HEADER SIGNALING PROTEIN 30-JUN-06 2HJE TITLE CRYSTAL STRUCTURE OF VIBRIO HARVEYI LUXQ PERIPLASMIC DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: AUTOINDUCER 2 SENSOR KINASE/PHOSPHATASE LUXQ; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: PERIPLASMIC DOMAIN (RESIDUES 53-271); COMPND 5 EC: 2.7.13.3; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIBRIO HARVEYI; SOURCE 3 ORGANISM_TAXID: 669; SOURCE 4 GENE: LUXQ; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PGEX-4T-1 KEYWDS PER/ARNT/SIMPLE-MINDED (PAS) FOLD, AUTOINDUCER-2 (AI-2), QUORUM KEYWDS 2 SENSING, HISTIDINE SENSOR KINASE, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.B.NEIDITCH,R.C.KELLY,F.M.HUGHSON REVDAT 3 14-FEB-24 2HJE 1 REMARK LINK REVDAT 2 24-FEB-09 2HJE 1 VERSN REVDAT 1 26-SEP-06 2HJE 0 JRNL AUTH M.B.NEIDITCH,M.J.FEDERLE,A.J.POMPEANI,R.C.KELLY,D.L.SWEM, JRNL AUTH 2 P.D.JEFFREY,B.L.BASSLER,F.M.HUGHSON JRNL TITL LIGAND-INDUCED ASYMMETRY IN HISTIDINE SENSOR KINASE COMPLEX JRNL TITL 2 REGULATES QUORUM SENSING. JRNL REF CELL(CAMBRIDGE,MASS.) V. 126 1095 2006 JRNL REFN ISSN 0092-8674 JRNL PMID 16990134 JRNL DOI 10.1016/J.CELL.2006.07.032 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.10 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 92.8 REMARK 3 NUMBER OF REFLECTIONS : 20385 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 + TEST SET) : 0.197 REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.237 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1102 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.74 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1383 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 83.52 REMARK 3 BIN R VALUE (WORKING SET) : 0.2340 REMARK 3 BIN FREE R VALUE SET COUNT : 66 REMARK 3 BIN FREE R VALUE : 0.2960 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1665 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 196 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.36 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.35000 REMARK 3 B22 (A**2) : -0.80000 REMARK 3 B33 (A**2) : 0.24000 REMARK 3 B12 (A**2) : -0.09000 REMARK 3 B13 (A**2) : 0.03000 REMARK 3 B23 (A**2) : 1.01000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.131 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.127 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.078 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.281 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.945 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.917 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1700 ; 0.012 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2319 ; 1.348 ; 1.935 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 208 ; 5.460 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 86 ;38.326 ;25.116 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 271 ;15.255 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;19.176 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 273 ; 0.091 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1302 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 765 ; 0.203 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1192 ; 0.305 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 162 ; 0.150 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 45 ; 0.248 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 11 ; 0.102 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1072 ; 0.915 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1713 ; 1.577 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 696 ; 2.352 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 606 ; 3.467 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2HJE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-JUL-06. REMARK 100 THE DEPOSITION ID IS D_1000038410. