HEADER TRANSFERASE 17-MAY-11 3S2X TITLE STRUCTURE OF ACETYL-COENZYME A SYNTHASE ALPHA SUBUNIT C-TERMINAL TITLE 2 DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: ACETYL-COA SYNTHASE SUBUNIT ALPHA; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: C-TERMINAL DOMAIN (UNP RESIDUES 594-729); COMPND 5 SYNONYM: ACS SUBUNIT, CODH/ACS; COMPND 6 EC: 2.3.1.169; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MOORELLA THERMOACETICA; SOURCE 3 ORGANISM_TAXID: 1525; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR P.LI REVDAT 2 28-FEB-24 3S2X 1 REMARK SEQADV LINK REVDAT 1 27-JUL-11 3S2X 0 JRNL AUTH Y.LIU,F.WANG,P.LI,X.TAN JRNL TITL INSIGHTS INTO THE MECHANISTIC ROLE OF THE [FE(4) S(4) ] JRNL TITL 2 CUBANE IN THE A-CLUSTER {[FE(4) S(4) ]-(SR)-[NI(P) NI(D) ]} JRNL TITL 3 OF ACETYL-COENZYME A SYNTHASE. JRNL REF CHEMBIOCHEM V. 12 1417 2011 JRNL REFN ISSN 1439-4227 JRNL PMID 21626638 JRNL DOI 10.1002/CBIC.201100101 REMARK 2 REMARK 2 RESOLUTION. 2.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 2.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.60 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) (%) : 93.7 REMARK 3 NUMBER OF REFLECTIONS : 11164 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.221 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.600 REMARK 3 FREE R VALUE TEST SET COUNT : 900 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 2005 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 14 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 59.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 13.78200 REMARK 3 B22 (A**2) : 13.78200 REMARK 3 B33 (A**2) : -27.56500 REMARK 3 B12 (A**2) : 1.40500 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.360 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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) : 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 : 48.11 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 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CNS_TOPPAR:DNA-RNA.PARAM REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 4 : CNS_TOPPAR:WATER.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE ASSOCIATED STRUCTURE FACTOR FILE REMARK 3 CONTAINS NO FREE R TEST SET FLAGS. REMARK 4 REMARK 4 3S2X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-MAY-11. REMARK 100 THE DEPOSITION ID IS D_1000065693. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-JAN-06 REMARK 200 TEMPERATURE (KELVIN) : 120 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.49 REMARK 200 MONOCHROMATOR : SI CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11621 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.350 REMARK 200 RESOLUTION RANGE LOW (A) : 42.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 200 DATA REDUNDANCY : 10.40 REMARK 200 R MERGE (I) : 0.07800 REMARK 200 R SYM (I) : 0.07800 REMARK 200 FOR THE DATA SET : 55.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.43 REMARK 200 COMPLETENESS FOR SHELL (%) : 83.2 REMARK 200 DATA REDUNDANCY IN SHELL : 8.60 REMARK 200 R MERGE FOR SHELL (I) : 0.45600 REMARK 200 R SYM FOR SHELL (I) : 0.45600 REMARK 200 FOR SHELL : 5.