HEADER HYDROLASE 01-MAR-99 260L TITLE AN ADAPTABLE METAL-BINDING SITE ENGINEERED INTO T4 LYSOZYME COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (LYSOZYME); COMPND 3 CHAIN: A; COMPND 4 EC: 3.2.1.17; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 OTHER_DETAILS: T4 LYSOZYME MUTANT WITH CYS 54 REPLACED BY THR, CYS 97 COMPND 8 REPLACED BY ALA, THR 21 REPLACED BY HIS, THR 142 REPLACED BY HIS SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE T4; SOURCE 3 ORGANISM_TAXID: 10665; SOURCE 4 CELLULAR_LOCATION: CYTOPLASM; SOURCE 5 GENE: GENE E FROM BACTERIOPHAGE T4; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: RR1; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PHS1403; SOURCE 10 EXPRESSION_SYSTEM_GENE: T4 LYSOZYME; SOURCE 11 OTHER_DETAILS: BACTERIOPHAGE T4 (MUTANT GENE DERIVED FROM THE M13 SOURCE 12 PLASMID BY CLONING THE T4 LYSOZYME GENE) KEYWDS HYDROLASE (O-GLYCOSYL), T4 LYSOZYME, METAL BINDING, PROTEIN KEYWDS 2 ENGINEERING, PROTEIN DESIGN, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.W.WRAY,W.A.BAASE,G.J.OSTHEIMER,B.W.MATTHEWS REVDAT 6 27-DEC-23 260L 1 REMARK REVDAT 5 03-NOV-21 260L 1 REMARK SEQADV LINK REVDAT 4 16-MAR-10 260L 1 CRYST1 SCALE1 SCALE2 SCALE3 REVDAT 3 24-FEB-09 260L 1 VERSN REVDAT 2 01-APR-03 260L 1 JRNL REVDAT 1 11-SEP-00 260L 0 JRNL AUTH J.W.WRAY,W.A.BAASE,G.J.OSTHEIMER,X.J.ZHANG,B.W.MATTHEWS JRNL TITL USE OF A NON-RIGID REGION IN T4 LYSOZYME TO DESIGN AN JRNL TITL 2 ADAPTABLE METAL-BINDING SITE. JRNL REF PROTEIN ENG. V. 13 313 2000 JRNL REFN ISSN 0269-2139 JRNL PMID 10835104 JRNL DOI 10.1093/PROTEIN/13.5.313 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.JACOBSON,M.MATSUMURA,H.R.FABER,B.W.MATTHEWS REMARK 1 TITL STRUCTURE OF A STABILIZING DISULFIDE BRIDGE MUTANT THAT REMARK 1 TITL 2 CLOSES THE ACTIVE SITE CLEFT OF T4 LYSOZYME REMARK 1 REF PROTEIN SCI. V. 1 46 1992 REMARK 1 REFN ISSN 0961-8368 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.MATSUMURA,B.W.MATTHEWS REMARK 1 TITL CONTROL OF ENZYME ACTIVITY BY AN ENGINEERED DISULFIDE BOND REMARK 1 REF SCIENCE V. 243 792 1989 REMARK 1 REFN ISSN 0036-8075 REMARK 1 REFERENCE 3 REMARK 1 AUTH L.H.WEAVER,B.W.MATTHEWS REMARK 1 TITL STRUCTURE OF BACTERIOPHAGE T4 LYSOZYME REFINED AT 1.7 REMARK 1 TITL 2 ANGSTROM RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 193 189 1987 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 1.80 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 3 NUMBER OF REFLECTIONS : 19963 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.190 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.1900 REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 19963 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1298 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 107 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.016 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 2.160 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : 0.000 ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : 0.010 ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : 0.015 ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : 0.080 ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : BABENET SCALING REMARK 3 KSOL : 1.00 REMARK 3 BSOL : 790.0 REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : TNT PROTGEO REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: STARTING MODEL WAS CYS-FREE WILDTYPE REMARK 4 REMARK 4 260L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-MAR-99. REMARK 100 THE DEPOSITION ID IS D_1000000563. