HEADER PHOSPHORIBOSYLTRANSFERASE 15-OCT-96 1NUL TITLE XPRTASE FROM E. COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: XANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: XPRT; COMPND 5 EC: 2.4.2.22 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562 KEYWDS PHOSPHORIBOSYLTRANSFERASE, TRANSFERASE, PURINE SALVAGE ENZYME EXPDTA X-RAY DIFFRACTION AUTHOR S.VOS,J.DE JERSEY,J.L.MARTIN REVDAT 5 14-FEB-24 1NUL 1 REMARK LINK REVDAT 4 16-NOV-11 1NUL 1 HETATM REVDAT 3 13-JUL-11 1NUL 1 VERSN REVDAT 2 24-FEB-09 1NUL 1 VERSN REVDAT 1 15-MAY-97 1NUL 0 JRNL AUTH S.VOS,J.DE JERSEY,J.L.MARTIN JRNL TITL CRYSTAL STRUCTURE OF ESCHERICHIA COLI XANTHINE JRNL TITL 2 PHOSPHORIBOSYLTRANSFERASE. JRNL REF BIOCHEMISTRY V. 36 4125 1997 JRNL REFN ISSN 0006-2960 JRNL PMID 9100006 JRNL DOI 10.1021/BI962640D REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.VOS,J.DE JERSEY,J.L.MARTIN REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY CRYSTALLOGRAPHIC REMARK 1 TITL 2 STUDIES OF ESCHERICHIA COLI XANTHINE REMARK 1 TITL 3 PHOSPHORIBOSYLTRANSFERASE REMARK 1 REF J.STRUCT.BIOL. V. 116 330 1996 REMARK 1 REFN ISSN 1047-8477 REMARK 2 REMARK 2 RESOLUTION. 1.80 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1644.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 16.6000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.8 REMARK 3 NUMBER OF REFLECTIONS : 25198 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) : 0.192 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2495 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.90 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 81.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3290 REMARK 3 BIN R VALUE (WORKING SET) : 0.3120 REMARK 3 BIN FREE R VALUE : 0.3660 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 370 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.019 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2127 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 212 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 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) : 0.24 REMARK 3 ESD FROM SIGMAA (A) : 0.29 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) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.370 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.190 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) : 2.140 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.380 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.260 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.260 ; 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : MO5.PAR REMARK 3 PARAMETER FILE 4 : CIS_PEP.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : MO5.TOP REMARK 3 TOPOLOGY FILE 4 : COMBINE.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1NUL 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_1000175403. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : MAY-95 REMARK 200 TEMPERATURE (KELVIN) : 289 REMARK 200 PH : 8.0 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 : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : PROCESS (HIGASHI) REMARK 200 DATA SCALING SOFTWARE : PROCESS (HIGASHI) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25622 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 53.200 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : 0.06000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 14.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 84.