HEADER OXIDOREDUCTASE 06-JUL-04 1WMB TITLE CRYSTAL STRUCTURE OF NAD DEPENDENT D-3-HYDROXYBUTYLATE DEHYDROGENASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: D(-)-3-HYDROXYBUTYRATE DEHYDROGENASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 1.1.1.30; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSEUDOMONAS FRAGI; SOURCE 3 ORGANISM_TAXID: 296; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PKK233-3 KEYWDS NAD, NADH, SHORT CHAIN DEHYDROGENASE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR K.ITO,Y.NAKAJIMA,E.ICHIHARA,K.OGAWA,T.YOSHIMOTO REVDAT 5 13-MAR-24 1WMB 1 REMARK LINK REVDAT 4 13-JUL-11 1WMB 1 VERSN REVDAT 3 24-FEB-09 1WMB 1 VERSN REVDAT 2 10-JAN-06 1WMB 1 JRNL REVDAT 1 06-SEP-05 1WMB 0 JRNL AUTH K.ITO,Y.NAKAJIMA,E.ICHIHARA,K.OGAWA,N.KATAYAMA,K.NAKASHIMA, JRNL AUTH 2 T.YOSHIMOTO JRNL TITL D-3-HYDROXYBUTYRATE DEHYDROGENASE FROM PSEUDOMONAS FRAGI: JRNL TITL 2 MOLECULAR CLONING OF THE ENZYME GENE AND CRYSTAL STRUCTURE JRNL TITL 3 OF THE ENZYME JRNL REF J.MOL.BIOL. V. 355 722 2006 JRNL REFN ISSN 0022-2836 JRNL PMID 16325199 JRNL DOI 10.1016/J.JMB.2005.10.072 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.9 REMARK 3 NUMBER OF REFLECTIONS : 47737 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) : 0.216 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2419 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.07 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2390 REMARK 3 BIN FREE R VALUE : 0.2780 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 232 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 : 3758 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 428 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.42 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 6.20200 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : -8.19700 REMARK 3 B13 (A**2) : 1.99500 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : 0.13 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) : 0.28 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.19 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.188 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.700 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ANISOTROPIC 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1WMB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 08-JUL-04. REMARK 100 THE DEPOSITION ID IS D_1000023737. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-JUN-04; 25-MAY-04 REMARK 200 TEMPERATURE (KELVIN) : 100; 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY; SPRING-8 REMARK 200 BEAMLINE : BL-6A; BL38B1 REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000; 0.96400, 0.97986, REMARK 200 0.98012, 1.0000 REMARK 200 MONOCHROMATOR : SI 111; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4; ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 47802 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 4.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07800 REMARK 200 FOR THE DATA SET : 8.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.2 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.30600 REMARK 200 FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: CRYSTAL 1 SINGLE REMARK 200 WAVELENGTH PROTOCOL, CRYSTAL 2 MAD PROTOCOL REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NA CACODYLATE, PEG3000, MAGNESIUM REMARK 280 CHLORIDE, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 32.16800 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 49.51250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 32.16800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 49.51250 