HEADER OXIDOREDUCTASE 13-DEC-14 4XAB TITLE CRYSTAL STRUCTURE OF EVDO2 FROM MICROMONOSPORA CARBONACEA VAR. TITLE 2 AURANTIACA COMPND MOL_ID: 1; COMPND 2 MOLECULE: EVDO2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MICROMONOSPORA CARBONACEA; SOURCE 3 ORGANISM_TAXID: 47853; SOURCE 4 STRAIN: VAR. AURANTIACA; SOURCE 5 GENE: EVDO2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28A(+) KEYWDS OXIDOREDUCTASE, DOUBLE STRANDED BETA HELIX EXPDTA X-RAY DIFFRACTION AUTHOR K.M.MCCULLOCH,E.K.MCCRANIE,M.SARWAR,J.L.MATHIEU,B.L.GITSCHLAG,Y.DU, AUTHOR 2 B.O.BACHMANN,T.M.IVERSON REVDAT 4 27-SEP-23 4XAB 1 JRNL REMARK LINK REVDAT 3 30-SEP-15 4XAB 1 JRNL REVDAT 2 19-AUG-15 4XAB 1 JRNL REVDAT 1 05-AUG-15 4XAB 0 JRNL AUTH K.M.MCCULLOCH,E.K.MCCRANIE,J.A.SMITH,M.SARWAR,J.L.MATHIEU, JRNL AUTH 2 B.L.GITSCHLAG,Y.DU,B.O.BACHMANN,T.M.IVERSON JRNL TITL OXIDATIVE CYCLIZATIONS IN ORTHOSOMYCIN BIOSYNTHESIS EXPAND JRNL TITL 2 THE KNOWN CHEMISTRY OF AN OXYGENASE SUPERFAMILY. JRNL REF PROC.NATL.ACAD.SCI.USA V. 112 11547 2015 JRNL REFN ESSN 1091-6490 JRNL PMID 26240321 JRNL DOI 10.1073/PNAS.1500964112 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.04 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 24668 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.177 REMARK 3 R VALUE (WORKING SET) : 0.174 REMARK 3 FREE R VALUE : 0.204 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.320 REMARK 3 FREE R VALUE TEST SET COUNT : 1805 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 38.0534 - 4.1089 0.99 1890 150 0.1665 0.1724 REMARK 3 2 4.1089 - 3.2619 1.00 1783 141 0.1622 0.1899 REMARK 3 3 3.2619 - 2.8498 1.00 1800 141 0.1863 0.1884 REMARK 3 4 2.8498 - 2.5893 1.00 1772 140 0.1858 0.2412 REMARK 3 5 2.5893 - 2.4037 1.00 1751 139 0.1800 0.2266 REMARK 3 6 2.4037 - 2.2620 1.00 1748 138 0.1701 0.1802 REMARK 3 7 2.2620 - 2.1487 1.00 1748 138 0.1680 0.2158 REMARK 3 8 2.1487 - 2.0552 1.00 1731 137 0.1722 0.2391 REMARK 3 9 2.0552 - 1.9761 1.00 1752 138 0.1713 0.2240 REMARK 3 10 1.9761 - 1.9079 1.00 1739 138 0.1794 0.2299 REMARK 3 11 1.9079 - 1.8483 1.00 1709 134 0.1863 0.2304 REMARK 3 12 1.8483 - 1.7954 1.00 1728 136 0.2017 0.2595 REMARK 3 13 1.7954 - 1.7482 0.98 1712 135 0.1976 0.2620 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.00 REMARK 3 SHRINKAGE RADIUS : 0.60 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.170 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.020 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.21 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.59 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 2091 REMARK 3 ANGLE : 1.057 2863 REMARK 3 CHIRALITY : 0.043 291 REMARK 3 PLANARITY : 0.006 384 REMARK 3 DIHEDRAL : 12.594 785 