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-JUL-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1000 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21488 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 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 (%) : 92.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 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: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.69 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1:3 MIXTURE OF PROTEIN (10 MG/ML IN 10 REMARK 280 MM TRIS-HCL, 150 MM NACL, PH 7.5) AND WELL SOLUTION (8% (W/V) REMARK 280 PEG 2000 MONOMETHYL ETHER (MME), 10 MM TRIS-HCL (PH 7.0), AND 10 REMARK 280 MM NICL2), VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 296K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 GLY A 51 REMARK 465 ARG A 238 REMARK 465 LYS A 239 REMARK 465 SER A 240 REMARK 465 SER A 241 REMARK 465 ASP A 242 REMARK 465 LYS A 243 REMARK 465 ARG A 244 REMARK 465 LEU A 245 REMARK 465 ASP A 246 REMARK 465 LYS A 247 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 HIS A 110 58.01 -119.04 REMARK 500 ASP A 119 -154.76 -102.62 REMARK 500 ASN A 216 -105.66 53.76 REMARK 500 ALA A 259 15.07 57.90 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 274 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 61 NE2 REMARK 620 2 ASP A 65 OD2 90.7 REMARK 620 3 HOH A 444 O 99.9 169.2 REMARK 620 4 HOH A 445 O 91.1 98.3 83.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI A 275 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 110 NE2 REMARK 620 2 HOH A 414 O 175.0 REMARK 620 3 HOH A 435 O 91.4 88.4 REMARK 620 4 HOH A 438 O 86.3 88.7 85.8 REMARK 620 5 HOH A 466 O 98.0 86.8 106.3 166.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI A 272 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 120 ND1 REMARK 620 2 ASP A 209 OD1 174.3 REMARK 620 3 ASP A 271 OD2 96.0 89.4 REMARK 620 4 HOH A 289 O 91.4 86.6 91.3 REMARK 620 5 HOH A 459 O 91.8 90.3 86.9 176.4 REMARK 620 6 HOH A 462 O 88.4 86.3 175.0 91.1 90.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI A 273 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 131 NE2 REMARK 620 2 HOH A 343 O 92.6 REMARK 620 3 HOH A 362 O 90.5 90.3 REMARK 620 4 HOH A 370 O 175.0 87.1 94.5 REMARK 620 5 HOH A 436 O 93.7 82.9 172.1 81.3 REMARK 620 6 HOH A 456 O 92.9 174.5 90.3 87.5 96.1 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 272 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 273 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 274 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 275 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2HJ9 RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE TWO HETEROLOGOUS LUXQ N-TERMINAL RESIDUES (GLY-SER) REMARK 999 ARE DERIVED FROM THE THROMBIN CLEAVAGE SIGNAL. DBREF 2HJE A 53 271 UNP P54302 LUXQ_VIBHA 53 271 SEQADV 2HJE GLY A 51 UNP P54302 SEE REMARK 999 SEQADV 2HJE SER A 52 UNP P54302 SEE REMARK 999 SEQRES 1 A 221 GLY SER LYS GLN GLN THR SER ALA LEU ILE HIS ASN ILE SEQRES 