HEADER TRANSFERASE 19-FEB-99 1B92 TITLE MOBILITY OF AN HIV-1 INTEGRASE ACTIVE SITE LOOP IS CORRELATED WITH TITLE 2 CATALYTIC ACTIVITY COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (INTEGRASE); COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC CORE DOMAIN; COMPND 5 EC: 2.7.7.49; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS; SOURCE 3 ORGANISM_TAXID: 11676; SOURCE 4 STRAIN: 1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VARIANT: DE3; SOURCE 9 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM; SOURCE 10 EXPRESSION_SYSTEM_VECTOR: PET28 KEYWDS DNA INTEGRATION, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR J.GREENWALD,V.LE,S.L.BUTLER,F.D.BUSHMAN,S.CHOE REVDAT 6 09-AUG-23 1B92 1 REMARK SEQADV REVDAT 5 14-MAR-18 1B92 1 SEQADV REVDAT 4 13-JUL-11 1B92 1 VERSN REVDAT 3 24-FEB-09 1B92 1 VERSN REVDAT 2 01-MAY-00 1B92 1 DBREF SEQADV REMARK REVDAT 1 19-JUL-99 1B92 0 JRNL AUTH J.GREENWALD,V.LE,S.L.BUTLER,F.D.BUSHMAN,S.CHOE JRNL TITL THE MOBILITY OF AN HIV-1 INTEGRASE ACTIVE SITE LOOP IS JRNL TITL 2 CORRELATED WITH CATALYTIC ACTIVITY. JRNL REF BIOCHEMISTRY V. 38 8892 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 10413462 JRNL DOI 10.1021/BI9907173 REMARK 2 REMARK 2 RESOLUTION. 2.02 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.02 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 12346 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 + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.225 REMARK 3 FREE R VALUE : 0.289 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 654 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1092 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 13 REMARK 3 SOLVENT ATOMS : 100 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.20 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.290 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.010 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.028 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.030 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1B92 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-FEB-99. REMARK 100 THE DEPOSITION ID IS D_1000000504. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : MAY-98 REMARK 200 TEMPERATURE (KELVIN) : 100 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 : MACSCIENCE REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL 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 : 13085 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.030 REMARK 200 RESOLUTION RANGE LOW (A) : 24.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 4.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.03200 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: CCP4 REMARK 200 STARTING MODEL: 1B9D REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.76 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 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 21.86667 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 43.73333 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 43.73333 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 21.86667 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 4480 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12940 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -34.0 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 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 MET A 50 REMARK 465 HIS A 51 REMARK 465 GLY A 52 REMARK 465 GLN A 53 REMARK 465 VAL A 54 REMARK 465 ASP A 55 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 190 REMARK 465 ILE A 191 REMARK 465 GLY A 192 REMARK 465 LYS A 211 REMARK 465 GLU A 212 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 CYS A 56 SG REMARK 