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 4 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: (CHAIN A AND RESID 3:43) REMARK 3 ORIGIN FOR THE GROUP (A): 19.0218 35.0598 45.7576 REMARK 3 T TENSOR REMARK 3 T11: 0.0993 T22: 0.1475 REMARK 3 T33: 0.1597 T12: 0.0307 REMARK 3 T13: 0.0235 T23: -0.0098 REMARK 3 L TENSOR REMARK 3 L11: 2.7639 L22: 3.5258 REMARK 3 L33: 3.5668 L12: 0.1234 REMARK 3 L13: 0.7725 L23: -1.3676 REMARK 3 S TENSOR REMARK 3 S11: -0.0147 S12: 0.1307 S13: -0.1497 REMARK 3 S21: -0.1496 S22: 0.0640 S23: 0.2120 REMARK 3 S31: 0.1846 S32: -0.2217 S33: -0.0300 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: (CHAIN A AND RESID 44:87) REMARK 3 ORIGIN FOR THE GROUP (A): 29.7451 19.7231 62.3466 REMARK 3 T TENSOR REMARK 3 T11: 0.3119 T22: 0.3054 REMARK 3 T33: 0.4073 T12: 0.0390 REMARK 3 T13: 0.0347 T23: 0.0689 REMARK 3 L TENSOR REMARK 3 L11: 1.8358 L22: 1.9618 REMARK 3 L33: 5.0452 L12: 0.4818 REMARK 3 L13: -1.6294 L23: -2.3105 REMARK 3 S TENSOR REMARK 3 S11: 0.1362 S12: -0.3165 S13: -0.1715 REMARK 3 S21: -0.0167 S22: -0.3549 S23: -0.2454 REMARK 3 S31: 0.3667 S32: 0.7795 S33: 0.0790 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: (CHAIN A AND RESID 88:142) REMARK 3 ORIGIN FOR THE GROUP (A): 32.8481 33.5944 48.8306 REMARK 3 T TENSOR REMARK 3 T11: 0.1585 T22: 0.1338 REMARK 3 T33: 0.1296 T12: 0.0299 REMARK 3 T13: 0.0140 T23: 0.0238 REMARK 3 L TENSOR REMARK 3 L11: 1.9037 L22: 1.2913 REMARK 3 L33: 0.4247 L12: 0.0051 REMARK 3 L13: 0.5532 L23: 0.5362 REMARK 3 S TENSOR REMARK 3 S11: -0.0211 S12: 0.2118 S13: -0.1293 REMARK 3 S21: -0.0957 S22: -0.0175 S23: -0.0202 REMARK 3 S31: 0.0240 S32: 0.1551 S33: 0.0586 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: (CHAIN A AND RESID 143:251) REMARK 3 ORIGIN FOR THE GROUP (A): 32.6225 38.7013 56.8746 REMARK 3 T TENSOR REMARK 3 T11: 0.1532 T22: 0.1337 REMARK 3 T33: 0.1183 T12: 0.0057 REMARK 3 T13: 0.0061 T23: 0.0438 REMARK 3 L TENSOR REMARK 3 L11: 1.9486 L22: 1.1811 REMARK 3 L33: 1.3491 L12: 0.1847 REMARK 3 L13: 0.2508 L23: 0.1415 REMARK 3 S TENSOR REMARK 3 S11: 0.0127 S12: -0.2216 S13: -0.0246 REMARK 3 S21: 0.1272 S22: -0.0748 S23: -0.0825 REMARK 3 S31: 0.0063 S32: 0.1520 S33: 0.0530 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4XAB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-DEC-14. REMARK 100 THE DEPOSITION ID IS D_1000205334. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-OCT-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.078 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24725 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 13.