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: 12990 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 34890 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -78.0 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 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 99.02500 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 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 SER A 14 -179.40 -170.61 REMARK 500 ARG A 83 -179.73 -179.41 REMARK 500 LEU A 115 -55.74 -122.98 REMARK 500 ALA A 141 -113.91 -88.43 REMARK 500 SER A 142 165.66 174.25 REMARK 500 ARG B 83 170.30 174.29 REMARK 500 ALA B 91 126.86 -35.93 REMARK 500 HIS B 95 130.96 -171.29 REMARK 500 ALA B 97 151.39 178.52 REMARK 500 LEU B 115 -66.13 -109.53 REMARK 500 ALA B 141 -112.13 -92.81 REMARK 500 SER B 142 167.98 174.80 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 A1301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 38 OD1 REMARK 620 2 ASP A 38 OD2 50.0 REMARK 620 3 HIS A 128 ND1 80.6 99.3 REMARK 620 4 HOH A1305 O 82.2 115.8 113.8 REMARK 620 5 HOH A1314 O 140.6 91.7 120.2 113.1 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B2301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 38 OD1 REMARK 620 2 ASP B 38 OD2 47.6 REMARK 620 3 HIS B 128 ND1 83.6 101.0 REMARK 620 4 HOH B2304 O 82.1 115.0 112.5 REMARK 620 5 HOH B2306 O 149.1 103.1 116.0 108.9 REMARK 620 N 1 2 3 4 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 1301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAC A 1302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 2301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAC B 2302 DBREF 1WMB A 1 260 UNP Q5KST5 Q5KST5_PSEFR 1 260 DBREF 1WMB B 1 260 UNP Q5KST5 Q5KST5_PSEFR 1 260 SEQRES 1 A 260 MET LEU LYS GLY LYS VAL ALA VAL VAL THR GLY SER THR SEQRES 2 A 260 SER GLY ILE GLY LEU GLY ILE ALA THR ALA LEU ALA ALA SEQRES 3 A 260 GLN GLY ALA ASP ILE VAL LEU ASN GLY PHE GLY ASP ALA SEQRES 4 A 260 ALA GLU ILE GLU LYS VAL ARG ALA GLY LEU ALA ALA GLN SEQRES 5 A 260 HIS GLY VAL LYS VAL LEU TYR ASP GLY ALA ASP LEU SER SEQRES 6 A 260 LYS GLY GLU ALA VAL ARG GLY LEU VAL ASP ASN ALA VAL SEQRES 7 A 260 ARG GLN MET GLY ARG ILE ASP ILE LEU VAL ASN ASN ALA SEQRES 8 A 260 GLY ILE GLN HIS THR ALA LEU ILE GLU ASP PHE PRO THR SEQRES 9 A 260 GLU LYS TRP ASP ALA ILE LEU ALA LEU ASN LEU SER ALA SEQRES 10 A 260 VAL PHE HIS GLY THR ALA ALA ALA LEU PRO HIS MET LYS SEQRES 11 A 260 LYS GLN GLY PHE GLY ARG ILE ILE ASN ILE ALA SER ALA SEQRES 12 A 260 HIS GLY LEU VAL ALA SER ALA ASN LYS SER ALA TYR VAL SEQRES 13 A 260 ALA ALA LYS HIS GLY VAL VAL GLY PHE THR LYS VAL THR SEQRES 14 A 260 ALA LEU GLU THR ALA GLY GLN GLY ILE THR ALA ASN ALA SEQRES 15 A 260 ILE CYS PRO GLY TRP VAL ARG THR PRO LEU VAL GLU LYS SEQRES 16 A 260 GLN ILE SER ALA LEU ALA GLU LYS ASN GLY VAL ASP GLN SEQRES 17 A 260 GLU THR ALA ALA ARG GLU LEU LEU SER GLU LYS GLN PRO SEQRES 18 A 260 SER LEU GLN PHE VAL THR PRO GLU GLN LEU GLY GLY THR SEQRES 19 A 260 ALA VAL PHE LEU ALA SER ASP ALA ALA ALA GLN ILE THR SEQRES 20 A 260 GLY THR THR VAL SER VAL ASP GLY GLY TRP THR ALA ARG SEQRES 1 B 260 MET LEU LYS GLY LYS VAL ALA VAL VAL THR GLY SER THR SEQRES 2 B 260 SER GLY ILE GLY LEU GLY ILE ALA THR ALA LEU ALA ALA SEQRES 3 B 260 GLN GLY ALA ASP ILE VAL LEU ASN GLY PHE GLY ASP ALA SEQRES 4 B 260 ALA GLU ILE GLU LYS VAL ARG ALA GLY LEU ALA ALA GLN SEQRES 5 B 260 HIS GLY VAL LYS VAL LEU TYR ASP GLY ALA ASP LEU SER SEQRES 6 B 260 LYS GLY GLU ALA VAL ARG GLY LEU VAL ASP ASN ALA VAL SEQRES 7 B 260 ARG GLN MET GLY ARG ILE ASP ILE LEU VAL ASN ASN ALA SEQRES 8 B 260 GLY ILE GLN HIS THR ALA LEU ILE GLU ASP PHE PRO THR SEQRES 