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-JAN-98 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER/GRAPHITE REMARK 200 OPTICS : GRAPHITE MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SDMS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SDMS DETECTOR SYSTEM (NIELSEN) REMARK 200 DATA SCALING SOFTWARE : SDMS DETECTOR SYSTEM (NIELSEN) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19963 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 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 (%) : 92.0 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : 0.03100 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) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.18000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: TNT REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: STARTING MODEL WAS CYS-FREE WILDTYPE LYSOZYME REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.43 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.82 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-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 64.52000 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 32.26000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 32.26000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 64.52000 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 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 400 REMARK 400 COMPOUND REMARK 400 STRUCTURE OF A T4 LYSOZYME MUTANT WITH AN ENGINEERED METAL REMARK 400 BINDING SITE. THIS MUTANT DESIGNATED H2NI IS THE PROTEIN REMARK 400 WHICH CONTAINS THE METAL BINDING SITE WITH NI +2 BOUND. THE REMARK 400 METAL LIGANDS CO, AND ZN WILL BE DESCRIBED AS SEPARATE PDB REMARK 400 FILES AND INCLUDED IN THE PAPER "AN ADAPTABLE METAL BINDING REMARK 400 SITE ENGINEERED INTO T4 LYSOZYME. 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 ASN A 163 REMARK 465 LEU A 164 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 NE2 GLN A 141 O HOH A 236 2.19 REMARK 500 REMARK 500 REMARK: NULL 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 5 CD GLU A 5 OE2 0.070 REMARK 500 GLU A 22 CD GLU A 22 OE2 0.068 REMARK 500 GLU A 45 CD GLU A 45 OE1 -0.069 REMARK 500 GLU A 128 CD GLU A 128 OE2 0.071 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 ASP A 20 CB - CG - OD1 ANGL. DEV. = 6.0 DEGREES REMARK 500 ASP A 20 CB - CG - OD2 ANGL. DEV. = -7.2 DEGREES REMARK 500 ASP A 47 CB - CG - OD1 ANGL. DEV. = 6.4 DEGREES REMARK 500 ASP A 47 CB - CG - OD2 ANGL. DEV. = -5.9 DEGREES REMARK 500 ASP A 61 CB - CG - OD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 ASP A 72 CB - CG - OD2 ANGL. DEV. = -7.7 DEGREES REMARK 500 ASP A 92 CB - CG - OD1 ANGL. DEV. = 6.8 DEGREES REMARK 500 ASP A 92 CB - CG - OD2 ANGL. DEV. = -7.0 DEGREES REMARK 500 ARG A 148 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 154 NE - CZ - NH1 ANGL. DEV. = 4.7 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 ILE A 29 76.77 -103.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 NICKEL 2+ IS BOUND TO THE ENGINEERED PROTEIN LIGANDS REMARK 600 HIS 21 AND HIS 142, WITH HOH 501-504 AS THE REMAINING REMARK 600 LIGANDS. A SECOND NI SITE IS FORMED FROM THE NITROGEN REMARK 600 OF MET 1, HOH 601-603, AND OXYGEN FROM GLU 64 IN A REMARK 600 SYMMETRY-RELATED MOLECULE 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 600 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 MET A 1 N REMARK 620 2 HOH A 601 O 87.7 REMARK 620 3 HOH A 602 O 109.0 93.6 REMARK 620 4 HOH A 603 O 169.2 81.6 73.4 