HEADER OXIDOREDUCTASE 01-JUN-15 5BRV TITLE CATALYTIC IMPROVEMENT OF AN ARTIFICIAL METALLOENZYME BY COMPUTATIONAL TITLE 2 DESIGN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CARBONATE DEHYDRATASE II,CARBONIC ANHYDRASE C,CAC,CARBONIC COMPND 5 ANHYDRASE II,CA-II; COMPND 6 EC: 4.2.1.1; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CA2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PACA KEYWDS ARTIFICIAL METALLOENZYME, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR T.HEINISCH,M.PELLIZZONI,M.DUERRENBERGER,C.E.TINBERG,V.KOEHLER, AUTHOR 2 J.KLEHR,D.HAEUSSINGER,D.BAKER,T.R.WARD REVDAT 4 10-JAN-24 5BRV 1 REMARK REVDAT 3 26-AUG-15 5BRV 1 JRNL REVDAT 2 12-AUG-15 5BRV 1 JRNL REVDAT 1 24-JUN-15 5BRV 0 JRNL AUTH T.HEINISCH,M.PELLIZZONI,M.DURRENBERGER,C.E.TINBERG,V.KOHLER, JRNL AUTH 2 J.KLEHR,D.HAUSSINGER,D.BAKER,T.R.WARD JRNL TITL IMPROVING THE CATALYTIC PERFORMANCE OF AN ARTIFICIAL JRNL TITL 2 METALLOENZYME BY COMPUTATIONAL DESIGN. JRNL REF J.AM.CHEM.SOC. V. 137 10414 2015 JRNL REFN ESSN 1520-5126 JRNL PMID 26226626 JRNL DOI 10.1021/JACS.5B06622 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0107 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 69.96 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 85.2 REMARK 3 NUMBER OF REFLECTIONS : 26057 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) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.230 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1441 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) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.64 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1088 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 47.77 REMARK 3 BIN R VALUE (WORKING SET) : 0.3640 REMARK 3 BIN FREE R VALUE SET COUNT : 45 REMARK 3 BIN FREE R VALUE : 0.4160 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2059 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 40 REMARK 3 SOLVENT ATOMS : 146 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.53 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.21000 REMARK 3 B22 (A**2) : -0.93000 REMARK 3 B33 (A**2) : 0.31000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.75000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.116 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.116 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.081 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.472 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.962 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.940 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2185 ; 0.017 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 1995 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3005 ; 1.879 ; 1.980 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4622 ; 1.023 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 259 ;11.753 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 98 ;34.952 ;24.592 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 359 ;14.643 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;21.906 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 300 ; 0.107 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2435 ; 0.011 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 491 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): 1033 ; 2.087 ; 2.040 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1032 ; 2.052 ; 2.035 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1290 ; 3.079 ; 3.045 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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 : 1.20 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 U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 5BRV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 11-JUN-15. REMARK 100 THE DEPOSITION ID IS D_1000210447. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-FEB-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.9 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X06SA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.30510 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.5.1 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27511 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 69.960 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.6 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.10500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.63 REMARK 200 COMPLETENESS FOR SHELL (%) : 45.