HEADER SIGNALING PROTEIN, TRANSFERASE 19-DEC-07 3BQ8 TITLE CRYSTAL STRUCTURE OF THE E.COLI PHOQ SENSOR DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: SENSOR PROTEIN PHOQ; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.7.13.3; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: PHOQ; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PSC101-DERIVED PLASMID KEYWDS HISTIDINE KINASE SENSOR DOMAIN, ATP-BINDING, INNER MEMBRANE, KEYWDS 2 MAGNESIUM, MEMBRANE, METAL-BINDING, NUCLEOTIDE-BINDING, KEYWDS 3 PHOSPHOPROTEIN, TRANSFERASE, TRANSMEMBRANE, TWO-COMPONENT REGULATORY KEYWDS 4 SYSTEM, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.CHEUNG,W.A.HENDRICKSON,C.D.WALDBURGER REVDAT 5 25-OCT-17 3BQ8 1 REMARK REVDAT 4 24-FEB-09 3BQ8 1 VERSN REVDAT 3 27-MAY-08 3BQ8 1 JRNL REVDAT 2 01-APR-08 3BQ8 1 JRNL REVDAT 1 25-MAR-08 3BQ8 0 JRNL AUTH J.CHEUNG,C.A.BINGMAN,M.REYNGOLD,W.A.HENDRICKSON, JRNL AUTH 2 C.D.WALDBURGER JRNL TITL CRYSTAL STRUCTURE OF A FUNCTIONAL DIMER OF THE PHOQ SENSOR JRNL TITL 2 DOMAIN. JRNL REF J.BIOL.CHEM. V. 283 13762 2008 JRNL REFN ISSN 0021-9258 JRNL PMID 18348979 JRNL DOI 10.1074/JBC.M710592200 REMARK 2 REMARK 2 RESOLUTION. 2.50 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.17 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 739311.490 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.4 REMARK 3 NUMBER OF REFLECTIONS : 10255 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) : 0.203 REMARK 3 FREE R VALUE : 0.302 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 517 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.013 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.66 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 83.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1469 REMARK 3 BIN R VALUE (WORKING SET) : 0.2450 REMARK 3 BIN FREE R VALUE : 0.3730 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 75 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.043 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2231 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 184 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 35.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.37000 REMARK 3 B22 (A**2) : 5.10000 REMARK 3 B33 (A**2) : -2.73000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.29000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.28 REMARK 3 ESD FROM SIGMAA (A) : 0.26 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) : 0.48 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.39 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.870 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) : 2.460 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.940 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.140 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.840 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.39 REMARK 3 BSOL : 88.41 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 : ACY_XPLOR_PAR.TXT REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ACY_XPLOR_TOP.TXT REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3BQ8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-JAN-08. REMARK 100 THE DEPOSITION ID IS D_1000045831. