HEADER TRANSPORT PROTEIN 23-DEC-19 6VD9 TITLE METAL-BOUND C-TERMINAL DOMAIN OF THE CZCD TRANSPORTER FROM CUPRIVIDUS TITLE 2 METALLIDURANS COMPND MOL_ID: 1; COMPND 2 MOLECULE: METAL CATION EFFLUX SYSTEM PROTEIN CZCD; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: COBALT-ZINC-CADMIUM RESISTANCE PROTEIN CZCD; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CUPRIAVIDUS METALLIDURANS (STRAIN ATCC 43123 / SOURCE 3 DSM 2839 / NBRC 102507 / CH34); SOURCE 4 ORGANISM_TAXID: 266264; SOURCE 5 STRAIN: ATCC 43123 / DSM 2839 / NBRC 102507 / CH34; SOURCE 6 GENE: CZCD, RMET_5979; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CATION DIFFUSION FACILITATOR PROTEIN (CDF), CZCD, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.J.MAHER REVDAT 2 11-OCT-23 6VD9 1 LINK REVDAT 1 24-JUN-20 6VD9 0 JRNL AUTH S.R.UDAGEDARA,D.M.LA PORTA,C.SPEHAR,G.PUROHIT,M.J.A.HEIN, JRNL AUTH 2 M.E.FATMOUS,G.P.CASAS GARCIA,K.GANIO,C.A.MCDEVITT,M.J.MAHER JRNL TITL STRUCTURAL AND FUNCTIONAL CHARACTERIZATIONS OF THE JRNL TITL 2 C-TERMINAL DOMAINS OF CZCD PROTEINS. JRNL REF J.INORG.BIOCHEM. V. 208 11087 2020 JRNL REFN ISSN 0162-0134 JRNL PMID 32505855 JRNL DOI 10.1016/J.JINORGBIO.2020.111087 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 7.0.073 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.57 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 3 NUMBER OF REFLECTIONS : 27942 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) : 0.225 REMARK 3 R VALUE (WORKING SET) : 0.224 REMARK 3 FREE R VALUE : 0.258 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1453 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2208 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 228 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.93 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.75000 REMARK 3 B22 (A**2) : 0.22000 REMARK 3 B33 (A**2) : -0.81000 REMARK 3 B12 (A**2) : -0.31000 REMARK 3 B13 (A**2) : 0.20000 REMARK 3 B23 (A**2) : -0.33000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.149 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.138 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.095 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.907 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 6VD9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-JAN-20. REMARK 100 THE DEPOSITION ID IS D_1000246197. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JUN-16 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 : AUSTRALIAN SYNCHROTRON REMARK 200 BEAMLINE : MX2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9537 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS 5.8.0238 REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29396 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 39.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 200 DATA REDUNDANCY : 2.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.2000 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) : 1.78 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: 6VD8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.31 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM SULPHATE, 0.1 M BIS REMARK 280 -TRIS PH 5.7, 22% (W/V) PEG 3350, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K 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, 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, D 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 ASP A 213 REMARK 465 ASP A 214 REMARK 465 ASP B 213 REMARK 