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.50 REMARK 200 R MERGE FOR SHELL (I) : 1.07800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.5.7 REMARK 200 STARTING MODEL: 3ZP9 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.29 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.6 M AMMONIUM SULFATE, 50 MM TRIS REMARK 280 -HCL, PH 7.9, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 20.77200 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 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 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11930 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 KCAL/MOL 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 ALA A 2 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 A 498 O HOH A 539 1.96 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 89 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ASP A 101 CB - CG - OD1 ANGL. DEV. = 5.5 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 ASN A 11 15.89 -141.13 REMARK 500 ARG A 27 53.82 -140.55 REMARK 500 ASP A 75 71.59 -64.21 REMARK 500 PHE A 175 64.24 -150.42 REMARK 500 ASN A 243 53.72 -99.46 REMARK 500 LEU A 252 -4.89 72.92 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 301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 94 NE2 REMARK 620 2 HIS A 96 NE2 103.7 REMARK 620 3 HIS A 119 ND1 112.4 97.5 REMARK 620 4 9TH A 302 N2 113.2 111.5 116.6 REMARK 620 N 1 2 3 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 9TH A 302 DBREF 5BRV A 3 260 UNP P00918 CAH2_HUMAN 3 260 SEQADV 5BRV MET A 1 UNP P00918 INITIATING METHIONINE SEQADV 5BRV ALA A 2 UNP P00918 EXPRESSION TAG SEQADV 5BRV MET A 140 UNP P00918 LEU 140 ENGINEERED MUTATION SEQADV 5BRV MET A 197 UNP P00918 LEU 197 ENGINEERED MUTATION SEQADV 5BRV SER A 205 UNP P00918 CYS 205 ENGINEERED MUTATION SEQADV 5BRV LEU A 252 UNP P00918 ASN 252 ENGINEERED MUTATION SEQRES 1 A 260 MET ALA 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 HIS 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 MET 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 MET THR THR PRO PRO LEU LEU GLU SER 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 LEU ARG GLN ILE LYS ALA SER PHE LYS HET ZN A 301 1 HET 9TH A 302 49 HETNAM ZN ZINC ION HETNAM 9TH PENTAMETHYLCYCLOPENTADIENYL IRIDIUM [N- HETNAM 2 9TH BENZENSULFONAMIDE-(2-PYRIDYLMETHYL-4- HETNAM 3 9TH BENZENSULFONAMIDE)AMIN] CHLORIDE FORMUL 2 ZN ZN 2+ FORMUL 3 9TH C28 H31 CL IR N3 O4 S2 FORMUL 4 HOH *146(H2 O) HELIX 1 AA1 HIS A 15 ASP A 19 5 5 HELIX 2 AA2 PHE A 20 GLY A 25 5 6 HELIX 3 AA3 LYS A 126 GLY A 128 5 3 HELIX 4 AA4 ASP A 129 VAL A 134 1 6 HELIX 5 AA5 LYS A 153 GLY A 155 5 3 HELIX 6 AA6 LEU A 156 LEU A 163 1 8 HELIX 7 AA7 ASP A 164 LYS A 167 5 4 HELIX 8 AA8 ASP A 179 LEU A 184 5 6 HELIX 9 AA9 SER A 218 LYS A 227 1 10 SHEET 1 AA1 2 ASP A 32 ILE A 33 0 SHEET 2 AA1 2 THR A 108 VAL A 109 1 O THR A 108 N ILE A 33 SHEET 1 AA210 LYS A 39 TYR A 40 0 SHEET 2 AA210 LYS A 256 ALA A 257 1 O ALA A 257 N LYS A 39 SHEET 3 AA210 TYR A 190 GLY A 195 -1 N THR A 192 O LYS A 256 SHEET 4 AA210 VAL A 206 LEU A 211 -1 O VAL A 206 N GLY A 195 SHEET 5 AA210 MET A 140 VAL A 149 1 N GLY A 144 O ILE A 209 SHEET 6 AA210 ALA A 116 ASN A 124 -1 N LEU A 118 O ILE A 145 SHEET 7 AA210 TYR A 88 TRP A 97 -1 N GLN A 92 O VAL A 121 SHEET 8 AA210 PHE A 66 PHE A 70 -1 N VAL A 68 O PHE A 93 SHEET 9 AA210 SER A 56 ASN A 61 -1 N LEU A 57 O GLU A 69 SHEET 10 AA210 SER A 172 ASP A 174 -1 O ALA A 173 N ILE A 59 SHEET 1 AA3 6 LEU A 47 SER A 50 0 SHEET 2 AA3 6 VAL A 78 GLY A 81 -1 O VAL A 78 N SER A 50 SHEET 3 AA3 6 TYR A 88 TRP A 97 -1 O TYR A 88 N LEU A 79 SHEET 4 AA3 6 ALA A 116 ASN A 124 -1 O VAL A 121 N GLN A 92 SHEET 5 AA3 6 MET A 140 VAL A 149 -1 O ILE A 145 N LEU A 118 SHEET 6 AA3 6 ILE A 215 VAL A 217 1 O ILE A 215 N PHE A 146 LINK NE2 HIS A 94 ZN ZN A 301 1555 1555 2.05 LINK NE2 HIS A 96 ZN ZN A 301 1555 1555 2.16 LINK ND1 HIS A 119 ZN ZN A 301 1555 1555 2.12 LINK ZN ZN A 301 N2 9TH A 302 1555 1555 1.96 CISPEP 1 SER A 29 PRO A 30 0 1.07 CISPEP 2 PRO A 200 PRO A 201 0 12.90 SITE 1 AC1 4 HIS A 94 HIS A 96 HIS A 119 9TH A 302 SITE 1 AC2 12 HIS A 94 HIS A 96 HIS A 119 PHE A 130 SITE 2 AC2 12 MET A 197 THR A 198 THR A 199 PRO A 201 SITE 3 AC2 12 TRP A 208 ZN A 301 HOH A 402 HOH A 502 CRYST1 42.230 41.544 72.130 90.00 104.11 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 0.023680 0.000000 0.005950 0.00000 SCALE2 0.000000 0.024071 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014295 0.00000