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUN-98 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9879, 0.9793, 0.9790, 0.9641 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10480 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.2 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.59 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.26500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE, DM REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.02 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG3400, TRIS, SODIUM ACETATE, NICKEL REMARK 280 CHLORIDE, PH 8.5, VAPOR DIFFUSION REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 56.98250 REMARK 290 SMTRY3 2 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: DIMERIC 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 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 SER A 43 REMARK 465 PHE A 44 REMARK 465 GLY A 135 REMARK 465 ASP A 136 REMARK 465 TYR A 189 REMARK 465 MET A 190 REMARK 465 SER B 43 REMARK 465 PHE B 44 REMARK 465 GLU B 76 REMARK 465 ASN B 77 REMARK 465 ILE B 78 REMARK 465 ASP B 79 REMARK 465 LYS B 80 REMARK 465 GLN B 81 REMARK 465 SER B 82 REMARK 465 ASP B 136 REMARK 465 HIS B 137 REMARK 465 SER B 187 REMARK 465 SER B 188 REMARK 465 TYR B 189 REMARK 465 MET B 190 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 OG SER A 130 O HOH A 198 2.11 REMARK 500 O HOH B 188 O HOH B 204 2.11 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 PRO A 75 156.43 -49.98 REMARK 500 SER A 116 154.02 175.79 REMARK 500 ASP A 150 97.47 -162.24 REMARK 500 ALA A 166 153.53 -42.54 REMARK 500 SER A 187 -14.65 -48.16 REMARK 500 SER B 134 -23.63 65.74 REMARK 500 ASP B 150 94.33 178.57 REMARK 500 THR B 167 -141.66 -138.21 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 2 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 152 OD1 REMARK 620 2 HOH A 211 O 78.3 REMARK 620 3 HOH A 210 O 158.2 119.5 REMARK 620 4 HOH A 208 O 96.8 156.5 71.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI B 1 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 152 OD1 REMARK 620 2 HOH B 215 O 84.3 REMARK 620 3 HOH B 202 O 105.1 166.4 REMARK 620 4 HOH B 203 O 98.7 122.1 67.0 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 B 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY B 187 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3BQA RELATED DB: PDB DBREF 3BQ8 A 43 190 UNP P23837 PHOQ_ECOLI 43 190 DBREF 3BQ8 B 43 190 UNP P23837 PHOQ_ECOLI 43 190 SEQRES 1 A 148 SER PHE ASP LYS THR THR PHE ARG LEU LEU ARG GLY GLU SEQRES 2 A 148 SER ASN LEU PHE TYR THR LEU ALA LYS TRP GLU ASN ASN SEQRES 3 A 148 LYS LEU HIS VAL GLU LEU PRO GLU ASN ILE ASP LYS GLN SEQRES 4 A 148 SER PRO THR MSE THR LEU ILE TYR ASP GLU ASN GLY GLN SEQRES 5 A 148 LEU LEU TRP ALA GLN ARG ASP VAL PRO TRP LEU MSE LYS SEQRES 6 A 148 MSE ILE GLN PRO ASP TRP LEU LYS SER ASN GLY PHE HIS SEQRES 7 A 148 GLU ILE GLU ALA ASP VAL ASN ASP THR SER LEU LEU LEU SEQRES 8 A 148 SER GLY ASP HIS SER ILE GLN GLN GLN LEU GLN GLU VAL SEQRES 9 A 148 ARG GLU ASP ASP ASP ASP ALA GLU MSE THR HIS SER VAL SEQRES 10 A 148 ALA VAL ASN VAL TYR PRO ALA THR SER ARG MSE PRO LYS SEQRES 11 A 148 LEU THR ILE VAL VAL VAL ASP THR ILE PRO VAL GLU LEU SEQRES 12 A 148 LYS SER SER TYR MET SEQRES 1 B 148 SER PHE ASP LYS THR THR PHE ARG LEU LEU ARG GLY GLU SEQRES 2 B 148 SER ASN LEU PHE TYR THR LEU ALA LYS TRP GLU ASN ASN SEQRES 3 B 148 LYS LEU HIS VAL GLU LEU PRO GLU ASN ILE ASP LYS GLN SEQRES 4 B 148 SER PRO THR MSE THR LEU ILE TYR ASP GLU ASN GLY GLN SEQRES 5 B 148 LEU LEU TRP ALA GLN ARG ASP VAL PRO TRP LEU MSE LYS SEQRES 6 B 148 MSE ILE GLN PRO ASP TRP LEU LYS SER ASN GLY PHE HIS SEQRES 7 B 148 GLU ILE GLU ALA ASP VAL ASN ASP THR SER LEU LEU LEU SEQRES 8 B 148 SER GLY ASP HIS SER ILE GLN GLN GLN LEU GLN GLU VAL SEQRES 9 B 148 ARG GLU ASP ASP ASP ASP ALA GLU MSE THR HIS SER VAL SEQRES 10 B 148 ALA VAL ASN VAL TYR PRO ALA THR SER ARG MSE PRO LYS SEQRES 11 B 148 LEU THR ILE VAL VAL VAL ASP THR ILE PRO VAL GLU LEU SEQRES 12 B 148 LYS SER SER TYR MET MODRES 3BQ8 MSE A 85 