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.40 REMARK 200 R MERGE FOR SHELL (I) : 0.26300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MULTIPLE ISOMORPHOUS REMARK 200 REPLACEMENT REMARK 200 SOFTWARE USED: PHASES, X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: XPRT WAS CRYSTALLISED FROM 18 - 23% REMARK 280 PEG 4000, 0.1 M LI2SO4 IN 0.1 M TRIS-HCL, PH 8., PH 8.0 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z REMARK 290 4555 X+1/2,-Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 29.60000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 46.35000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.60000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 46.35000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 12190 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21210 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -136.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 -1.000000 0.000000 0.000000 59.20000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 951 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 950 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 952 LIES ON A SPECIAL POSITION. 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 1 REMARK 465 SER A 2 REMARK 465 TYR A 63 REMARK 465 ASP A 64 REMARK 465 HIS A 65 REMARK 465 ASP A 66 REMARK 465 ASN A 67 REMARK 465 GLN A 68 REMARK 465 ARG A 69 REMARK 465 GLU A 70 REMARK 465 MET B 1 REMARK 465 SER B 2 REMARK 465 SER B 61 REMARK 465 SER B 62 REMARK 465 TYR B 63 REMARK 465 ASP B 64 REMARK 465 HIS B 65 REMARK 465 ASP B 66 REMARK 465 ASN B 67 REMARK 465 GLN B 68 REMARK 465 ARG B 69 REMARK 465 GLU B 70 REMARK 465 LEU B 71 REMARK 465 LYS B 72 REMARK 465 GLY B 94 REMARK 465 GLY B 95 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 GLU A 3 CG CD OE1 OE2 REMARK 470 LYS A 4 CE NZ REMARK 470 GLU A 27 CG CD OE1 OE2 REMARK 470 LYS A 30 CD CE NZ REMARK 470 SER A 62 OG REMARK 470 LYS A 72 CD CE NZ REMARK 470 GLU A 78 CG CD OE1 OE2 REMARK 470 LYS A 106 CE NZ REMARK 470 TRP A 134 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP A 134 CZ3 CH2 REMARK 470 GLU B 3 CG CD OE1 OE2 REMARK 470 LYS B 4 CE NZ REMARK 470 LYS B 18 CG CD CE NZ REMARK 470 ARG B 53 NE CZ NH1 NH2 REMARK 470 THR B 93 OG1 CG2 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 ASP B 92 -136.58 -111.29 REMARK 500 REMARK 500 REMARK: NULL 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 MG A 502 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 89 OD1 REMARK 620 2 HOH A 960 O 99.3 REMARK 620 3 HOH A 961 O 91.3 168.9 REMARK 620 4 HOH A 962 O 103.1 93.0 81.4 REMARK 620 5 HOH A 963 O 97.4 93.4 88.4 157.2 REMARK 620 6 HOH A 964 O 170.8 88.0 81.7 81.9 76.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 89 OD1 REMARK 620 2 HOH B 955 O 93.5 REMARK 620 3 HOH B 956 O 92.0 166.2 REMARK 620 4 HOH B 957 O 102.9 93.4 97.7 REMARK 620 5 HOH B 958 O 96.8 82.8 83.9 160.1 REMARK 620 6 HOH B 959 O 171.6 82.0 94.0 70.4 89.7 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 502 DBREF 1NUL A 1 152 UNP P0A9M5 XGPT_ECOLI 1 152 DBREF 1NUL B 1 152 UNP P0A9M5 XGPT_ECOLI 1 152 SEQRES 1 A 152 MET SER GLU LYS TYR ILE VAL THR TRP ASP MET LEU GLN SEQRES 2 A 152 ILE HIS ALA ARG LYS LEU ALA SER ARG LEU MET PRO SER SEQRES 3 A 152 GLU GLN TRP LYS GLY ILE ILE ALA VAL SER ARG GLY GLY SEQRES 4 A 152 LEU VAL PRO GLY ALA LEU LEU ALA ARG GLU LEU GLY ILE SEQRES 5 A 152 ARG HIS VAL ASP THR VAL CYS ILE SER SER TYR ASP HIS SEQRES 6 A 152 ASP ASN GLN ARG GLU LEU LYS VAL LEU LYS ARG ALA GLU SEQRES 7 A 152 GLY ASP GLY GLU GLY PHE ILE VAL ILE ASP ASP LEU VAL SEQRES 8 A 152 ASP THR GLY GLY THR ALA VAL ALA ILE ARG GLU MET TYR SEQRES 9 A 152 PRO LYS ALA HIS PHE VAL THR ILE PHE ALA LYS PRO ALA SEQRES 10 A 152 GLY ARG PRO LEU