HEADER TRANSFERASE 17-DEC-01 1GRV TITLE HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE FROM E. COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: HPRT; COMPND 5 EC: 2.4.2.8; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS RIBOSYLTRANSFERASE, TRANSFERASE, GLYCOSYLTRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR L.W.GUDDAT,S.VOS,J.L.MARTIN,D.T.KEOUGH,J.DE JERSEY REVDAT 4 13-DEC-23 1GRV 1 REMARK LINK REVDAT 3 24-FEB-09 1GRV 1 VERSN REVDAT 2 01-MAY-07 1GRV 1 REMARK REVDAT 1 13-DEC-02 1GRV 0 JRNL AUTH L.W.GUDDAT,S.VOS,J.L.MARTIN,D.T.KEOUGH,J.DE JERSEY JRNL TITL CRYSTAL STRUCTURES OF FREE, IMP-, AND GMP- BOUND ESCHERICHIA JRNL TITL 2 COLI HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE JRNL REF PROTEIN SCI. V. 11 1626 2002 JRNL REFN ISSN 0961-8368 JRNL PMID 12070315 JRNL DOI 10.1110/PS.0201002 REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.0 REMARK 3 NUMBER OF REFLECTIONS : 14653 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) : 0.214 REMARK 3 FREE R VALUE : 0.238 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1429 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 : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.00 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 56.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 681 REMARK 3 BIN R VALUE (WORKING SET) : 0.3060 REMARK 3 BIN FREE R VALUE : 0.3530 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 75 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 : 2666 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 74 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -4.75300 REMARK 3 B22 (A**2) : -4.75300 REMARK 3 B33 (A**2) : 9.50600 REMARK 3 B12 (A**2) : -7.42700 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) : 0.35 REMARK 3 ESD FROM SIGMAA (A) : 0.43 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) : 0.41 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.47 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.740 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) : 1.129 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.976 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.837 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.920 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : SHELL MODEL REMARK 3 KSOL : 0.22 REMARK 3 BSOL : 41.00 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THERE WAS INSUFFICIENT DENSITY TO MODEL REMARK 3 THE POLYPEPTIDE CHAIN FOR RESIDUES 1-4, 73-81, 182 IN CHAIN A REMARK 3 AND 1-4, 74-81 AND 182 IN CHAIN B REMARK 4 REMARK 4 1GRV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 17-DEC-01. REMARK 100 THE DEPOSITION ID IS D_1290009132. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-DEC-00 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.40 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-BM-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : CARS-DESIGN SI(III) REMARK 200 MONOCHROMATOR REMARK 200 OPTICS : CARS DESIGN CYLINDRICAL FOCUSING REMARK 200 MIRROE REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 46525 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.10300 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 56.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : 0.29300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1G9S REMARK 200 REMARK 200 REMARK: DATA WERE COLLECTED USING THE OSCILLATION METHOD REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 70.