465 ASP B 214 REMARK 465 ASP C 213 REMARK 465 ASP C 214 REMARK 465 LEU C 241 REMARK 465 THR C 242 REMARK 465 SER C 243 REMARK 465 GLY C 244 REMARK 465 LYS C 245 REMARK 465 ASP D 213 REMARK 465 ASP D 214 REMARK 465 THR D 242 REMARK 465 SER D 243 REMARK 465 GLY D 244 REMARK 465 LYS D 245 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 LYS A 245 CG CD CE NZ REMARK 470 LYS B 245 CG CD CE NZ REMARK 470 GLU C 263 CG CD OE1 OE2 REMARK 470 LYS D 231 CG CD CE NZ REMARK 470 GLU D 263 CG CD OE1 OE2 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 B 438 O HOH B 441 2.00 REMARK 500 O ASN B 254 O HOH B 401 2.03 REMARK 500 O HOH B 401 O HOH B 430 2.10 REMARK 500 O HOH C 401 O HOH C 437 2.13 REMARK 500 NE2 GLN C 270 O HOH C 401 2.16 REMARK 500 O HOH A 457 O HOH B 441 2.19 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 VAL A 264 -47.31 -130.87 REMARK 500 VAL C 264 -48.21 -142.17 REMARK 500 VAL D 264 -42.92 -139.60 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B 462 DISTANCE = 6.59 ANGSTROMS 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 234 NE2 REMARK 620 2 HIS A 251 ND1 109.7 REMARK 620 3 GLU A 286 OE2 108.3 76.2 REMARK 620 4 HOH A 401 O 165.5 84.7 74.1 REMARK 620 5 HOH A 411 O 89.0 91.6 161.3 90.9 REMARK 620 6 HOH A 428 O 83.8 165.6 95.0 81.8 93.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI B 301 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 234 NE2 REMARK 620 2 HIS B 251 ND1 106.9 REMARK 620 3 GLU B 286 OE2 118.1 73.0 REMARK 620 4 HOH B 402 O 163.6 87.2 73.5 REMARK 620 5 HOH B 416 O 82.4 93.7 157.8 88.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI C 301 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS C 234 NE2 REMARK 620 2 HIS C 251 ND1 103.8 REMARK 620 3 GLU C 286 OE1 83.4 96.0 REMARK 620 4 HOH C 416 O 167.3 88.9 96.8 REMARK 620 5 HOH C 417 O 85.1 99.2 162.7 91.7 REMARK 620 6 HOH C 420 O 84.6 171.1 82.0 82.8 84.2 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI D 301 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS D 234 NE2 REMARK 620 2 HIS D 251 ND1 100.8 REMARK 620 3 GLU D 286 OE1 77.9 96.9 REMARK 620 4 HOH D 415 O 97.0 96.2 166.7 REMARK 620 5 HOH D 418 O 87.5 169.3 78.1 89.5 REMARK 620 6 HOH D 419 O 171.6 87.3 103.6 79.6 84.8 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 NI B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NI C 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NI D 301 DBREF 6VD9 A 213 287 UNP P13512 CZCD_CUPMC 213 287 DBREF 6VD9 B 213 287 UNP P13512 CZCD_CUPMC 213 287 DBREF 6VD9 C 213 287 UNP P13512 CZCD_CUPMC 213 287 DBREF 6VD9 D 213 287 UNP P13512 CZCD_CUPMC 213 287 SEQRES 1 A 75 ASP ASP VAL ASP LEU ALA GLU VAL GLU LYS GLN ILE LEU SEQRES 2 A 75 ALA THR PRO GLY VAL LYS SER PHE HIS ASP LEU HIS ILE SEQRES 3 A 75 TRP ALA LEU THR SER GLY LYS ALA SER LEU THR VAL HIS SEQRES 4 A 75 VAL VAL ASN ASP THR ALA VAL ASN PRO GLU MET GLU VAL SEQRES 5 A 75 LEU PRO GLU LEU LYS GLN MET LEU ALA ASP LYS PHE ASP SEQRES 6 A 75 ILE THR HIS VAL THR ILE GLN PHE GLU LEU SEQRES 1 B 75 ASP ASP VAL ASP LEU ALA GLU VAL GLU LYS GLN ILE LEU SEQRES 2 B 75 ALA THR PRO GLY VAL LYS SER PHE HIS ASP LEU HIS ILE SEQRES 3 B 75 TRP ALA LEU THR SER GLY LYS ALA SER LEU THR VAL HIS SEQRES 4 B 75 VAL VAL ASN ASP THR ALA VAL ASN PRO GLU MET GLU VAL SEQRES 5 B 75 LEU PRO GLU LEU LYS GLN MET LEU ALA ASP LYS PHE ASP SEQRES 6 B 75 ILE THR HIS VAL THR ILE GLN PHE GLU LEU SEQRES 1 C 75 ASP ASP VAL ASP LEU ALA GLU VAL GLU LYS GLN ILE LEU SEQRES 2 C 75 ALA THR