HEADER OXIDOREDUCTASE 13-APR-05 1X1T TITLE CRYSTAL STRUCTURE OF D-3-HYDROXYBUTYRATE DEHYDROGENASE FROM TITLE 2 PSEUDOMONAS FRAGI COMPLEXED WITH NAD+ COMPND MOL_ID: 1; COMPND 2 MOLECULE: D(-)-3-HYDROXYBUTYRATE DEHYDROGENASE; COMPND 3 CHAIN: A; 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, SDR, SHORT CHAIN DEHYDROGENASE, KETONE BODY, BETA- KEYWDS 2 HYDROXYBUTYRATE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR K.ITO,Y.NAKAJIMA,E.ICHIHARA,K.OGAWA,T.YOSHIMOTO REVDAT 4 25-OCT-23 1X1T 1 REMARK LINK REVDAT 3 13-JUL-11 1X1T 1 VERSN REVDAT 2 24-FEB-09 1X1T 1 VERSN REVDAT 1 10-JAN-06 1X1T 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. 1.52 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) : 1.52 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 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 : 54353 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) : 0.195 REMARK 3 FREE R VALUE : 0.213 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2762 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) : 1.52 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.57 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2150 REMARK 3 BIN FREE R VALUE : 0.2380 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 257 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 : 1698 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 50 REMARK 3 SOLVENT ATOMS : 307 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.80000 REMARK 3 B22 (A**2) : 1.87000 REMARK 3 B33 (A**2) : -0.07000 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) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : 0.06 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) : 0.19 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.07 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.237 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.96 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.750 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 1X1T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 14-APR-05. REMARK 100 THE DEPOSITION ID IS D_1000024271. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-JUN-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-6A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : SI111 REMARK 200 OPTICS : MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 54355 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.520 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 (%) : 98.3 REMARK 200 DATA REDUNDANCY : 6.300 REMARK 200 R MERGE (I) : 0.04200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 61.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.52 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.57 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.7 REMARK 200 DATA REDUNDANCY IN SHELL : 5.90 REMARK 200 R MERGE FOR SHELL (I) : 0.10100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 21.50 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1WMB 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): 3.32 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG3000, NA CACODYLATE. 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: I 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-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 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 32.38250 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 49.98500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 54.79250 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 32.38250 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 49.98500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 54.79250 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 32.38250 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 49.98500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 54.79250 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 32.38250 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 49.98500 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 54.79250 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 ASSEMBLY IS A TETRAMER GENERATED FROM THE REMARK 300 MONOMER IN THE ASYMMETRIC UNIT BY THE OPERATIONS; (-X, -Y, Z), (X, - REMARK 300 Y ,-Z) AND (-X, Y, -Z). 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: 17590 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28760 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -96.0 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 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 99.97000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 -1.000000 109.58500 REMARK 350 BIOMT1 4 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 0.000000 -1.000000 0.000000 99.97000 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 109.58500 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 PRO A 191 REMARK 465 LEU A 192 REMARK 465 VAL A 193 REMARK 465 GLU A 194 REMARK 465 LYS A 195 REMARK 465 GLN A 196 REMARK 465 ILE A 197 REMARK 465 SER A 198 REMARK 465 ALA A 199 REMARK 465 LEU A 200 REMARK 465 ALA A 201 REMARK 465 GLU A 202 REMARK 465 LYS A 203 REMARK 465 ASN A 204 REMARK 465 GLY A 205 REMARK 465 VAL A 206 REMARK 465 ASP A 207 REMARK 465 GLN A 208 REMARK 465 GLU A 209 REMARK 465 THR A 210 REMARK 465 ALA A 211 REMARK 465 ALA A 212 REMARK 465 ARG A 213 REMARK 465 GLU A 214 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 64 5.07 -69.87 REMARK 500 ALA A 97 154.09 178.42 REMARK 500 LEU A 115 -60.30 -120.43 REMARK 500 ALA A 141 -115.77 -89.96 REMARK 500 SER A 142 167.91 176.39 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 301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 38 OD1 REMARK 620 2 ASP A 38 OD2 48.7 REMARK 620 3 HIS A 128 ND1 81.2 108.1 REMARK 620 4 HOH A 501 O 87.4 112.0 112.9 REMARK 620 5 HOH A 502 O 148.9 100.3 113.9 109.0 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAC A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAD A 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1WMB RELATED DB: PDB REMARK 900 THE SAME PROTEIN DBREF 1X1T A 1 260 GB 57506672 BAD86668 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 HET MG A 301 1 HET CAC A 302 5 HET NAD A 300 44 HETNAM MG MAGNESIUM ION HETNAM CAC CACODYLATE ION HETNAM NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETSYN CAC DIMETHYLARSINATE FORMUL 2 MG MG 2+ FORMUL 3 CAC C2 H6 AS O2 1- FORMUL 4 NAD C21 H27 N7 O14 P2 FORMUL 5 HOH *307(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 LEU A 215 GLN A 220 1 6 HELIX 10 10 THR A 227 SER A 240 1 14 HELIX 11 11 ASP A 241 ALA A 244 5 4 HELIX 12 12 GLY A 256 ARG A 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 VAL A 88 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 ASN A 181 N ASN A 139 SHEET 7 A 7 THR A 250 VAL A 253 1 O VAL A 251 N CYS A 184 LINK OD1 ASP A 38 MG MG A 301 1555 1555 2.93 LINK OD2 ASP A 38 MG MG A 301 1555 1555 2.10 LINK ND1 HIS A 128 MG MG A 301 8555 1555 2.20 LINK MG MG A 301 O HOH A 501 1555 1555 2.35 LINK MG MG A 301 O HOH A 502 1555 1555 2.33 SITE 1 AC1 4 ASP A 38 HIS A 128 HOH A 501 HOH A 502 SITE 1 AC2 7 SER A 142 HIS A 144 LYS A 152 TYR A 155 SITE 2 AC2 7 TRP A 257 NAD A 300 HOH A 596 SITE 1 AC3 28 GLY A 11 THR A 13 SER A 14 GLY A 15 SITE 2 AC3 28 ILE A 16 GLY A 35 PHE A 36 ALA A 62 SITE 3 AC3 28 ASP A 63 LEU A 64 ASN A 90 ALA A 91 SITE 4 AC3 28 GLY A 92 LEU A 113 ILE A 140 ALA A 141 SITE 5 AC3 28 SER A 142 TYR A 155 LYS A 159 PRO A 185 SITE 6 AC3 28 GLY A 186 TRP A 187 VAL A 188 THR A 190 SITE 7 AC3 28 CAC A 302 HOH A 519 HOH A 667 HOH A 673 CRYST1 64.765 99.970 109.585 90.00 90.00 90.00 I 2 2 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 0.015440 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010003 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009125 0.00000