470 LYS A 111 CG CD CE NZ REMARK 470 VAL A 150 CG1 CG2 REMARK 470 SER A 153 OG REMARK 470 LYS A 156 CG CD CE NZ REMARK 470 ASP A 167 CG OD1 OD2 REMARK 470 GLU A 170 CG CD OE1 OE2 REMARK 470 THR A 210 OG1 CG2 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 ARG A 107 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ASN A 120 CA - CB - CG ANGL. DEV. = 13.9 DEGREES REMARK 500 CYS A 130 CA - CB - SG ANGL. DEV. = -11.2 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 LYS A 188 75.91 -117.15 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 GLU A 138 -10.53 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THE CAC RESIDUE IS A MODIFIED CACODYLATE REMARK 600 WHERE THE SULFUR OF A CYS RESIDUE HAS REMARK 600 REPLACED THE OH OF CACODYLIC ACID. REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CAC A 300 AS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 65 SG REMARK 620 2 CAC A 300 O1 117.0 REMARK 620 3 CAC A 300 C1 107.9 120.9 REMARK 620 4 CAC A 300 C2 105.3 112.8 88.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CAC A 400 AS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 130 SG REMARK 620 2 CAC A 400 O1 102.1 REMARK 620 3 CAC A 400 C1 105.4 118.5 REMARK 620 4 CAC A 400 C2 110.7 126.3 92.6 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAC A 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAC A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1 REMARK 999 REMARK 999 SEQUENCE REMARK 999 PDB SEQUENCE IS SINGLE DOMAIN OF REMARK 999 POL_HV1N5 ENTRY. THERE ARE ALSO TWO REMARK 999 POINT MUTATIONS OF F185K, G149A DBREF 1B92 A 50 212 UNP P12497 POL_HV1N5 765 927 SEQADV 1B92 ALA A 149 UNP P12497 GLY 864 ENGINEERED MUTATION SEQADV 1B92 LYS A 185 UNP P12497 PHE 900 ENGINEERED MUTATION SEQRES 1 A 163 MET HIS GLY GLN VAL ASP CYS SER PRO GLY ILE TRP GLN SEQRES 2 A 163 LEU ASP CYS THR HIS LEU GLU GLY LYS VAL ILE LEU VAL SEQRES 3 A 163 ALA VAL HIS VAL ALA SER GLY TYR ILE GLU ALA GLU VAL SEQRES 4 A 163 ILE PRO ALA GLU THR GLY GLN GLU THR ALA TYR PHE LEU SEQRES 5 A 163 LEU LYS LEU ALA GLY ARG TRP PRO VAL LYS THR VAL HIS SEQRES 6 A 163 THR ASP ASN GLY SER ASN PHE THR SER THR THR VAL LYS SEQRES 7 A 163 ALA ALA CYS TRP TRP ALA GLY ILE LYS GLN GLU PHE GLY SEQRES 8 A 163 ILE PRO TYR ASN PRO GLN SER GLN ALA VAL ILE GLU SER SEQRES 9 A 163 MET ASN LYS GLU LEU LYS LYS ILE ILE GLY GLN VAL ARG SEQRES 10 A 163 ASP GLN ALA GLU HIS LEU LYS THR ALA VAL GLN MET ALA SEQRES 11 A 163 VAL PHE ILE HIS ASN LYS LYS ARG LYS GLY GLY ILE GLY SEQRES 12 A 163 GLY TYR SER ALA GLY GLU ARG ILE VAL ASP ILE ILE ALA SEQRES 13 A 163 THR ASP ILE GLN THR LYS GLU HET CAC A 300 4 HET CAC A 400 4 HET SO4 A 1 5 HETNAM CAC CACODYLATE ION HETNAM SO4 SULFATE ION HETSYN CAC DIMETHYLARSINATE FORMUL 2 CAC 2(C2 H6 AS O2 1-) FORMUL 4 SO4 O4 S 2- FORMUL 5 HOH *100(H2 O) HELIX 1 1 GLY A 94 ARG A 107 1 14 HELIX 2 2 GLY A 118 PHE A 121 5 4 HELIX 3 3 THR A 124 ALA A 133 1 10 HELIX 4 4 VAL A 150 GLN A 168 1 19 HELIX 5 5 LEU A 172 LYS A 185 1 14 HELIX 6 6 ALA A 196 ILE A 208 1 13 SHEET 1 A 4 THR A 112 HIS A 114 0 SHEET 2 A 4 ILE A 60 LEU A 68 1 N TRP A 61 O THR A 112 SHEET 3 A 4 LYS A 71 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 SG CYS A 65 AS CAC A 300 1555 1555 2.28 LINK SG CYS A 130 AS CAC A 400 1555 1555 2.30 SITE 1 AC1 6 CYS A 65 THR A 97 ASN A 120 HOH A 406 SITE 2 AC1 6 HOH A 407 HOH A 439 SITE 1 AC2 6 PHE A 121 VAL A 126 CYS A 130 ILE A 135 SITE 2 AC2 6 LYS A 136 GLN A 137 SITE 1 AC3 6 LYS A 71 ARG A 166 HIS A 171 LEU A 172 SITE 2 AC3 6 HOH A 452 HOH A 474 CRYST1 72.260 72.260 65.600 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 0.013839 0.007990 0.000000 0.00000 SCALE2 0.000000 0.015980 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015244 0.00000