PRO GLY VAL LYS SER PHE HIS ASP LEU HIS ILE SEQRES 3 C 75 TRP ALA LEU THR SER GLY LYS ALA SER LEU THR VAL HIS SEQRES 4 C 75 VAL VAL ASN ASP THR ALA VAL ASN PRO GLU MET GLU VAL SEQRES 5 C 75 LEU PRO GLU LEU LYS GLN MET LEU ALA ASP LYS PHE ASP SEQRES 6 C 75 ILE THR HIS VAL THR ILE GLN PHE GLU LEU SEQRES 1 D 75 ASP ASP VAL ASP LEU ALA GLU VAL GLU LYS GLN ILE LEU SEQRES 2 D 75 ALA THR PRO GLY VAL LYS SER PHE HIS ASP LEU HIS ILE SEQRES 3 D 75 TRP ALA LEU THR SER GLY LYS ALA SER LEU THR VAL HIS SEQRES 4 D 75 VAL VAL ASN ASP THR ALA VAL ASN PRO GLU MET GLU VAL SEQRES 5 D 75 LEU PRO GLU LEU LYS GLN MET LEU ALA ASP LYS PHE ASP SEQRES 6 D 75 ILE THR HIS VAL THR ILE GLN PHE GLU LEU HET NI A 301 1 HET NI B 301 1 HET NI C 301 1 HET NI D 301 1 HETNAM NI NICKEL (II) ION FORMUL 5 NI 4(NI 2+) FORMUL 9 HOH *228(H2 O) HELIX 1 AA1 ASP A 216 ALA A 226 1 11 HELIX 2 AA2 ASN A 259 VAL A 264 1 6 HELIX 3 AA3 VAL A 264 ASP A 277 1 14 HELIX 4 AA4 ASP B 216 THR B 227 1 12 HELIX 5 AA5 ASN B 259 VAL B 264 1 6 HELIX 6 AA6 VAL B 264 ASP B 277 1 14 HELIX 7 AA7 ASP C 216 ALA C 226 1 11 HELIX 8 AA8 ASN C 259 VAL C 264 1 6 HELIX 9 AA9 VAL C 264 ASP C 277 1 14 HELIX 10 AB1 ASP D 216 THR D 227 1 12 HELIX 11 AB2 ASN D 259 VAL D 264 1 6 HELIX 12 AB3 VAL D 264 ASP D 277 1 14 SHEET 1 AA1 3 VAL A 230 ALA A 240 0 SHEET 2 AA1 3 ALA A 246 ASN A 254 -1 O THR A 249 N HIS A 237 SHEET 3 AA1 3 HIS A 280 GLU A 286 1 O GLN A 284 N VAL A 252 SHEET 1 AA2 3 VAL B 230 ALA B 240 0 SHEET 2 AA2 3 ALA B 246 ASN B 254 -1 O VAL B 253 N LYS B 231 SHEET 3 AA2 3 HIS B 280 GLU B 286 1 O GLN B 284 N VAL B 252 SHEET 1 AA3 3 VAL C 230 TRP C 239 0 SHEET 2 AA3 3 SER C 247 ASN C 254 -1 O SER C 247 N TRP C 239 SHEET 3 AA3 3 HIS C 280 GLU C 286 1 O GLN C 284 N VAL C 252 SHEET 1 AA4 3 VAL D 230 HIS D 237 0 SHEET 2 AA4 3 SER D 247 ASN D 254 -1 O THR D 249 N HIS D 237 SHEET 3 AA4 3 HIS D 280 GLU D 286 1 O GLN D 284 N VAL D 252 LINK NE2 HIS A 234 NI NI A 301 1555 1555 2.32 LINK ND1 HIS A 251 NI NI A 301 1555 1555 2.65 LINK OE2 GLU A 286 NI NI A 301 1555 1555 1.98 LINK NI NI A 301 O HOH A 401 1555 1555 1.89 LINK NI NI A 301 O HOH A 411 1555 1555 2.50 LINK NI NI A 301 O HOH A 428 1555 1555 2.26 LINK NE2 HIS B 234 NI NI B 301 1555 1555 2.19 LINK ND1 HIS B 251 NI NI B 301 1555 1555 2.55 LINK OE2 GLU B 286 NI NI B 301 1555 1555 2.05 LINK NI NI B 301 O HOH B 402 1555 1555 1.88 LINK NI NI B 301 O HOH B 416 1555 1555 2.31 LINK NE2 HIS C 234 NI NI C 301 1555 1555 2.12 LINK ND1 HIS C 251 NI NI C 301 1555 1555 2.20 LINK OE1 GLU C 286 NI NI C 301 1555 1555 2.07 LINK NI NI C 301 O HOH C 416 1555 1555 1.96 LINK NI NI C 301 O HOH C 417 1555 1555 1.85 LINK NI NI C 301 O HOH C 420 1555 1555 2.10 LINK NE2 HIS D 234 NI NI D 301 1555 1555 2.14 LINK ND1 HIS D 251 NI NI D 301 1555 1555 2.22 LINK OE1 GLU D 286 NI NI D 301 1555 1555 2.11 LINK NI NI D 301 O HOH D 415 1555 1555 2.12 LINK NI NI D 301 O HOH D 418 1555 1555 2.19 LINK NI NI D 301 O HOH D 419 1555 1555 1.75 SITE 1 AC1 6 HIS A 234 HIS A 251 GLU A 286 HOH A 401 SITE 2 AC1 6 HOH A 411 HOH A 428 SITE 1 AC2 5 HIS B 234 HIS B 251 GLU B 286 HOH B 402 SITE 2 AC2 5 HOH B 416 SITE 1 AC3 6 HIS C 234 HIS C 251 GLU C 286 HOH C 416 SITE 2 AC3 6 HOH C 417 HOH C 420 SITE 1 AC4 6 HIS D 234 HIS D 251 GLU D 286 HOH D 415 SITE 2 AC4 6 HOH D 418 HOH D 419 CRYST1 32.760 39.029 63.965 98.78 104.76 90.09 P 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 0.030525 0.000047 0.008151 0.00000 SCALE2 0.000000 0.025622 0.004105 0.00000 SCALE3 0.000000 0.000000 0.016373 0.00000