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M HEPES PH 7.5, 0.1 M SODIUM REMARK 280 CITRATE, PH 7.40 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 56.46667 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 112.93333 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 112.93333 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 56.46667 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: PQS 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 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 145.31906 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 112.93333 REMARK 400 REMARK 400 COMPOUND REMARK 400 CATALYTIC ACTIVITY IS IMP + DIPHOSPHATE = HYPOXANTHINE + REMARK 400 5-PHOSPHO-ALPHA-D-RIBOSE 1-DIPHOSPHATE. THIS ENZYME REMARK 400 ACTS EXCLUSIVELY ON HYPOXANTHINE AND NOT ON GUANINE. REMARK 400 MEMBER OF THE PURINE/PYRIMIDINE PHOSPHORIBOSYLTRANSFERASE REMARK 400 FAMILY 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 VAL A 2 REMARK 465 ARG A 3 REMARK 465 ASP A 4 REMARK 465 SER A 73 REMARK 465 TYR A 74 REMARK 465 GLY A 75 REMARK 465 SER A 76 REMARK 465 GLY A 77 REMARK 465 MET A 78 REMARK 465 SER A 79 REMARK 465 THR A 80 REMARK 465 THR A 81 REMARK 465 GLU A 182 REMARK 465 MET B 1 REMARK 465 VAL B 2 REMARK 465 ARG B 3 REMARK 465 ASP B 4 REMARK 465 TYR B 74 REMARK 465 GLY B 75 REMARK 465 SER B 76 REMARK 465 GLY B 77 REMARK 465 MET B 78 REMARK 465 SER B 79 REMARK 465 THR B 80 REMARK 465 THR B 81 REMARK 465 GLU B 182 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 LYS A 6 CG CD CE NZ REMARK 470 ASP A 181 CG OD1 OD2 REMARK 470 LYS B 6 CG CD CE NZ REMARK 470 ARG B 82 CG CD NE CZ NH1 NH2 REMARK 470 ASP B 181 CG OD1 OD2 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 GLN A 61 36.52 -84.30 REMARK 500 ASP A 107 -89.32 -130.98 REMARK 500 ASP A 154 67.88 -69.72 REMARK 500 TYR A 168 -8.69 72.07 REMARK 500 LYS B 6 102.85 57.48 REMARK 500 GLN B 61 36.24 -84.17 REMARK 500 ASP B 107 -89.09 -130.65 REMARK 500 TYR B 168 -8.55 72.44 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 B 491 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 103 OE2 REMARK 620 2 ASP A 104 OD1 127.6 REMARK 620 3 HOH A2017 O 53.4 155.3 REMARK 620 4 HOH A2018 O 77.6 73.1 84.2 REMARK 620 5 HOH A2019 O 108.1 106.0 58.1 76.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 490 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 103 OE2 REMARK 620 2 ASP B 104 OD1 141.2 REMARK 620 3 HOH B2024 O 93.8 125.0 REMARK 620 4 HOH B2026 O 96.7 84.2 89.9 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 MG A 490 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 491 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1G9S RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A COMPLEX BETWEEN E. COLI HPRT AND IMP REMARK 900 RELATED ID: 1G9T RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF E.COLI HPRT-GMP COMPLEX DBREF 1GRV A 1 4 PDB 1GRV 1GRV 1 4 DBREF 1GRV A 5 182 UNP P36766 HPRT_ECOLI 1 178 DBREF 1GRV B 1 4 PDB 1GRV 1GRV 1 4 DBREF 1GRV B 5 182 UNP P36766 HPRT_ECOLI 1 178 SEQADV 1GRV LEU A 84 UNP P36766 VAL 80 CONFLICT SEQADV 1GRV LEU B 84 UNP P36766 VAL 80 CONFLICT SEQRES 1 A 182 MET VAL ARG ASP MET LYS HIS THR VAL GLU VAL MET ILE SEQRES 2 A 182 PRO GLU ALA GLU ILE LYS ALA ARG ILE ALA GLU LEU GLY SEQRES 3 A 182 ARG GLN ILE THR GLU ARG TYR LYS ASP SER GLY SER ASP SEQRES 4 A 182 MET VAL LEU VAL GLY LEU LEU ARG GLY SER PHE MET PHE SEQRES 5 A 182 MET ALA ASP LEU CYS ARG GLU VAL GLN VAL SER HIS GLU SEQRES 6 A 182 VAL ASP PHE MET THR ALA SER SER TYR GLY SER GLY MET SEQRES 7 A 182 SER THR THR ARG ASP LEU LYS ILE LEU LYS ASP LEU ASP