HEADER LYASE 11-JUL-00 1F9Z TITLE CRYSTAL STRUCTURE OF THE NI(II)-BOUND GLYOXALASE I FROM ESCHERICHIA TITLE 2 COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLYOXALASE I; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: LACTOYLGLUTATHIONE LYASE; COMPND 5 EC: 4.4.1.5; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS BETA-ALPHA-BETA-BETA-BETA MOTIF, PROTEIN-NI(II) COMPLEX, HOMODIMER, KEYWDS 2 LYASE EXPDTA X-RAY DIFFRACTION AUTHOR M.M.HE,S.L.CLUGSTON,J.F.HONEK,B.W.MATTHEWS REVDAT 5 07-FEB-24 1F9Z 1 REMARK LINK REVDAT 4 07-FEB-18 1F9Z 1 REMARK REVDAT 3 18-AUG-09 1F9Z 1 REMARK REVDAT 2 24-FEB-09 1F9Z 1 VERSN REVDAT 1 20-SEP-00 1F9Z 0 JRNL AUTH M.M.HE,S.L.CLUGSTON,J.F.HONEK,B.W.MATTHEWS JRNL TITL DETERMINATION OF THE STRUCTURE OF ESCHERICHIA COLI JRNL TITL 2 GLYOXALASE I SUGGESTS A STRUCTURAL BASIS FOR DIFFERENTIAL JRNL TITL 3 METAL ACTIVATION. JRNL REF BIOCHEMISTRY V. 39 8719 2000 JRNL REFN ISSN 0006-2960 JRNL PMID 10913283 JRNL DOI 10.1021/BI000856G REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 3 NUMBER OF REFLECTIONS : 38192 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : THIN SHELLS REMARK 3 R VALUE (WORKING + TEST SET) : 0.211 REMARK 3 R VALUE (WORKING SET) : 0.205 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1909 REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.2110 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.2050 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.00 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1909 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 38192 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2002 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 262 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : 15.200 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.010 ; 0.800 ; 2038 REMARK 3 BOND ANGLES (DEGREES) : 1.987 ; 1.300 ; 2744 REMARK 3 TORSION ANGLES (DEGREES) : 16.717; 0.000 ; 1214 REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; 0.000 ; 0 REMARK 3 TRIGONAL CARBON PLANES (A) : 0.007 ; 2.000 ; 60 REMARK 3 GENERAL PLANES (A) : 0.012 ; 5.000 ; 292 REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : 3.446 ; 1.000 ; 2038 REMARK 3 NON-BONDED CONTACTS (A) : 0.019 ; 10.000; 33 REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : 0 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : BABINET SCALING REMARK 3 KSOL : 0.79 REMARK 3 BSOL : 150.0 REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : TNT PROTGEO VERSION 1.0 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : TNT BCORREL VERSION 1.0 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1F9Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUL-00. REMARK 100 THE DEPOSITION ID IS D_1000011426. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-MAY-99 REMARK 200 TEMPERATURE (KELVIN) : 200 REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.78 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38619 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.06900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.49 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.57 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.29000 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: NULL REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.21 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG1000, PEG8000, PH 5.