PDB Short entry for 1VSK HEADER HYDROLASE 18-SEP-98 1VSK TITLE ASV INTEGRASE CORE DOMAIN D64N MUTATION IN CITRATE BUFFER PH 6.0 COMPND MOL_ID: 1; COMPND 2 MOLECULE: 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; COMPND 8 OTHER_DETAILS: P03354 FRAGMENT OF POLYPROTEIN POL-RSVP SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ROUS SARCOMA VIRUS - SCHMIDT-RUPPIN B; SOURCE 3 ORGANISM_TAXID: 269447; SOURCE 4 STRAIN: SCHMIDT-RUPPIN B; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PRC23IN(52-207) KEYWDS HYDROLASE, ENDONUCLEASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR J.LUBKOWSKI,F.YANG,J.ALEXANDRATOS,A.WLODAWER REVDAT 5 09-AUG-23 1VSK 1 REMARK REVDAT 4 03-NOV-21 1VSK 1 SEQADV REVDAT 3 24-FEB-09 1VSK 1 VERSN REVDAT 2 16-FEB-99 1VSK 1 SOURCE COMPND REMARK JRNL REVDAT 1 02-DEC-98 1VSK 0 JRNL AUTH J.LUBKOWSKI,F.YANG,J.ALEXANDRATOS,G.MERKEL,R.A.KATZ, JRNL AUTH 2 K.GRAVUER,A.M.SKALKA,A.WLODAWER JRNL TITL STRUCTURAL BASIS FOR INACTIVATING MUTATIONS AND PH-DEPENDENT JRNL TITL 2 ACTIVITY OF AVIAN SARCOMA VIRUS INTEGRASE. JRNL REF J.BIOL.CHEM. V. 273 32685 1998 JRNL REFN ISSN 0021-9258 JRNL PMID 9830010 JRNL DOI 10.1074/JBC.273.49.32685 REMARK 2 REMARK 2 RESOLUTION. 2.20 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 88.1 REMARK 3 NUMBER OF REFLECTIONS : 8372 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.159 REMARK 3 FREE R VALUE : 0.249 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 841 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) (%) : 78.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 812 REMARK 3 BIN R VALUE (WORKING SET) : 0.2210 REMARK 3 BIN FREE R VALUE : 0.2560 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.94 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 105 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 : 1125 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 106 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.80 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) : 0.00 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) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : 1.840 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.280 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 : PARHCSDX_FY.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOLV REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX_FY.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOLV REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 ATOMIC OCCUPANCIES OF DISORDERED ATOMS ARE SET TO ZERO IN REMARK 3 COORDINATES REMARK 4 REMARK 4 1VSK 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_1000177117. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 31-OCT-97 REMARK 200 TEMPERATURE (KELVIN) : 295 REMARK 200 PH : 5.6 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 : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAC SCIENCE DIP-2000 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10132 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 200 DATA REDUNDANCY : 8.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07700 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 20.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.21 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.41500 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1ASV REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 4000, 10% ISOPROPANOL, 0.1M NA REMARK 280 CITRATE PH 5.6 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 39.82550 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 33.57950 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 33.57950 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 59.73825 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 33.57950 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 33.57950 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 19.91275 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 33.57950 