SEQRES 8 A 182 GLU ASP ILE ARG GLY LYS ASP VAL LEU ILE VAL GLU ASP SEQRES 9 A 182 ILE ILE ASP SER GLY ASN THR LEU SER LYS VAL ARG GLU SEQRES 10 A 182 ILE LEU SER LEU ARG GLU PRO LYS SER LEU ALA ILE CYS SEQRES 11 A 182 THR LEU LEU ASP LYS PRO SER ARG ARG GLU VAL ASN VAL SEQRES 12 A 182 PRO VAL GLU PHE ILE GLY PHE SER ILE PRO ASP GLU PHE SEQRES 13 A 182 VAL VAL GLY TYR GLY ILE ASP TYR ALA GLN ARG TYR ARG SEQRES 14 A 182 HIS LEU PRO TYR ILE GLY LYS VAL ILE LEU LEU ASP GLU SEQRES 1 B 182 MET VAL ARG ASP MET LYS HIS THR VAL GLU VAL MET ILE SEQRES 2 B 182 PRO GLU ALA GLU ILE LYS ALA ARG ILE ALA GLU LEU GLY SEQRES 3 B 182 ARG GLN ILE THR GLU ARG TYR LYS ASP SER GLY SER ASP SEQRES 4 B 182 MET VAL LEU VAL GLY LEU LEU ARG GLY SER PHE MET PHE SEQRES 5 B 182 MET ALA ASP LEU CYS ARG GLU VAL GLN VAL SER HIS GLU SEQRES 6 B 182 VAL ASP PHE MET THR ALA SER SER TYR GLY SER GLY MET SEQRES 7 B 182 SER THR THR ARG ASP LEU LYS ILE LEU LYS ASP LEU ASP SEQRES 8 B 182 GLU ASP ILE ARG GLY LYS ASP VAL LEU ILE VAL GLU ASP SEQRES 9 B 182 ILE ILE ASP SER GLY ASN THR LEU SER LYS VAL ARG GLU SEQRES 10 B 182 ILE LEU SER LEU ARG GLU PRO LYS SER LEU ALA ILE CYS SEQRES 11 B 182 THR LEU LEU ASP LYS PRO SER ARG ARG GLU VAL ASN VAL SEQRES 12 B 182 PRO VAL GLU PHE ILE GLY PHE SER ILE PRO ASP GLU PHE SEQRES 13 B 182 VAL VAL GLY TYR GLY ILE ASP TYR ALA GLN ARG TYR ARG SEQRES 14 B 182 HIS LEU PRO TYR ILE GLY LYS VAL ILE LEU LEU ASP GLU HET MG A 490 1 HET MG B 491 1 HETNAM MG MAGNESIUM ION FORMUL 3 MG 2(MG 2+) FORMUL 5 HOH *74(H2 O) HELIX 1 1 PRO A 14 LYS A 34 1 21 HELIX 2 2 SER A 49 VAL A 60 1 12 HELIX 3 3 GLY A 109 LEU A 121 1 13 HELIX 4 4 PRO A 136 ARG A 139 5 4 HELIX 5 5 PRO B 14 LYS B 34 1 21 HELIX 6 6 SER B 49 VAL B 60 1 12 HELIX 7 7 GLY B 109 LEU B 121 1 13 HELIX 8 8 PRO B 136 ARG B 139 5 4 SHEET 1 AA 3 HIS A 7 ILE A 13 0 SHEET 2 AA 3 ILE A 174 LEU A 179 -1 O ILE A 174 N MET A 12 SHEET 3 AA 3 VAL A 157 VAL A 158 -1 O VAL A 158 N GLY A 175 SHEET 1 AB 6 ILE A 86 LYS A 88 0 SHEET 2 AB 6 HIS A 64 ALA A 71 -1 O THR A 70 N LYS A 88 SHEET 3 AB 6 MET A 40 LEU A 45 1 O MET A 40 N GLU A 65 SHEET 4 AB 6 ASP A 98 ILE A 106 1 O ASP A 98 N VAL A 41 SHEET 5 AB 6 SER A 126 ASP A 134 1 O SER A 126 N VAL A 99 SHEET 6 AB 6 PHE A 147 SER A 151 1 O PHE A 147 N THR A 131 SHEET 1 BA 3 HIS B 7 ILE B 13 0 SHEET 2 BA 3 ILE B 174 LEU B 179 -1 O ILE B 174 N MET B 12 SHEET 3 BA 3 VAL B 157 VAL B 158 -1 O VAL B 158 N GLY B 175 SHEET 1 BB 6 ILE B 86 LYS B 88 0 SHEET 2 BB 6 HIS B 64 ALA B 71 -1 O THR B 70 N LYS B 88 SHEET 3 BB 6 MET B 40 LEU B 45 1 O MET B 40 N GLU B 65 SHEET 4 BB 6 ASP B 98 ILE B 106 1 O ASP B 98 N VAL B 41 SHEET 5 BB 6 SER B 126 ASP B 134 1 O SER B 126 N VAL B 99 SHEET 6 BB 6 PHE B 147 SER B 151 1 O PHE B 147 N THR B 131 LINK OE2 GLU A 103 MG MG B 491 1555 1555 2.12 LINK OD1 ASP A 104 MG MG B 491 1555 1555 2.06 LINK MG MG A 490 OE2 GLU B 103 1555 1555 2.00 LINK MG MG A 490 OD1 ASP B 104 1555 1555 2.02 LINK MG MG A 490 O HOH B2024 1555 1555 2.14 LINK MG MG A 490 O HOH B2026 1555 1555 2.22 LINK O HOH A2017 MG MG B 491 1555 1555 3.13 LINK O HOH A2018 MG MG B 491 1555 1555 2.29 LINK O HOH A2019 MG MG B 491 1555 1555 1.97 CISPEP 1 LEU A 46 ARG A 47 0 2.05 CISPEP 2 LEU B 46 ARG B 47 0 3.12 SITE 1 AC1 4 GLU B 103 ASP B 104 HOH B2024 HOH B2026 SITE 1 AC2 4 GLU A 103 ASP A 104 HOH A2018 HOH A2019 CRYST1 83.900 83.900 169.400 90.00 90.00 120.00 P 31 2 1 12 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 0.011919 0.006881 0.000000 0.00000 SCALE2 0.000000 0.013763 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005903 0.00000