HEADER LYASE 09-SEP-02 1MOO TITLE SITE SPECIFIC MUTANT (H64A) OF HUMAN CARBONIC ANHYDRASE II AT HIGH TITLE 2 RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE II; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CARBONATE DEHYDRATASE II, CA-II, CARBONIC ANHYDRASE C; COMPND 5 EC: 4.2.1.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PET KEYWDS HIGH-RESOLUTION, 4-METHYLIMIDAZOLE, TWISTED BETA SHEET, ZINC KEYWDS 2 METALLOENZYME, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR D.M.DUDA,L.GOVINDASAMY,M.AGBANDJE-MCKENNA,C.K.TU,D.N.SILVERMAN, AUTHOR 2 R.MCKENNA REVDAT 6 14-FEB-24 1MOO 1 REMARK REVDAT 5 27-OCT-21 1MOO 1 REMARK SEQADV LINK REVDAT 4 04-APR-18 1MOO 1 REMARK REVDAT 3 24-FEB-09 1MOO 1 VERSN REVDAT 2 07-JAN-03 1MOO 1 JRNL AUTHOR REVDAT 1 18-SEP-02 1MOO 0 JRNL AUTH D.DUDA,L.GOVINDASAMY,M.AGBANDJE-MCKENNA,C.TU,D.N.SILVERMAN, JRNL AUTH 2 R.MCKENNA JRNL TITL THE REFINED ATOMIC STRUCTURE OF CARBONIC ANHYDRASE II AT JRNL TITL 2 1.05 A RESOLUTION: IMPLICATIONS OF CHEMICAL RESCUE OF PROTON JRNL TITL 3 TRANSFER. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 59 93 2003 JRNL REFN ISSN 0907-4449 JRNL PMID 12499545 JRNL DOI 10.1107/S0907444902019455 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.DUDA,C.K.TU,M.QIAN,P.J.LAIPIS,M.AGBANDJE-MCKENNA, REMARK 1 AUTH 2 D.N.SILVERMAN,R.MCKENNA REMARK 1 TITL STRUCTURAL AND KINETIC ANALYSIS OF THE CHEMICAL RESCUE OF REMARK 1 TITL 2 THE PROTON TRANSFER FUNCTION OF CARBONIC ANHYDRASE II REMARK 1 REF BIOCHEMISTRY V. 40 1741 2001 REMARK 1 REFN ISSN 0006-2960 REMARK 1 DOI 10.1021/BI002295Z REMARK 2 REMARK 2 RESOLUTION. 1.05 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.05 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 96028 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.157 REMARK 3 FREE R VALUE : 0.177 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 4671 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.05 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.09 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 40.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3610 REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2033 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 14 REMARK 3 SOLVENT ATOMS : 308 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.07 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1MOO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-SEP-02. REMARK 100 THE DEPOSITION ID IS D_1000017059. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-AUG-00; 15-FEB-00 REMARK 200 TEMPERATURE (KELVIN) : 100; NULL REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; N REMARK 200 RADIATION SOURCE : CHESS; ROTATING ANODE REMARK 200 BEAMLINE : F1; NULL REMARK 200 X-RAY GENERATOR MODEL : NULL; RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; NULL REMARK 200 WAVELENGTH OR RANGE (A) : 0.938; 1.54 REMARK 200 MONOCHROMATOR : 0.3MM; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4; RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 112535 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.050 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.1 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.10600 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) : NULL 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) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.07 