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 277K 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 28.23900 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A HOMODIMER IN EACH ASYMMETRIC REMARK 300 UNIT AND THE TWO MONOMERS ARE RELATED BY 2-FOLD NON- REMARK 300 CRYSTALLOGRAPHIC SYMMETRY. 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3620 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12660 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -41.0 KCAL/MOL 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 LYS A 127 REMARK 465 ASP A 128 REMARK 465 ALA A 129 REMARK 465 GLY A 130 REMARK 465 ARG A 131 REMARK 465 GLY A 132 REMARK 465 LEU A 133 REMARK 465 LYS B 127 REMARK 465 ASP B 128 REMARK 465 ALA B 129 REMARK 465 GLY B 130 REMARK 465 ARG B 131 REMARK 465 GLY B 132 REMARK 465 LEU B 133 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 52 CD GLU A 52 OE2 0.067 REMARK 500 GLU B 33 CD GLU B 33 OE2 0.066 REMARK 500 GLU B 87 CD GLU B 87 OE2 0.075 REMARK 500 GLU B 99 CD GLU B 99 OE2 0.073 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 9 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ASP A 12 CB - CG - OD1 ANGL. DEV. = 6.7 DEGREES REMARK 500 ASP A 12 CB - CG - OD2 ANGL. DEV. = -7.3 DEGREES REMARK 500 ASP A 80 CB - CG - OD1 ANGL. DEV. = 6.0 DEGREES REMARK 500 ASP A 80 CB - CG - OD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 ASP B 12 CB - CG - OD1 ANGL. DEV. = 7.0 DEGREES REMARK 500 ASP B 12 CB - CG - OD2 ANGL. DEV. = -6.9 DEGREES REMARK 500 ASP B 18 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 ASP B 64 CB - CG - OD1 ANGL. DEV. = 5.7 DEGREES REMARK 500 ASP B 64 CB - CG - OD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 ASP B 115 CB - CG - OD1 ANGL. DEV. = 8.3 DEGREES REMARK 500 ASP B 115 CB - CG - OD2 ANGL. DEV. = -6.8 DEGREES REMARK 500 ASP B 117 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES 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 HIS A 74 -179.54 -173.59 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 A1200 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 5 NE2 REMARK 620 2 GLU A 56 OE1 79.6 REMARK 620 3 HIS B 74 NE2 102.9 96.8 REMARK 620 4 GLU B 122 OE1 100.1 178.5 84.7 REMARK 620 5 HOH B 140 O 164.0 90.6 90.8 89.3 REMARK 620 6 HOH B 152 O 93.6 100.6 157.9 77.9 75.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI A1201 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 74 NE2 REMARK 620 2 GLU A 122 OE1 81.3 REMARK 620 3 HOH A1213 O 165.4 85.7 REMARK 620 4 HIS B 5 NE2 96.2 94.5 91.3 REMARK 620 5 GLU B 56 OE1 96.3 175.7 97.1 82.2 REMARK 620 6 HOH B 142 O 92.4 94.0 82.0 168.7 89.6 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 1200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 1201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FA5 RELATED DB: PDB REMARK 900 ZN(II)-BOUND E. COLI GLYOXALASE I REMARK 900 RELATED ID: 1FA6 RELATED DB: PDB REMARK 900 CO(II)-BOUND E. COLI GLYOXALASE I REMARK 900 RELATED ID: 1FA7 RELATED DB: PDB REMARK 900 CD(II)-BOUND E. COLI GLYOXALASE I REMARK 900 RELATED ID: 1FA8 RELATED DB: PDB REMARK 900 APO FORM E. COLI GLYOXALASE I REMARK 900 RELATED ID: 1FRO RELATED DB: PDB REMARK 900 HUMAN GLYOXALASE I DBREF 1F9Z A 1 135 UNP P0AC81 LGUL_ECOLI 1 135 DBREF 1F9Z B 1 135 UNP P0AC81 LGUL_ECOLI 1 135 SEQRES 1 A 135 MET ARG LEU LEU HIS THR MET