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.60 REMARK 200 R MERGE FOR SHELL (I) : 0.29600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 3OBZ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 38% PEG8000, 100 MM IMIDAZOLE, 250 MM REMARK 280 NACL, PH 8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 21.30600 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 42.23100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.90150 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 42.23100 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.30600 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.90150 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 300 REMARK: BIOLOGICAL UNIT IS THE SAME AS ASYM. 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: MONOMERIC 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 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 ASP A 2 REMARK 465 ALA A 3 REMARK 465 GLY A 53 REMARK 465 ALA A 54 REMARK 465 GLY A 252 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 5 CD OE1 OE2 REMARK 470 GLU A 67 CA CB CG CD OE1 OE2 REMARK 470 GLU A 84 CG CD OE1 OE2 REMARK 470 ASP A 87 CB CG OD1 OD2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 446 O HOH A 553 2.17 REMARK 500 O HOH A 447 O HOH A 549 2.18 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 PHE A 46 79.48 -115.40 REMARK 500 ASP A 190 39.55 -99.54 REMARK 500 ARG A 246 67.62 35.87 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 NI A 301 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 129 NE2 REMARK 620 2 ASP A 131 OD1 92.8 REMARK 620 3 HIS A 215 NE2 86.2 92.9 REMARK 620 4 IMD A 302 N3 94.7 86.1 178.7 REMARK 620 5 IMD A 303 N1 94.6 169.1 95.6 85.4 REMARK 620 6 HOH A 534 O 175.2 90.3 89.9 89.3 82.8 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 NI A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue IMD A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue IMD A 303 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4XAA RELATED DB: PDB REMARK 900 RELATED ID: 4XAC RELATED DB: PDB DBREF 4XAB A 1 252 PDB 4XAB 4XAB 1 252 SEQRES 1 A 252 MET ASP ALA MET GLU VAL VAL GLY THR ILE ASP HIS ARG SEQRES 2 A 252 ASP ARG GLU GLU PHE ARG SER ARG GLY PHE ALA ILE LEU SEQRES 3 A 252 PRO GLN VAL ALA SER GLU SER GLU VAL ALA TRP LEU ARG SEQRES 4 A 252 GLN ALA TYR ASP ARG LEU PHE VAL ARG ARG ALA THR PRO SEQRES 5 A 252 GLY ALA GLU ASP PHE TYR ASP ILE ALA GLY GLN ARG ASP SEQRES 6 A 252 ARG GLU GLY PRO PRO LEU LEU PRO GLN ILE ILE LYS PRO SEQRES 7 A 252 GLU LYS TYR VAL PRO GLU LEU LEU ASP SER PRO HIS PHE SEQRES 8 A 252 ALA ARG CYS ARG SER ILE ALA SER ALA PHE LEU ASP MET SEQRES 9 A 252 ALA GLU GLU GLU LEU GLU PHE TYR GLY HIS ALA ILE LEU SEQRES 10 A 252 LYS PRO PRO ARG TYR GLY ALA PRO THR PRO TRP HIS GLN SEQRES 11 A 252 ASP GLU ALA TYR MET ASP PRO ARG TRP ARG ARG ARG GLY SEQRES 12 A 252 