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, TRIS, MERCURY REMARK 280 CHLORIDE, PH 7.8, VAPOR 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 20.71750 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 MONOMER 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 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 MET A 1 REMARK 465 SER A 2 REMARK 465 HIS A 3 REMARK 465 HIS A 4 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 27 CD - NE - CZ ANGL. DEV. = 10.5 DEGREES REMARK 500 ARG A 27 NE - CZ - NH1 ANGL. DEV. = 4.4 DEGREES REMARK 500 ARG A 27 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 TYR A 51 CB - CG - CD1 ANGL. DEV. = 4.5 DEGREES REMARK 500 ARG A 58 NE - CZ - NH1 ANGL. DEV. = 7.1 DEGREES REMARK 500 ARG A 58 NE - CZ - NH2 ANGL. DEV. = -4.4 DEGREES REMARK 500 TYR A 88 CB - CG - CD1 ANGL. DEV. = 3.6 DEGREES REMARK 500 PHE A 93 CB - CG - CD1 ANGL. DEV. = 5.2 DEGREES REMARK 500 TYR A 191 CB - CG - CD1 ANGL. DEV. = 4.6 DEGREES REMARK 500 ARG A 227 NE - CZ - NH1 ANGL. DEV. = 5.3 DEGREES REMARK 500 ARG A 246 NE - CZ - NH2 ANGL. DEV. = -3.1 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 ARG A 27 56.72 -147.11 REMARK 500 LYS A 111 -3.77 76.88 REMARK 500 ASN A 244 46.97 -92.18 REMARK 500 LYS A 252 -140.87 54.70 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 ZN A 262 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 94 NE2 REMARK 620 2 HIS A 96 NE2 97.4 REMARK 620 3 HIS A 119 ND1 107.9 97.6 REMARK 620 4 HOH A 556 O 96.0 128.0 125.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HG A 263 HG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL A 135 O REMARK 620 2 GLN A 137 N 65.8 REMARK 620 3 GLN A 137 O 103.4 50.2 REMARK 620 4 GLU A 205 O 153.4 137.2 90.6 REMARK 620 5 CYS A 206 SG 65.6 105.1 92.9 91.6 REMARK 620 6 HOH A 421 O 48.9 94.1 144.1 124.4 93.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HG A 263 HG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 137 O REMARK 620 2 PRO A 138 N 38.6 REMARK 620 3 HOH A 351 O 104.3 87.2 REMARK 620 4 HOH A 421 O 102.3 139.0 122.9 REMARK 620 5 HOH A 496 O 150.9 134.7 50.7 84.7 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 262 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 263 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 4MZ A 264 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 4MZ A 265 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1G0E RELATED DB: PDB REMARK 900 HUMAN CARBONIC ANHYDRASE II (H64A) IN COMPLEX WITH 4-MI REMARK 900 RELATED ID: 1G0F RELATED DB: PDB REMARK 900 HUMAN CARBONIC ANHYDRASE II (H64A) DBREF 1MOO A 1 261 UNP P00918 CAH2_HUMAN 0 259 SEQADV 1MOO ALA A 64 UNP P00918 HIS 63 ENGINEERED MUTATION SEQRES 1 A 260 MET SER HIS HIS TRP GLY TYR GLY LYS HIS ASN GLY PRO SEQRES 2 A 260 GLU HIS TRP HIS LYS ASP PHE PRO ILE ALA LYS GLY GLU SEQRES 3 A 260 ARG GLN SER PRO VAL ASP ILE ASP THR HIS THR ALA LYS SEQRES 4 A 260 TYR ASP PRO SER LEU LYS PRO LEU SER VAL SER TYR ASP SEQRES 5 A 260 GLN ALA THR SER LEU ARG ILE LEU ASN ASN GLY ALA ALA SEQRES 6 A 260 PHE ASN VAL GLU PHE ASP ASP SER GLN ASP LYS ALA VAL SEQRES 7 A 260 LEU LYS GLY GLY PRO LEU ASP GLY THR TYR ARG LEU ILE SEQRES 8 A 260 GLN PHE HIS PHE HIS TRP GLY SER LEU ASP GLY GLN GLY SEQRES 9 A 260 SER GLU HIS THR VAL ASP LYS LYS LYS TYR ALA ALA GLU SEQRES 10 A 260 LEU HIS LEU VAL HIS TRP ASN THR LYS TYR GLY ASP PHE SEQRES 11 A 260 GLY LYS ALA VAL GLN GLN PRO ASP GLY LEU ALA VAL LEU SEQRES 12 