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.61 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.49 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 15% ETHANOL, PH 5.5, EVAPORATION, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 X+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 64.52000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 37.25064 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 15.34333 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 64.52000 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 37.25064 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 15.34333 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 64.52000 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 37.25064 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 15.34333 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 74.50128 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 30.68667 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 74.50128 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 30.68667 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 74.50128 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 30.68667 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 GLY A 43 REMARK 465 GLY A 44 REMARK 465 GLY A 45 REMARK 465 THR A 46 REMARK 465 ALA A 137 REMARK 465 GLY B 44 REMARK 465 GLY B 45 REMARK 465 THR B 46 REMARK 465 GLN B 47 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 GLN A 47 CG CD OE1 NE2 REMARK 470 THR A 48 OG1 CG2 REMARK 470 THR B 48 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 CYS A 2 -83.13 -86.14 REMARK 500 PHE A 64 107.95 -41.92 REMARK 500 HIS A 86 -78.20 -22.93 REMARK 500 PHE B 64 106.71 -59.94 REMARK 500 HIS B 86 -72.27 -27.84 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 201 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 1 N REMARK 620 2 CYS A 2 N 84.9 REMARK 620 3 CYS A 2 SG 149.3 78.1 REMARK 620 4 HOH A 139 O 126.4 148.3 71.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI A 200 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 2 SG REMARK 620 2 GLY A 3 N 99.1 REMARK 620 3 CYS A 4 N 171.2 77.7 REMARK 620 4 CYS A 4 SG 90.1 170.8 93.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI B 203 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER B 1 N REMARK 620 2 CYS B 2 N 83.6 REMARK 620 3 CYS B 2 SG 151.2 78.3 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI B 202 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 2 SG REMARK 620 2 GLY B 3 N 100.3 REMARK 620 3 CYS B 4 N 169.8 70.5 REMARK 620 4 CYS B 4 SG 98.5 159.9 90.2 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 NI A 200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI B 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI B 203 DBREF 3S2X A 1 136 UNP P27988 DCMA_MOOTH 594 729 DBREF 3S2X B 1 136 UNP P27988 DCMA_MOOTH 594 729 SEQADV 3S2X ALA A 137 UNP P27988 EXPRESSION TAG SEQADV 3S2X ALA B 137 UNP P27988 EXPRESSION TAG SEQRES 1 A 137 SER CYS GLY CYS PHE GLU ALA ILE MET ALA ILE LEU PRO SEQRES 2 A 137 GLU CYS ASN GLY ILE MET ILE THR THR ARG ASP HIS ALA SEQRES 3 A 137 GLY MET THR PRO SER GLY MET THR PHE SER THR LEU ALA SEQRES 4 A 137 GLY MET ILE GLY GLY GLY THR GLN THR PRO GLY PHE MET SEQRES 5 A 137 GLY ILE GLY ARG THR TYR ILE VAL SER LYS LYS PHE ILE SEQRES 6 A 137 