LEU SER ILE TRP THR THR LEU ASP GLU ALA THR VAL GLU SEQRES 13 A 252 SER GLY CYS LEU HIS TYR LEU PRO GLY GLY HIS ARG GLY SEQRES 14 A 252 PRO VAL LEU PRO HIS HIS HIS ILE ASP ASN ASP ASP ARG SEQRES 15 A 252 ILE ARG GLY LEU MET THR ASP ASP VAL ASP PRO THR SER SEQRES 16 A 252 ALA VAL ALA CYS PRO LEU ALA PRO GLY GLY ALA VAL VAL SEQRES 17 A 252 HIS ASP PHE ARG THR PRO HIS TYR ALA GLY PRO ASN LEU SEQRES 18 A 252 THR ASP GLN PRO ARG ARG ALA TYR VAL LEU VAL PHE MET SEQRES 19 A 252 SER ALA PRO ALA GLU VAL ALA ASP PRO GLU PRO ARG PRO SEQRES 20 A 252 TRP MET ASP TRP GLY HET NI A 301 1 HET IMD A 302 5 HET IMD A 303 5 HETNAM NI NICKEL (II) ION HETNAM IMD IMIDAZOLE FORMUL 2 NI NI 2+ FORMUL 3 IMD 2(C3 H5 N2 1+) FORMUL 5 HOH *171(H2 O) HELIX 1 AA1 ASP A 11 GLY A 22 1 12 HELIX 2 AA2 SER A 31 PHE A 46 1 16 HELIX 3 AA3 PRO A 78 TYR A 81 5 4 HELIX 4 AA4 GLU A 84 ASP A 87 5 4 HELIX 5 AA5 SER A 88 ASP A 103 1 16 HELIX 6 AA6 ALA A 105 LEU A 109 5 5 HELIX 7 AA7 GLN A 130 MET A 135 5 6 HELIX 8 AA8 GLY A 165 GLY A 169 5 5 HELIX 9 AA9 ASP A 181 ARG A 184 5 4 HELIX 10 AB1 ASP A 192 ALA A 196 5 5 SHEET 1 AA1 6 PHE A 23 LEU A 26 0 SHEET 2 AA1 6 ALA A 206 ASP A 210 -1 O ALA A 206 N LEU A 26 SHEET 3 AA1 6 GLY A 143 THR A 149 -1 N TRP A 147 O VAL A 207 SHEET 4 AA1 6 ARG A 226 MET A 234 -1 O TYR A 229 N THR A 148 SHEET 5 AA1 6 GLU A 110 LYS A 118 -1 N HIS A 114 O VAL A 230 SHEET 6 AA1 6 GLN A 74 ILE A 76 -1 N ILE A 75 O ALA A 115 SHEET 1 AA2 2 ARG A 48 ARG A 49 0 SHEET 2 AA2 2 PHE A 57 TYR A 58 -1 O PHE A 57 N ARG A 49 SHEET 1 AA3 4 THR A 126 HIS A 129 0 SHEET 2 AA3 4 HIS A 215 ALA A 217 -1 O ALA A 217 N THR A 126 SHEET 3 AA3 4 LEU A 160 TYR A 162 -1 N HIS A 161 O TYR A 216 SHEET 4 AA3 4 VAL A 197 ALA A 198 -1 O VAL A 197 N TYR A 162 SHEET 1 AA4 2 TRP A 139 ARG A 140 0 SHEET 2 AA4 2 ALA A 238 GLU A 239 -1 O ALA A 238 N ARG A 140 SHEET 1 AA5 2 HIS A 175 HIS A 176 0 SHEET 2 AA5 2 LEU A 186 MET A 187 -1 O MET A 187 N HIS A 175 LINK NE2 HIS A 129 NI NI A 301 1555 1555 2.05 LINK OD1 ASP A 131 NI NI A 301 1555 1555 2.06 LINK NE2 HIS A 215 NI NI A 301 1555 1555 2.07 LINK NI NI A 301 N3 IMD A 302 1555 1555 2.03 LINK NI NI A 301 N1 IMD A 303 1555 1555 2.04 LINK NI NI A 301 O HOH A 534 1555 1555 2.01 SITE 1 AC1 6 HIS A 129 ASP A 131 HIS A 215 IMD A 302 SITE 2 AC1 6 IMD A 303 HOH A 534 SITE 1 AC2 6 HIS A 129 ASP A 131 TYR A 134 NI A 301 SITE 2 AC2 6 IMD A 303 HOH A 534 SITE 1 AC3 8 THR A 126 HIS A 129 HIS A 215 NI A 301 SITE 2 AC3 8 IMD A 302 HOH A 526 HOH A 534 HOH A 556 CRYST1 42.612 65.803 84.462 90.00 90.00 90.00 P 21 21 21 4 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 0.023468 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015197 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011840 0.00000