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 33.57950 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 59.73825 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 33.57950 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 33.57950 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 19.91275 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 39.82550 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 300 REMARK: THE BIOLOGICAL UNIT IS NOT YET KNOWN. THE MINIMUM REMARK 300 MULTIMER IS BELIEVED TO CONTAIN AT LEAST THIS DIMER, REMARK 300 SHOWN IN BOTH HIV-1 AND ASV INTEGRASE CORE DOMAIN REMARK 300 STRUCTURES. 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 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 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 79.65100 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 HIS A 142 CG HIS A 142 CD2 0.058 REMARK 500 HIS A 198 CG HIS A 198 CD2 0.098 REMARK 500 REMARK 500 REMARK: NULL 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 HIS A 93 CE1 - NE2 - CD2 ANGL. DEV. = 5.9 DEGREES REMARK 500 HIS A 104 CE1 - NE2 - CD2 ANGL. DEV. = 4.7 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 LEU A 55 -33.08 -144.10 REMARK 500 THR A 144 -168.98 -108.68 REMARK 500 PRO A 147 137.32 -39.17 REMARK 500 ASN A 149 107.92 -43.21 REMARK 500 GLN A 151 -73.95 -33.14 REMARK 500 LYS A 178 -111.65 -116.03 REMARK 500 HIS A 198 58.09 -97.42 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ACTIVE SITE. REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE APPARENT DISCREPANCY BETWEEN THE SEQUENCE PRESENTED REMARK 999 HERE AND THE "POL_RSVP" SEQUENCE IS A RESULT OF VIRAL REMARK 999 STRAIN VARIATION. THE STRAIN USED FOR THIS WORK, ROUS REMARK 999 SARCOMA VIRUS SCHMIDT-RUPPIN B, COMPARED TO "POL-RSVP" REMARK 999 SEQUENCE DIFFERS AT TWO POSITIONS WITH THE CONSERVATIVE REMARK 999 AMINO ACID RESIDUE DIFFERENCES NOTED (VAL->ALA 101 AND REMARK 999 ARG-> LYS 166). MUTATION D64N ENGINEERED FOR THIS STUDY. REMARK 999 REMARK 999 ALA 101, VIRAL STRAIN DIFFERENCES REMARK 999 LYS 166, VIRAL STRAIN DIFFERENCES REMARK 999 ASN 64, ENGINEERED MUTATION FOR THIS STUDY DBREF 1VSK A 54 199 UNP P03354 POL_RSVP 626 771 SEQADV 1VSK ASN A 64 UNP P03354 ASP 636 ENGINEERED MUTATION SEQADV 1VSK ALA A 101 UNP P03354 VAL 673 VARIANT SEQADV 1VSK LYS A 166 UNP P03354 ARG 738 VARIANT SEQRES 1 A 146 GLY LEU GLY PRO LEU GLN ILE TRP GLN THR ASN PHE THR SEQRES 2 A 146 LEU GLU PRO ARG MET ALA PRO ARG SER TRP LEU ALA VAL SEQRES 3 A 146 THR VAL ASP THR ALA SER SER ALA ILE VAL VAL THR GLN SEQRES 4 A 146 HIS GLY ARG VAL THR SER VAL ALA ALA GLN HIS HIS TRP SEQRES 5 A 146 ALA THR ALA ILE ALA VAL LEU GLY ARG PRO LYS ALA ILE SEQRES 6 A 146 LYS THR ASP ASN GLY SER CYS PHE THR SER LYS SER THR SEQRES 7 A 146 ARG GLU TRP LEU ALA ARG TRP GLY ILE ALA HIS THR THR SEQRES 8 A 146 GLY ILE PRO GLY ASN SER GLN GLY GLN ALA MET VAL GLU SEQRES 9 A 146 ARG ALA ASN ARG LEU LEU LYS ASP LYS ILE ARG VAL LEU SEQRES 10 A 146 ALA GLU GLY ASP GLY PHE MET LYS ARG ILE PRO THR SER SEQRES 11 A 146 LYS GLN GLY GLU LEU LEU ALA LYS ALA MET TYR ALA LEU SEQRES 12 A 146 ASN HIS PHE FORMUL 2 HOH *106(H2 O) HELIX 1 1 PRO A 69 MET A 71 5 3 HELIX 2 2 SER A 98 LEU A 112 1 15 HELIX 3 3 SER A 124 THR A 127 1 4 HELIX 4 4 LYS A 129 TRP A 138 1 10 HELIX 5 5 SER A 150 ASP A 174 1 25 HELIX 6 6 THR A 182 ASN A 197 1 16 SHEET 1 A 5 ILE A 88 HIS A 93 0 SHEET 2 A 5 TRP A 76 ASP A 82 -1 N THR A 80 O VAL A 89 SHEET 3 A 5 ILE A 60 LEU A 67 -1 N THR A 66 O LEU A 77 SHEET 4 A 5 ALA A 117 LYS A 119 1 N ALA A 117 O TRP A 61 SHEET 5 A 5 ALA A 141 THR A 143 1 N ALA A 141 O ILE A 118 CISPEP 1 ALA A 72 PRO A 73 0 11.37 SITE 1 ACT 3 ASN A 64 ASP A 121 GLU A 157 CRYST1 67.159 67.159 79.651 90.00 90.00 90.00 P 43 21 2 8 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 0.014890 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014890 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012555 0.00000