SER ALA ASP GLY GLY ILE ALA ARG ILE VAL TRP MET PRO SEQRES 7 A 137 LYS SER LEU LYS ASP PHE LEU HIS ASP GLU PHE VAL ARG SEQRES 8 A 137 ARG SER VAL GLU GLU GLY LEU GLY GLU ASP PHE ILE ASP SEQRES 9 A 137 LYS ILE ALA ASP GLU THR ILE GLY THR THR VAL ASP GLU SEQRES 10 A 137 ILE LEU PRO TYR LEU GLU GLU LYS GLY HIS PRO ALA LEU SEQRES 11 A 137 THR MET ASP PRO ILE MET ALA SEQRES 1 B 137 SER CYS GLY CYS PHE GLU ALA ILE MET ALA ILE LEU PRO SEQRES 2 B 137 GLU CYS ASN GLY ILE MET ILE THR THR ARG ASP HIS ALA SEQRES 3 B 137 GLY MET THR PRO SER GLY MET THR PHE SER THR LEU ALA SEQRES 4 B 137 GLY MET ILE GLY GLY GLY THR GLN THR PRO GLY PHE MET SEQRES 5 B 137 GLY ILE GLY ARG THR TYR ILE VAL SER LYS LYS PHE ILE SEQRES 6 B 137 SER ALA ASP GLY GLY ILE ALA ARG ILE VAL TRP MET PRO SEQRES 7 B 137 LYS SER LEU LYS ASP PHE LEU HIS ASP GLU PHE VAL ARG SEQRES 8 B 137 ARG SER VAL GLU GLU GLY LEU GLY GLU ASP PHE ILE ASP SEQRES 9 B 137 LYS ILE ALA ASP GLU THR ILE GLY THR THR VAL ASP GLU SEQRES 10 B 137 ILE LEU PRO TYR LEU GLU GLU LYS GLY HIS PRO ALA LEU SEQRES 11 B 137 THR MET ASP PRO ILE MET ALA HET NI A 200 1 HET NI A 201 1 HET NI B 202 1 HET NI B 203 1 HETNAM NI NICKEL (II) ION FORMUL 3 NI 4(NI 2+) FORMUL 7 HOH *14(H2 O) HELIX 1 1 THR A 34 GLY A 40 1 7 HELIX 2 2 GLY A 55 VAL A 60 1 6 HELIX 3 3 ILE A 65 ALA A 72 5 8 HELIX 4 4 PRO A 78 GLU A 96 1 19 HELIX 5 5 GLY A 99 ILE A 106 5 8 HELIX 6 6 THR A 114 LYS A 125 1 12 HELIX 7 7 HIS A 127 MET A 132 5 6 HELIX 8 8 PRO B 13 ASN B 16 5 4 HELIX 9 9 THR B 34 MET B 41 1 8 HELIX 10 10 GLY B 55 SER B 61 5 7 HELIX 11 11 ILE B 65 ALA B 72 5 8 HELIX 12 12 PRO B 78 GLU B 96 1 19 HELIX 13 13 ASP B 101 LYS B 105 5 5 HELIX 14 14 THR B 114 GLY B 126 1 13 HELIX 15 15 HIS B 127 MET B 132 5 6 SHEET 1 A 4 PHE A 51 ILE A 54 0 SHEET 2 A 4 ALA A 7 LEU A 12 -1 N ALA A 7 O ILE A 54 SHEET 3 A 4 GLY A 17 THR A 22 -1 O MET A 19 N ALA A 10 SHEET 4 A 4 ILE A 74 TRP A 76 1 O VAL A 75 N ILE A 18 SHEET 1 B 4 PHE B 51 ILE B 54 0 SHEET 2 B 4 ALA B 7 LEU B 12 -1 N ALA B 7 O ILE B 54 SHEET 3 B 4 GLY B 17 THR B 22 -1 O GLY B 17 N LEU B 12 SHEET 4 B 4 ILE B 74 TRP B 76 1 O VAL B 75 N ILE B 18 LINK N SER A 1 NI NI A 201 1555 1555 2.15 LINK SG CYS A 2 NI NI A 200 1555 1555 2.18 LINK N CYS A 2 NI NI A 201 1555 1555 2.10 LINK SG CYS A 2 NI NI A 201 1555 1555 2.45 LINK N GLY A 3 NI NI A 200 1555 1555 2.25 LINK N CYS A 4 NI NI A 200 1555 1555 1.95 LINK SG CYS A 4 NI NI A 200 1555 1555 2.42 LINK O HOH A 139 NI NI A 201 1555 1555 2.66 LINK N SER B 1 NI NI B 203 1555 1555 2.12 LINK SG CYS B 2 NI NI B 202 1555 1555 2.17 LINK N CYS B 2 NI NI B 203 1555 1555 2.19 LINK SG CYS B 2 NI NI B 203 1555 1555 2.40 LINK N GLY B 3 NI NI B 202 1555 1555 2.41 LINK N CYS B 4 NI NI B 202 1555 1555 2.10 LINK SG CYS B 4 NI NI B 202 1555 1555 2.39 SITE 1 AC1 5 CYS A 2 GLY A 3 CYS A 4 PHE A 5 SITE 2 AC1 5 NI A 201 SITE 1 AC2 5 SER A 1 CYS A 2 PHE A 5 HOH A 139 SITE 2 AC2 5 NI A 200 SITE 1 AC3 6 TYR A 58 CYS B 2 GLY B 3 CYS B 4 SITE 2 AC3 6 PHE B 5 NI B 203 SITE 1 AC4 4 SER B 1 CYS B 2 PHE B 5 NI B 202 CRYST1 129.040 129.040 46.030 90.00 90.00 120.00 H 3 18 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 0.007750 0.004474 0.000000 0.00000 SCALE2 0.000000 0.008948 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021725 0.00000