MET SELENOMETHIONINE MODRES 3BQ8 MSE A 106 MET SELENOMETHIONINE MODRES 3BQ8 MSE A 108 MET SELENOMETHIONINE MODRES 3BQ8 MSE A 155 MET SELENOMETHIONINE MODRES 3BQ8 MSE A 170 MET SELENOMETHIONINE MODRES 3BQ8 MSE B 85 MET SELENOMETHIONINE MODRES 3BQ8 MSE B 106 MET SELENOMETHIONINE MODRES 3BQ8 MSE B 108 MET SELENOMETHIONINE MODRES 3BQ8 MSE B 155 MET SELENOMETHIONINE MODRES 3BQ8 MSE B 170 MET SELENOMETHIONINE HET MSE A 85 8 HET MSE A 106 8 HET MSE A 108 8 HET MSE A 155 8 HET MSE A 170 8 HET MSE B 85 8 HET MSE B 106 8 HET MSE B 108 8 HET MSE B 155 8 HET MSE B 170 8 HET NI A 2 1 HET NI B 1 1 HET ACY B 187 4 HETNAM MSE SELENOMETHIONINE HETNAM NI NICKEL (II) ION HETNAM ACY ACETIC ACID FORMUL 1 MSE 10(C5 H11 N O2 SE) FORMUL 3 NI 2(NI 2+) FORMUL 5 ACY C2 H4 O2 FORMUL 6 HOH *184(H2 O) HELIX 1 1 ASP A 45 LEU A 62 1 18 HELIX 2 2 ASN A 77 SER A 82 1 6 HELIX 3 3 VAL A 102 ILE A 109 1 8 HELIX 4 4 GLN A 110 SER A 116 5 7 HELIX 5 5 VAL A 126 LEU A 132 1 7 HELIX 6 6 SER A 138 ASP A 150 1 13 HELIX 7 7 PRO A 182 LYS A 186 5 5 HELIX 8 8 LYS B 46 ALA B 63 1 18 HELIX 9 9 VAL B 102 LYS B 107 1 6 HELIX 10 10 GLN B 110 SER B 116 5 7 HELIX 11 11 VAL B 126 LEU B 132 1 7 HELIX 12 12 ILE B 139 ASP B 150 1 12 HELIX 13 13 PRO B 182 LYS B 186 5 5 SHEET 1 A 2 ALA A 63 TRP A 65 0 SHEET 2 A 2 LEU A 70 VAL A 72 -1 O HIS A 71 N LYS A 64 SHEET 1 B 5 LEU A 95 ALA A 98 0 SHEET 2 B 5 THR A 84 ASP A 90 -1 N ILE A 88 O LEU A 96 SHEET 3 B 5 LEU A 173 ASP A 179 -1 O THR A 174 N TYR A 89 SHEET 4 B 5 GLU A 154 TYR A 164 -1 N TYR A 164 O LEU A 173 SHEET 5 B 5 GLY A 118 ASP A 125 -1 N ALA A 124 O MSE A 155 SHEET 1 C 2 LYS B 64 GLU B 66 0 SHEET 2 C 2 LYS B 69 HIS B 71 -1 O HIS B 71 N LYS B 64 SHEET 1 D 5 LEU B 95 ALA B 98 0 SHEET 2 D 5 THR B 84 TYR B 89 -1 N ILE B 88 O TRP B 97 SHEET 3 D 5 LEU B 173 ASP B 179 -1 O VAL B 176 N LEU B 87 SHEET 4 D 5 GLU B 154 TYR B 164 -1 N ALA B 160 O VAL B 177 SHEET 5 D 5 GLY B 118 ASP B 125 -1 N ALA B 124 O MSE B 155 LINK OD1 ASP A 152 NI NI A 2 1555 1555 2.06 LINK OD1 ASP B 152 NI NI B 1 1555 1555 2.10 LINK NI NI B 1 O HOH B 215 1555 1555 2.14 LINK NI NI B 1 O HOH B 202 1555 1555 2.28 LINK NI NI B 1 O HOH B 203 1555 1555 2.54 LINK NI NI A 2 O HOH A 211 1555 1555 2.37 LINK NI NI A 2 O HOH A 210 1555 1555 2.46 LINK NI NI A 2 O HOH A 208 1555 1555 2.25 LINK C THR A 84 N MSE A 85 1555 1555 1.33 LINK C MSE A 85 N THR A 86 1555 1555 1.32 LINK C LEU A 105 N MSE A 106 1555 1555 1.33 LINK C MSE A 106 N LYS A 107 1555 1555 1.33 LINK C LYS A 107 N MSE A 108 1555 1555 1.33 LINK C MSE A 108 N ILE A 109 1555 1555 1.33 LINK C GLU A 154 N MSE A 155 1555 1555 1.34 LINK C MSE A 155 N THR A 156 1555 1555 1.33 LINK C ARG A 169 N MSE A 170 1555 1555 1.33 LINK C MSE A 170 N PRO A 171 1555 1555 1.35 LINK C THR B 84 N MSE B 85 1555 1555 1.32 LINK C MSE B 85 N THR B 86 1555 1555 1.32 LINK C LEU B 105 N MSE B 106 1555 1555 1.33 LINK C MSE B 106 N LYS B 107 1555 1555 1.33 LINK C LYS B 107 N MSE B 108 1555 1555 1.33 LINK C MSE B 108 N ILE B 109 1555 1555 1.33 LINK C GLU B 154 N MSE B 155 1555 1555 1.33 LINK C MSE B 155 N THR B 156 1555 1555 1.33 LINK C ARG B 169 N MSE B 170 1555 1555 1.33 LINK C MSE B 170 N PRO B 171 1555 1555 1.34 SITE 1 AC1 6 ASP B 152 HOH B 202 HOH B 203 HOH B 209 SITE 2 AC1 6 HOH B 215 HOH B 237 SITE 1 AC2 6 ASP A 152 HOH A 208 HOH A 209 HOH A 210 SITE 2 AC2 6 HOH A 211 HOH A 220 SITE 1 AC3 6 GLN A 81 ARG B 53 ASN B 57 ASN B 117 SITE 2 AC3 6 ASN B 162 TYR B 164 CRYST1 33.591 113.965 45.528 90.00 109.45 90.00 P 1 21 1 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 0.029770 0.000000 0.010513 0.00000 SCALE2 0.000000 0.008775 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023294 0.00000