLY SEQRES 7 A 151 ILE LYS GLN GLU PHE GLY ILE PRO TYR ASN PRO GLN SER SEQRES 8 A 151 GLN GLY VAL ILE GLU SER MET ASN LYS GLU LEU LYS LYS SEQRES 9 A 151 ILE ILE GLY GLN VAL ARG ASP GLN ALA GLU HIS LEU LYS SEQRES 10 A 151 THR ALA VAL GLN MET ALA VAL PHE ILE HIS ASN HIS LYS SEQRES 11 A 151 ARG LYS GLY GLY ILE GLY GLY TYR SER ALA GLY GLU ARG SEQRES 12 A 151 ILE VAL ASP ILE ILE ALA THR ASP MODRES 1BHL CAS A 65 CYS S-(DIMETHYLARSENIC)CYSTEINE MODRES 1BHL CAS A 130 CYS S-(DIMETHYLARSENIC)CYSTEINE HET CAS A 65 9 HET CAS A 130 9 HETNAM CAS S-(DIMETHYLARSENIC)CYSTEINE FORMUL 1 CAS 2(C5 H12 AS N O2 S) FORMUL 2 HOH *53(H2 O) HELIX 1 1 GLY A 94 ALA A 105 1 12 HELIX 2 2 GLY A 118 PHE A 121 5 4 HELIX 3 3 THR A 124 TRP A 132 1 9 HELIX 4 4 ASN A 155 VAL A 165 1 11 HELIX 5 5 LEU A 172 HIS A 185 1 14 HELIX 6 6 ALA A 196 ALA A 205 1 10 SHEET 1 A 4 THR A 112 HIS A 114 0 SHEET 2 A 4 ILE A 60 ASP A 64 1 N TRP A 61 O THR A 112 SHEET 3 A 4 VAL A 72 HIS A 78 -1 N VAL A 77 O GLN A 62 SHEET 4 A 4 TYR A 83 ILE A 89 -1 N ILE A 89 O VAL A 72 LINK C ASP A 64 N CAS A 65 1555 1555 1.32 LINK C CAS A 65 N THR A 66 1555 1555 1.32 LINK C ALA A 129 N CAS A 130 1555 1555 1.34 LINK C CAS A 130 N TRP A 131 1555 1555 1.33 SITE 1 ACT 2 ASP A 64 ASP A 116 CRYST1 72.500 72.500 65.800 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 0.013793 0.007963 0.000000 0.00000 SCALE2 0.000000 0.015927 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015198 0.00000