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI A 500 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 21 NE2 REMARK 620 2 HIS A 142 NE2 89.4 REMARK 620 3 HOH A 501 O 92.9 79.7 REMARK 620 4 HOH A 502 O 94.4 100.9 172.7 REMARK 620 5 HOH A 503 O 174.1 89.5 81.2 91.6 REMARK 620 6 HOH A 504 O 96.5 171.5 93.8 84.8 84.0 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: NIB REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ENGINEERED METAL-BINDING SITE REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 173 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 178 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 600 REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUES 163 AND 164 ARE DISORDERED AND REMARK 999 NOT OBSERVABLE IN ELECTRON DENSITY MAPS. REMARK 999 THEREFORE THEY ARE ABSENT FROM THE COORDINATE FILE. DBREF 260L A 1 164 UNP P00720 LYS_BPT4 1 164 SEQADV 260L HIS A 21 UNP P00720 THR 21 ENGINEERED MUTATION SEQADV 260L THR A 54 UNP P00720 CYS 54 ENGINEERED MUTATION SEQADV 260L ALA A 97 UNP P00720 CYS 97 ENGINEERED MUTATION SEQADV 260L HIS A 142 UNP P00720 THR 142 ENGINEERED MUTATION SEQRES 1 A 164 MET ASN ILE PHE GLU MET LEU ARG ILE ASP GLU GLY LEU SEQRES 2 A 164 ARG LEU LYS ILE TYR LYS ASP HIS GLU GLY TYR TYR THR SEQRES 3 A 164 ILE GLY ILE GLY HIS LEU LEU THR LYS SER PRO SER LEU SEQRES 4 A 164 ASN ALA ALA LYS SER GLU LEU ASP LYS ALA ILE GLY ARG SEQRES 5 A 164 ASN THR ASN GLY VAL ILE THR LYS ASP GLU ALA GLU LYS SEQRES 6 A 164 LEU PHE ASN GLN ASP VAL ASP ALA ALA VAL ARG GLY ILE SEQRES 7 A 164 LEU ARG ASN ALA LYS LEU LYS PRO VAL TYR ASP SER LEU SEQRES 8 A 164 ASP ALA VAL ARG ARG ALA ALA LEU ILE ASN MET VAL PHE SEQRES 9 A 164 GLN MET GLY GLU THR GLY VAL ALA GLY PHE THR ASN SER SEQRES 10 A 164 LEU ARG MET LEU GLN GLN LYS ARG TRP ASP GLU ALA ALA SEQRES 11 A 164 VAL ASN LEU ALA LYS SER ARG TRP TYR ASN GLN HIS PRO SEQRES 12 A 164 ASN ARG ALA LYS ARG VAL ILE THR THR PHE ARG THR GLY SEQRES 13 A 164 THR TRP ASP ALA TYR LYS ASN LEU HET CL A 173 1 HET CL A 178 1 HET NI A 500 1 HET NI A 600 1 HETNAM CL CHLORIDE ION HETNAM NI NICKEL (II) ION FORMUL 2 CL 2(CL 1-) FORMUL 4 NI 2(NI 2+) FORMUL 6 HOH *107(H2 O) HELIX 1 1 ILE A 3 GLU A 11 1 9 HELIX 2 2 LEU A 39 ILE A 50 1 12 HELIX 3 3 LYS A 60 ARG A 80 1 21 HELIX 4 4 LYS A 85 SER A 90 1 6 HELIX 5 5 ALA A 93 GLY A 113 1 21 HELIX 6 6 THR A 115 GLN A 122 1 8 HELIX 7 7 TRP A 126 LEU A 133 1 8 HELIX 8 8 ARG A 137 GLN A 141 1 5 HELIX 9 9 PRO A 143 THR A 155 1 13 SHEET 1 A 2 TYR A 25 ILE A 27 0 SHEET 2 A 2 HIS A 31 THR A 34 -1 N THR A 34 O TYR A 25 LINK N MET A 1 NI NI A 600 1555 1555 2.15 LINK NE2 HIS A 21 NI NI A 500 1555 1555 2.09 LINK NE2 HIS A 142 NI NI A 500 1555 1555 2.29 LINK NI NI A 500 O HOH A 501 1555 1555 1.87 LINK NI NI A 500 O HOH A 502 1555 1555 1.93 LINK NI NI A 500 O HOH A 503 1555 1555 2.12 LINK NI NI A 500 O HOH A 504 1555 1555 2.15 LINK NI NI A 600 O HOH A 601 1555 1555 2.07 LINK NI NI A 600 O HOH A 602 1555 1555 2.22 LINK NI NI A 600 O HOH A 603 1555 1555 1.85 SITE 1 NIB 4 HIS A 21 HIS A 142 MET A 1 GLU A 64 SITE 1 AC1 4 HIS A 142 ASN A 144 ARG A 145 HOH A 251 SITE 1 AC2 1 HOH A 215 SITE 1 AC3 6 HIS A 21 HIS A 142 HOH A 501 HOH A 502 SITE 2 AC3 6 HOH A 503 HOH A 504 SITE 1 AC4 6 MET A 1 GLU A 5 GLU A 64 HOH A 601 SITE 2 AC4 6 HOH A 602 HOH A 603 CRYST1 62.170 62.170 96.780 90.00 90.00 120.00 P 32 2 1 6 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 0.016085 0.009287 0.000000 0.00000 SCALE2 0.000000 0.018573 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010333 0.00000