LEU ARG VAL GLY ASP LEU SEQRES 2 A 135 GLN ARG SER ILE ASP PHE TYR THR LYS VAL LEU GLY MET SEQRES 3 A 135 LYS LEU LEU ARG THR SER GLU ASN PRO GLU TYR LYS TYR SEQRES 4 A 135 SER LEU ALA PHE VAL GLY TYR GLY PRO GLU THR GLU GLU SEQRES 5 A 135 ALA VAL ILE GLU LEU THR TYR ASN TRP GLY VAL ASP LYS SEQRES 6 A 135 TYR GLU LEU GLY THR ALA TYR GLY HIS ILE ALA LEU SER SEQRES 7 A 135 VAL ASP ASN ALA ALA GLU ALA CYS GLU LYS ILE ARG GLN SEQRES 8 A 135 ASN GLY GLY ASN VAL THR ARG GLU ALA GLY PRO VAL LYS SEQRES 9 A 135 GLY GLY THR THR VAL ILE ALA PHE VAL GLU ASP PRO ASP SEQRES 10 A 135 GLY TYR LYS ILE GLU LEU ILE GLU GLU LYS ASP ALA GLY SEQRES 11 A 135 ARG GLY LEU GLY ASN SEQRES 1 B 135 MET ARG LEU LEU HIS THR MET LEU ARG VAL GLY ASP LEU SEQRES 2 B 135 GLN ARG SER ILE ASP PHE TYR THR LYS VAL LEU GLY MET SEQRES 3 B 135 LYS LEU LEU ARG THR SER GLU ASN PRO GLU TYR LYS TYR SEQRES 4 B 135 SER LEU ALA PHE VAL GLY TYR GLY PRO GLU THR GLU GLU SEQRES 5 B 135 ALA VAL ILE GLU LEU THR TYR ASN TRP GLY VAL ASP LYS SEQRES 6 B 135 TYR GLU LEU GLY THR ALA TYR GLY HIS ILE ALA LEU SER SEQRES 7 B 135 VAL ASP ASN ALA ALA GLU ALA CYS GLU LYS ILE ARG GLN SEQRES 8 B 135 ASN GLY GLY ASN VAL THR ARG GLU ALA GLY PRO VAL LYS SEQRES 9 B 135 GLY GLY THR THR VAL ILE ALA PHE VAL GLU ASP PRO ASP SEQRES 10 B 135 GLY TYR LYS ILE GLU LEU ILE GLU GLU LYS ASP ALA GLY SEQRES 11 B 135 ARG GLY LEU GLY ASN HET NI A1200 1 HET NI A1201 1 HETNAM NI NICKEL (II) ION FORMUL 3 NI 2(NI 2+) FORMUL 5 HOH *262(H2 O) HELIX 1 1 ASP A 12 VAL A 23 1 12 HELIX 2 2 ASN A 81 ASN A 92 1 12 HELIX 3 3 ASP B 12 VAL B 23 1 12 HELIX 4 4 ASN B 81 ASN B 92 1 12 SHEET 1 A 8 LYS A 27 ASN A 34 0 SHEET 2 A 8 TYR A 39 GLY A 45 -1 O TYR A 39 N ASN A 34 SHEET 3 A 8 VAL A 54 ASN A 60 -1 N ILE A 55 O VAL A 44 SHEET 4 A 8 LEU A 3 ARG A 9 1 O LEU A 4 N VAL A 54 SHEET 5 A 8 TYR B 72 VAL B 79 -1 N GLY B 73 O MET A 7 SHEET 6 A 8 LYS B 120 GLU B 125 1 O LYS B 120 N ILE B 75 SHEET 7 A 8 VAL B 109 GLU B 114 -1 O VAL B 109 N GLU B 125 SHEET 8 A 8 ASN B 95 PRO B 102 -1 O ASN B 95 N GLU B 114 SHEET 1 B 8 ASN A 95 PRO A 102 0 SHEET 2 B 8 VAL A 109 GLU A 114 -1 N ILE A 110 O GLY A 101 SHEET 3 B 8 LYS A 120 GLU A 125 -1 N ILE A 121 O VAL A 113 SHEET 4 B 8 TYR A 72 SER A 78 1 O ILE A 75 N GLU A 122 SHEET 5 B 8 LEU B 3 ARG B 9 -1 N LEU B 4 O ALA A 76 SHEET 6 B 8 VAL B 54 ASN B 60 1 N VAL B 54 O LEU B 4 SHEET 7 B 8 TYR B 39 GLY B 45 -1 O SER B 40 N TYR B 59 SHEET 8 B 8 LYS B 27 ASN B 34 -1 N LYS B 27 O GLY B 45 LINK NE2 HIS A 5 NI NI A1200 1555 1555 2.03 LINK OE1 GLU A 56 NI NI A1200 1555 1555 2.16 LINK NE2 HIS A 74 NI NI A1201 1555 1555 2.17 LINK OE1 GLU A 122 NI NI A1201 1555 1555 2.16 LINK NI NI A1200 NE2 HIS B 74 1555 1555 2.15 LINK NI NI A1200 OE1 GLU B 122 1555 1555 2.09 LINK NI NI A1200 O HOH B 140 1555 1555 2.10 LINK NI NI A1200 O HOH B 152 1555 1555 2.30 LINK NI NI A1201 O HOH A1213 1555 1555 2.24 LINK NI NI A1201 NE2 HIS B 5 1555 1555 2.05 LINK NI NI A1201 OE1 GLU B 56 1555 1555 2.20 LINK NI NI A1201 O HOH B 142 1555 1555 2.03 SITE 1 AC1 6 HIS A 5 GLU A 56 HIS B 74 GLU B 122 SITE 2 AC1 6 HOH B 140 HOH B 152 SITE 1 AC2 6 HIS A 74 GLU A 122 HOH A1213 HIS B 5 SITE 2 AC2 6 GLU B 56 HOH B 142 CRYST1 46.047 56.478 46.705 90.00 95.44 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 0.021717 -0.000001 0.002068 0.00000 SCALE2 0.000000 0.017706 -0.000001 0.00000 SCALE3 0.000000 0.000000 0.021508 0.00000