9 B 260 GLU LYS TRP ASP ALA ILE LEU ALA LEU ASN LEU SER ALA SEQRES 10 B 260 VAL PHE HIS GLY THR ALA ALA ALA LEU PRO HIS MET LYS SEQRES 11 B 260 LYS GLN GLY PHE GLY ARG ILE ILE ASN ILE ALA SER ALA SEQRES 12 B 260 HIS GLY LEU VAL ALA SER ALA ASN LYS SER ALA TYR VAL SEQRES 13 B 260 ALA ALA LYS HIS GLY VAL VAL GLY PHE THR LYS VAL THR SEQRES 14 B 260 ALA LEU GLU THR ALA GLY GLN GLY ILE THR ALA ASN ALA SEQRES 15 B 260 ILE CYS PRO GLY TRP VAL ARG THR PRO LEU VAL GLU LYS SEQRES 16 B 260 GLN ILE SER ALA LEU ALA GLU LYS ASN GLY VAL ASP GLN SEQRES 17 B 260 GLU THR ALA ALA ARG GLU LEU LEU SER GLU LYS GLN PRO SEQRES 18 B 260 SER LEU GLN PHE VAL THR PRO GLU GLN LEU GLY GLY THR SEQRES 19 B 260 ALA VAL PHE LEU ALA SER ASP ALA ALA ALA GLN ILE THR SEQRES 20 B 260 GLY THR THR VAL SER VAL ASP GLY GLY TRP THR ALA ARG HET MG A1301 1 HET CAC A1302 5 HET MG B2301 1 HET CAC B2302 5 HETNAM MG MAGNESIUM ION HETNAM CAC CACODYLATE ION HETSYN CAC DIMETHYLARSINATE FORMUL 3 MG 2(MG 2+) FORMUL 4 CAC 2(C2 H6 AS O2 1-) FORMUL 7 HOH *428(H2 O) HELIX 1 1 SER A 14 GLN A 27 1 14 HELIX 2 2 ASP A 38 GLY A 54 1 17 HELIX 3 3 LYS A 66 GLY A 82 1 17 HELIX 4 4 LEU A 98 PHE A 102 5 5 HELIX 5 5 PRO A 103 LEU A 115 1 13 HELIX 6 6 LEU A 115 GLY A 133 1 19 HELIX 7 7 SER A 142 LEU A 146 5 5 HELIX 8 8 LYS A 152 ALA A 174 1 23 HELIX 9 9 THR A 190 GLY A 205 1 16 HELIX 10 10 ASP A 207 GLU A 218 1 12 HELIX 11 11 THR A 227 SER A 240 1 14 HELIX 12 12 ASP A 241 ALA A 244 5 4 HELIX 13 13 GLY A 256 ARG A 260 5 5 HELIX 14 14 SER B 14 ALA B 26 1 13 HELIX 15 15 ASP B 38 GLY B 54 1 17 HELIX 16 16 LYS B 66 GLY B 82 1 17 HELIX 17 17 LEU B 98 PHE B 102 5 5 HELIX 18 18 PRO B 103 LEU B 115 1 13 HELIX 19 19 LEU B 115 GLY B 133 1 19 HELIX 20 20 SER B 142 LEU B 146 5 5 HELIX 21 21 LYS B 152 ALA B 174 1 23 HELIX 22 22 THR B 190 GLY B 205 1 16 HELIX 23 23 ASP B 207 GLU B 218 1 12 HELIX 24 24 THR B 227 SER B 240 1 14 HELIX 25 25 ASP B 241 ALA B 244 5 4 HELIX 26 26 GLY B 256 ARG B 260 5 5 SHEET 1 A 7 VAL A 57 ASP A 60 0 SHEET 2 A 7 ASP A 30 ASN A 34 1 N LEU A 33 O LEU A 58 SHEET 3 A 7 VAL A 6 VAL A 9 1 N ALA A 7 O ASP A 30 SHEET 4 A 7 ILE A 86 ASN A 89 1 O ILE A 86 N VAL A 8 SHEET 5 A 7 GLY A 135 ILE A 140 1 O ILE A 138 N LEU A 87 SHEET 6 A 7 ILE A 178 PRO A 185 1 O THR A 179 N ILE A 137 SHEET 7 A 7 THR A 250 VAL A 253 1 O VAL A 251 N ALA A 182 SHEET 1 B 7 VAL B 57 ASP B 60 0 SHEET 2 B 7 ASP B 30 ASN B 34 1 N LEU B 33 O LEU B 58 SHEET 3 B 7 VAL B 6 VAL B 9 1 N ALA B 7 O ASP B 30 SHEET 4 B 7 ILE B 86 ASN B 89 1 O VAL B 88 N VAL B 8 SHEET 5 B 7 GLY B 135 ILE B 140 1 O ILE B 140 N ASN B 89 SHEET 6 B 7 ILE B 178 PRO B 185 1 O THR B 179 N ILE B 137 SHEET 7 B 7 THR B 250 VAL B 253 1 O VAL B 251 N CYS B 184 LINK OD1 ASP A 38 MG MG A1301 1555 1555 2.82 LINK OD2 ASP A 38 MG MG A1301 1555 1555 2.26 LINK ND1 HIS A 128 MG MG A1301 4555 1555 2.39 LINK MG MG A1301 O HOH A1305 1555 1555 2.23 LINK MG MG A1301 O HOH A1314 1555 1555 2.17 LINK OD1 ASP B 38 MG MG B2301 1555 1555 2.93 LINK OD2 ASP B 38 MG MG B2301 1555 1555 2.33 LINK ND1 HIS B 128 MG MG B2301 4456 1555 2.25 LINK MG MG B2301 O HOH B2304 1555 1555 2.29 LINK MG MG B2301 O HOH B2306 1555 1555 2.19 SITE 1 AC1 4 ASP A 38 HIS A 128 HOH A1305 HOH A1314 SITE 1 AC2 7 GLN A 94 SER A 142 TYR A 155 GLY A 186 SITE 2 AC2 7 TRP A 257 HOH A1346 HOH A1410 SITE 1 AC3 4 ASP B 38 HIS B 128 HOH B2304 HOH B2306 SITE 1 AC4 6 GLN B 94 SER B 142 TYR B 155 PRO B 185 SITE 2 AC4 6 GLY B 186 HOH B2335 CRYST1 64.336 99.025 110.229 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 0.015543 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010098 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009072 0.00000