2 A 221 PHE ASP SER HIS PHE ALA ALA ILE GLN ILE HIS HIS ASP SEQRES 3 A 221 SER ASN SER LYS SER GLU VAL ILE ARG ASP PHE TYR THR SEQRES 4 A 221 ASP ARG ASP THR ASP VAL LEU ASN PHE PHE PHE LEU SER SEQRES 5 A 221 ILE ASP GLN SER ASP PRO SER HIS THR PRO GLU PHE ARG SEQRES 6 A 221 PHE LEU THR ASP HIS LYS GLY ILE ILE TRP ASP ASP GLY SEQRES 7 A 221 ASN ALA HIS PHE TYR GLY VAL ASN ASP LEU ILE LEU ASP SEQRES 8 A 221 SER LEU ALA ASN ARG VAL SER PHE SER ASN ASN TRP TYR SEQRES 9 A 221 TYR ILE ASN VAL MET THR SER ILE GLY SER ARG HIS MET SEQRES 10 A 221 LEU VAL ARG ARG VAL PRO ILE LEU ASP PRO SER THR GLY SEQRES 11 A 221 GLU VAL LEU GLY PHE SER PHE ASN ALA VAL VAL LEU ASP SEQRES 12 A 221 ASN ASN PHE ALA LEU MET GLU LYS LEU LYS SER GLU SER SEQRES 13 A 221 ASN VAL ASP ASN VAL VAL LEU VAL ALA ASN SER VAL PRO SEQRES 14 A 221 LEU ALA ASN SER LEU ILE GLY ASP GLU PRO TYR ASN VAL SEQRES 15 A 221 ALA ASP VAL LEU GLN ARG LYS SER SER ASP LYS ARG LEU SEQRES 16 A 221 ASP LYS LEU LEU VAL ILE GLU THR PRO ILE VAL VAL ASN SEQRES 17 A 221 ALA VAL THR THR GLU LEU CYS LEU LEU THR VAL GLN ASP HET NI A 272 1 HET NI A 273 1 HET NI A 274 1 HET NI A 275 1 HETNAM NI NICKEL (II) ION FORMUL 2 NI 4(NI 2+) FORMUL 6 HOH *196(H2 O) HELIX 1 1 SER A 52 SER A 79 1 28 HELIX 2 2 SER A 81 ARG A 91 1 11 HELIX 3 3 ASP A 92 ASP A 107 1 16 HELIX 4 4 PRO A 108 THR A 111 5 4 HELIX 5 5 GLY A 128 GLY A 134 5 7 HELIX 6 6 ASN A 136 VAL A 147 1 12 HELIX 7 7 ASN A 195 SER A 206 1 12 HELIX 8 8 ASN A 231 GLN A 237 1 7 SHEET 1 A 5 ILE A 123 ASP A 126 0 SHEET 2 A 5 PHE A 114 THR A 118 -1 N LEU A 117 O ILE A 124 SHEET 3 A 5 VAL A 182 VAL A 191 -1 O PHE A 187 N PHE A 116 SHEET 4 A 5 GLY A 163 LEU A 175 -1 N ILE A 174 O GLY A 184 SHEET 5 A 5 TYR A 154 THR A 160 -1 N ILE A 156 O MET A 167 SHEET 1 B 4 VAL A 218 ASN A 222 0 SHEET 2 B 4 ASN A 210 ALA A 215 -1 N LEU A 213 O LEU A 220 SHEET 3 B 4 VAL A 260 GLN A 270 -1 O LEU A 267 N VAL A 212 SHEET 4 B 4 LEU A 249 VAL A 257 -1 N THR A 253 O LEU A 266 LINK NE2 HIS A 61 NI NI A 274 1555 1555 2.08 LINK OD2 ASP A 65 NI NI A 274 1555 1555 2.09 LINK NE2 HIS A 110 NI NI A 275 1555 1555 2.29 LINK ND1 HIS A 120 NI NI A 272 1564 1555 2.12 LINK NE2 HIS A 131 NI NI A 273 1555 1555 2.10 LINK OD1 ASP A 209 NI NI A 272 1555 1555 2.17 LINK OD2 ASP A 271 NI NI A 272 1555 1555 1.99 LINK NI NI A 272 O HOH A 289 1555 1555 2.17 LINK NI NI A 272 O HOH A 459 1555 1555 2.18 LINK NI NI A 272 O HOH A 462 1555 1555 1.93 LINK NI NI A 273 O HOH A 343 1555 1555 2.04 LINK NI NI A 273 O HOH A 362 1555 1555 2.13 LINK NI NI A 273 O HOH A 370 1555 1555 2.16 LINK NI NI A 273 O HOH A 436 1555 1555 2.09 LINK NI NI A 273 O HOH A 456 1555 1555 2.10 LINK NI NI A 274 O HOH A 444 1555 1555 2.14 LINK NI NI A 274 O HOH A 445 1555 1555 1.95 LINK NI NI A 275 O HOH A 414 1555 1555 2.35 LINK NI NI A 275 O HOH A 435 1555 1555 2.09 LINK NI NI A 275 O HOH A 438 1555 1555 2.27 LINK NI NI A 275 O HOH A 466 1555 1555 2.01 SITE 1 AC1 6 HIS A 120 ASP A 209 ASP A 271 HOH A 289 SITE 2 AC1 6 HOH A 459 HOH A 462 SITE 1 AC2 6 HIS A 131 HOH A 343 HOH A 362 HOH A 370 SITE 2 AC2 6 HOH A 436 HOH A 456 SITE 1 AC3 4 HIS A 61 ASP A 65 HOH A 444 HOH A 445 SITE 1 AC4 6 HIS A 110 LYS A 201 HOH A 414 HOH A 435 SITE 2 AC4 6 HOH A 438 HOH A 466 CRYST1 33.446 36.152 49.185 82.18 86.14 67.28 P 1 1 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 0.029899 -0.012519 -0.000524 0.00000 SCALE2 0.000000 0.029988 -0.003612 0.00000 SCALE3 0.000000 0.000000 0.020525 0.00000