A 260 GLY ILE PHE LEU LYS VAL GLY SER ALA LYS PRO GLY LEU SEQRES 13 A 260 GLN LYS VAL VAL ASP VAL LEU ASP SER ILE LYS THR LYS SEQRES 14 A 260 GLY LYS SER ALA ASP PHE THR ASN PHE ASP PRO ARG GLY SEQRES 15 A 260 LEU LEU PRO GLU SER LEU ASP TYR TRP THR TYR PRO GLY SEQRES 16 A 260 SER LEU THR THR PRO PRO LEU LEU GLU CYS VAL THR TRP SEQRES 17 A 260 ILE VAL LEU LYS GLU PRO ILE SER VAL SER SER GLU GLN SEQRES 18 A 260 VAL LEU LYS PHE ARG LYS LEU ASN PHE ASN GLY GLU GLY SEQRES 19 A 260 GLU PRO GLU GLU LEU MET VAL ASP ASN TRP ARG PRO ALA SEQRES 20 A 260 GLN PRO LEU LYS ASN ARG GLN ILE LYS ALA SER PHE LYS HET ZN A 262 1 HET HG A 263 2 HET 4MZ A 264 6 HET 4MZ A 265 12 HETNAM ZN ZINC ION HETNAM HG MERCURY (II) ION HETNAM 4MZ 4-METHYLIMIDAZOLE FORMUL 2 ZN ZN 2+ FORMUL 3 HG HG 2+ FORMUL 4 4MZ 2(C4 H6 N2) FORMUL 6 HOH *308(H2 O) HELIX 1 1 HIS A 15 ASP A 19 5 5 HELIX 2 2 PHE A 20 GLY A 25 5 6 HELIX 3 3 LYS A 127 GLY A 129 5 3 HELIX 4 4 ASP A 130 VAL A 135 1 6 HELIX 5 5 LYS A 154 GLY A 156 5 3 HELIX 6 6 LEU A 157 LEU A 164 1 8 HELIX 7 7 ASP A 165 ILE A 167 5 3 HELIX 8 8 ASP A 180 LEU A 185 5 6 HELIX 9 9 SER A 219 ARG A 227 1 9 SHEET 1 A 2 ASP A 32 ILE A 33 0 SHEET 2 A 2 THR A 108 VAL A 109 1 O THR A 108 N ILE A 33 SHEET 1 B16 SER A 173 ASP A 175 0 SHEET 2 B16 SER A 56 ASN A 61 -1 N ILE A 59 O ALA A 174 SHEET 3 B16 PHE A 66 PHE A 70 -1 N ASN A 67 O LEU A 60 SHEET 4 B16 TYR A 88 TRP A 97 -1 O ILE A 91 N PHE A 70 SHEET 5 B16 VAL A 78 GLY A 81 -1 N LEU A 79 O TYR A 88 SHEET 6 B16 LEU A 47 SER A 50 -1 N SER A 48 O LYS A 80 SHEET 7 B16 VAL A 78 GLY A 81 -1 O VAL A 78 N SER A 50 SHEET 8 B16 TYR A 88 TRP A 97 -1 O TYR A 88 N LEU A 79 SHEET 9 B16 ALA A 116 ASN A 124 -1 N GLU A 117 O HIS A 96 SHEET 10 B16 LEU A 141 VAL A 150 -1 N ALA A 142 O HIS A 122 SHEET 11 B16 ILE A 216 VAL A 218 1 N ILE A 216 O PHE A 147 SHEET 12 B16 LEU A 141 VAL A 150 1 O PHE A 147 N ILE A 216 SHEET 13 B16 VAL A 207 LEU A 212 1 N THR A 208 O LEU A 141 SHEET 14 B16 TYR A 191 GLY A 196 -1 O TRP A 192 N VAL A 211 SHEET 15 B16 LYS A 257 ALA A 258 -1 N LYS A 257 O THR A 193 SHEET 16 B16 LYS A 39 TYR A 40 1 O LYS A 39 N ALA A 258 LINK NE2 HIS A 94 ZN ZN A 262 1555 1555 2.15 LINK NE2 HIS A 96 ZN ZN A 262 1555 1555 2.08 LINK ND1 HIS A 119 ZN ZN A 262 1555 1555 2.10 LINK O VAL A 135 HG A HG A 263 1555 1555 3.41 LINK N GLN A 137 HG A HG A 263 1555 1555 3.53 LINK O GLN A 137 HG A HG A 263 1555 1555 2.88 LINK O GLN A 137 HG B HG A 263 1555 1555 3.42 LINK N PRO A 138 HG B HG A 263 1555 1555 3.40 LINK O GLU A 205 HG A HG A 263 1555 1555 3.16 LINK SG ACYS A 206 HG A HG A 263 1555 1555 2.30 LINK ZN ZN A 262 O HOH A 556 1555 1555 1.81 LINK HG B HG A 263 O HOH A 351 1555 1555 3.47 LINK HG B HG A 263 O HOH A 421 1555 1555 3.03 LINK HG A HG A 263 O HOH A 421 1555 1555 2.40 LINK HG B HG A 263 O HOH A 496 1555 1555 3.17 CISPEP 1 SER A 29 PRO A 30 0 -0.45 CISPEP 2 PRO A 201 PRO A 202 0 11.15 SITE 1 AC1 5 HIS A 94 HIS A 96 HIS A 119 THR A 199 SITE 2 AC1 5 HOH A 556 SITE 1 AC2 6 VAL A 135 GLN A 137 PRO A 138 GLU A 205 SITE 2 AC2 6 CYS A 206 HOH A 421 SITE 1 AC3 5 TRP A 5 ASN A 62 GLY A 63 LYS A 170 SITE 2 AC3 5 HOH A 603 SITE 1 AC4 5 GLU A 69 PHE A 70 ASP A 72 ILE A 91 SITE 2 AC4 5 HOH A 472 CRYST1 42.188 41.435 72.041 90.00 104.26 90.00 P 1 21 1 2 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 0.023703 0.000000 0.006024 0.00000 SCALE2 0.000000 0.024134 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014322 0.00000