VAL ASP ASP TYR VAL VAL ASP ILE PRO SEQRES 11 A 152 GLN ASP THR TRP ILE GLU GLN PRO TRP ASP MET GLY VAL SEQRES 12 A 152 VAL PHE VAL PRO PRO ILE SER GLY ARG SEQRES 1 B 152 MET SER GLU LYS TYR ILE VAL THR TRP ASP MET LEU GLN SEQRES 2 B 152 ILE HIS ALA ARG LYS LEU ALA SER ARG LEU MET PRO SER SEQRES 3 B 152 GLU GLN TRP LYS GLY ILE ILE ALA VAL SER ARG GLY GLY SEQRES 4 B 152 LEU VAL PRO GLY ALA LEU LEU ALA ARG GLU LEU GLY ILE SEQRES 5 B 152 ARG HIS VAL ASP THR VAL CYS ILE SER SER TYR ASP HIS SEQRES 6 B 152 ASP ASN GLN ARG GLU LEU LYS VAL LEU LYS ARG ALA GLU SEQRES 7 B 152 GLY ASP GLY GLU GLY PHE ILE VAL ILE ASP ASP LEU VAL SEQRES 8 B 152 ASP THR GLY GLY THR ALA VAL ALA ILE ARG GLU MET TYR SEQRES 9 B 152 PRO LYS ALA HIS PHE VAL THR ILE PHE ALA LYS PRO ALA SEQRES 10 B 152 GLY ARG PRO LEU VAL ASP ASP TYR VAL VAL ASP ILE PRO SEQRES 11 B 152 GLN ASP THR TRP ILE GLU GLN PRO TRP ASP MET GLY VAL SEQRES 12 B 152 VAL PHE VAL PRO PRO ILE SER GLY ARG HET SO4 A 302 5 HET MG A 502 1 HET SO4 B 301 5 HET MG B 501 1 HETNAM SO4 SULFATE ION HETNAM MG MAGNESIUM ION FORMUL 3 SO4 2(O4 S 2-) FORMUL 4 MG 2(MG 2+) FORMUL 7 HOH *212(H2 O) HELIX 1 1 TRP A 9 LEU A 23 1 15 HELIX 2 2 SER A 26 GLN A 28 5 3 HELIX 3 3 GLY A 38 LEU A 50 1 13 HELIX 4 4 ALA A 97 MET A 103 1 7 HELIX 5 5 PRO A 116 LEU A 121 5 6 HELIX 6 6 PRO A 138 ASP A 140 1 3 HELIX 7 7 TRP B 9 LEU B 23 1 15 HELIX 8 8 SER B 26 GLN B 28 5 3 HELIX 9 9 GLY B 38 LEU B 50 1 13 HELIX 10 10 ALA B 97 MET B 103 1 7 HELIX 11 11 ARG B 119 LEU B 121 5 3 HELIX 12 12 PRO B 138 ASP B 140 5 3 SHEET 1 A 2 LYS A 4 ILE A 6 0 SHEET 2 A 2 TRP A 134 GLU A 136 1 N TRP A 134 O TYR A 5 SHEET 1 B 4 VAL A 55 CYS A 59 0 SHEET 2 B 4 GLY A 31 SER A 36 1 N ILE A 32 O ASP A 56 SHEET 3 B 4 PHE A 84 ASP A 88 1 N ILE A 85 O GLY A 31 SHEET 4 B 4 HIS A 108 THR A 111 1 N HIS A 108 O VAL A 86 SHEET 1 C 2 PHE A 113 LYS A 115 0 SHEET 2 C 2 VAL A 127 ILE A 129 1 N VAL A 127 O ALA A 114 SHEET 1 D 4 VAL B 55 VAL B 58 0 SHEET 2 D 4 GLY B 31 VAL B 35 1 N ILE B 32 O ASP B 56 SHEET 3 D 4 PHE B 84 ASP B 88 1 N ILE B 85 O GLY B 31 SHEET 4 D 4 HIS B 108 THR B 111 1 N HIS B 108 O VAL B 86 SHEET 1 E 2 PHE B 113 LYS B 115 0 SHEET 2 E 2 VAL B 127 ILE B 129 1 N VAL B 127 O ALA B 114 LINK OD1 ASP A 89 MG MG A 502 1555 1555 2.29 LINK MG MG A 502 O HOH A 960 1555 1555 2.22 LINK MG MG A 502 O HOH A 961 1555 1555 2.18 LINK MG MG A 502 O HOH A 962 1555 1555 2.16 LINK MG MG A 502 O HOH A 963 1555 1555 2.17 LINK MG MG A 502 O HOH A 964 1555 1555 2.22 LINK OD1 ASP B 89 MG MG B 501 1555 1555 2.36 LINK MG MG B 501 O HOH B 955 1555 1555 2.23 LINK MG MG B 501 O HOH B 956 1555 1555 2.24 LINK MG MG B 501 O HOH B 957 1555 1555 2.42 LINK MG MG B 501 O HOH B 958 1555 1555 2.44 LINK MG MG B 501 O HOH B 959 1555 1555 2.21 CISPEP 1 MET A 24 PRO A 25 0 1.99 CISPEP 2 SER A 36 ARG A 37 0 -1.28 CISPEP 3 MET B 24 PRO B 25 0 0.18 CISPEP 4 SER B 36 ARG B 37 0 -0.85 SITE 1 AC1 7 ARG A 53 SER B 36 ARG B 37 GLY B 38 SITE 2 AC1 7 LYS B 106 HOH B 762 HOH B 795 SITE 1 AC2 6 ARG A 37 GLY A 38 HOH A 735 HOH A 777 SITE 2 AC2 6 HOH A 866 HOH A 960 SITE 1 AC3 6 ASP B 89 HOH B 955 HOH B 956 HOH B 957 SITE 2 AC3 6 HOH B 958 HOH B 959 SITE 1 AC4 7 ASP A 88 ASP A 89 HOH A 960 HOH A 961 SITE 2 AC4 7 HOH A 962 HOH A 963 HOH A 964 CRYST1 59.200 92.700 53.200 90.00 90.00 90.00 P 21 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 0.016892 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010787 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018797 0.00000 MTRIX1 1 -0.090100 -0.990600 0.102800 30.88140 1 MTRIX2 1 -0.992700 0.081100 -0.089000 30.87210 1 MTRIX3 1 0.079800 -0.110000 -0.990700 27.85240 1