HEADER METAL BINDING PROTEIN 20-MAR-23 8OGD TITLE STRUCTURE OF ZINC(II) DOUBLE MUTANT HUMAN CARBONIC ANHYDRASE II BOUND TITLE 2 TO THIOCYANATE 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,CYANAMIDE HYDRATASE CA2; COMPND 6 EC: 4.2.1.1,4.2.1.69; 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 KEYWDS INHIBITOR, THIOCYANATE, ZINC, METAL BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.M.SILVA,L.CEROFOLINI,A.L.CARVALHO,E.RAVERA,M.FRAGAI,G.PARIGI, AUTHOR 2 A.L.MACEDO,C.F.G.C.GERALDES,C.LUCHINAT REVDAT 1 07-FEB-24 8OGD 0 JRNL AUTH J.M.SILVA,L.CEROFOLINI,A.L.CARVALHO,E.RAVERA,M.FRAGAI, JRNL AUTH 2 G.PARIGI,A.L.MACEDO,C.F.G.C.GERALDES,C.LUCHINAT JRNL TITL ELUCIDATING THE CONCENTRATION-DEPENDENT EFFECTS OF JRNL TITL 2 THIOCYANATE BINDING TO CARBONIC ANHYDRASE. JRNL REF J.INORG.BIOCHEM. V. 244 12222 2023 JRNL REFN ISSN 0162-0134 JRNL PMID 37068394 JRNL DOI 10.1016/J.JINORGBIO.2023.112222 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.18.2_3874 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.77 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 24468 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.173 REMARK 3 R VALUE (WORKING SET) : 0.171 REMARK 3 FREE R VALUE : 0.198 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.740 REMARK 3 FREE R VALUE TEST SET COUNT : 1160 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 23.7700 - 3.5000 1.00 2994 149 0.1441 0.1608 REMARK 3 2 3.5000 - 2.7800 1.00 2916 161 0.1557 0.1808 REMARK 3 3 2.7800 - 2.4300 1.00 2915 143 0.1628 0.1766 REMARK 3 4 2.4300 - 2.2000 1.00 2935 132 0.1576 0.1741 REMARK 3 5 2.2000 - 2.0500 1.00 2870 169 0.1672 0.2136 REMARK 3 6 2.0500 - 1.9300 1.00 2893 135 0.1986 0.2371 REMARK 3 7 1.9300 - 1.8300 1.00 2900 145 0.2282 0.2861 REMARK 3 8 1.8300 - 1.7500 1.00 2885 126 0.2650 0.3072 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.166 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.429 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.89 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.98 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.011 2164 REMARK 3 ANGLE : 1.568 2936 REMARK 3 CHIRALITY : 0.072 305 REMARK 3 PLANARITY : 0.011 382 REMARK 3 DIHEDRAL : 6.475 278 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8OGD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 20-MAR-23. REMARK 100 THE DEPOSITION ID IS D_1292128799. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-JUL-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : SEALED TUBE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : BRUKER IMUS MICROFOCUS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CMOS REMARK 200 DETECTOR MANUFACTURER : BRUKER PHOTON 100 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CARELESS REMARK 200 DATA SCALING SOFTWARE : SADABS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24493 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 23.770 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 1.900 REMARK 200 R MERGE (I) : 0.07100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.4400 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) : 1.81 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 <I/SIGMA(I)> 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: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.82 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM HEPES, 2.9 M AMMONIUM SULFATE, REMARK 280 1 MM 4-HYDROXYMERCURIC BENZOIC ACID SODIUM SALT., PH 7.5, VAPOR REMARK 280 DIFFUSION, SITTING 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 20.66650 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 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 ASN A 3 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 HG CYS A 206 HG HGB A 301 1.27 REMARK 500 HE21 GLN A 137 O HOH A 401 1.30 REMARK 500 HZ1 LYS A 133 O HOH A 408 1.60 REMARK 500 O HOH A 426 O HOH A 685 1.68 REMARK 500 O HOH A 510 O HOH A 573 1.86 REMARK 500 O HOH A 587 O HOH A 597 1.89 REMARK 500 O HOH A 537 O HOH A 730 1.98 REMARK 500 O HOH A 651 O HOH A 734 2.00 REMARK 500 NE2 GLN A 137 O HOH A 401 2.02 REMARK 500 O HOH A 477 O HOH A 540 2.03 REMARK 500 O HOH A 643 O HOH A 723 2.13 REMARK 500 O HOH A 638 O HOH A 686 2.14 REMARK 500 OE1 GLU A 239 O HOH A 402 2.14 REMARK 500 O HOH A 423 O HOH A 635 2.15 REMARK 500 O HOH A 510 O HOH A 574 2.17 REMARK 500 OE2 GLU A 238 O HOH A 403 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 448 O HOH A 486 2446 1.27 REMARK 500 O HOH A 623 O HOH A 653 1655 2.03 REMARK 500 O HOH A 685 O HOH A 742 2455 2.17 REMARK 500 O HOH A 565 O HOH A 694 2445 2.17 REMARK 500 O HOH A 421 O HOH A 538 1455 2.18 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 LYS A 159 CE LYS A 159 NZ 0.203 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 LYS A 45 CD - CE - NZ ANGL. DEV. = 37.2 DEGREES REMARK 500 LYS A 159 CD - CE - NZ ANGL. DEV. = -15.3 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 32.20 -142.07 REMARK 500 ARG A 27 51.52 -141.65 REMARK 500 LYS A 76 -84.70 -119.97 REMARK 500 GLU A 106 -61.26 -93.36 REMARK 500 LYS A 111 -0.23 73.96 REMARK 500 PHE A 176 65.55 -152.39 REMARK 500 ASN A 244 48.70 -95.26 REMARK 500 LYS A 252 -141.27 56.73 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 A 760 DISTANCE = 6.01 ANGSTROMS REMARK 525 HOH A 761 DISTANCE = 6.15 ANGSTROMS REMARK 525 HOH A 762 DISTANCE = 7.79 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 ZN A 303 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 94 NE2 REMARK 620 2 HIS A 96 NE2 99.5 REMARK 620 3 HIS A 119 ND1 118.3 89.1 REMARK 620 4 SCN A 302 N 91.2 168.6 82.4 REMARK 620 5 HOH A 434 O 107.2 88.2 134.1 92.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HGB A 301 HG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 137 O REMARK 620 2 HGB A 301 C7 96.7 REMARK 620 3 HOH A 610 O 140.2 95.9 REMARK 620 N 1 2 DBREF 8OGD A 1 261 UNP P00918 CAH2_HUMAN 1 260 SEQADV 8OGD ASN A 3 UNP P00918 HIS 3 ENGINEERED MUTATION SEQADV 8OGD ASN A 4 UNP P00918 HIS 4 ENGINEERED MUTATION SEQRES 1 A 260 MET SER ASN ASN 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 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 HGB A 301 15 HET SCN A 302 3 HET ZN A 303 1 HETNAM HGB 4-(HYDROXYMERCURY)BENZOIC ACID HETNAM SCN THIOCYANATE ION HETNAM ZN ZINC ION FORMUL 2 HGB C7 H6 HG O3 FORMUL 3 SCN C N S 1- FORMUL 4 ZN ZN 2+ FORMUL 5 HOH *362(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 127 GLY A 129 5 3 HELIX 4 AA4 ASP A 130 VAL A 135 1 6 HELIX 5 AA5 LYS A 154 GLY A 156 5 3 HELIX 6 AA6 LEU A 157 LEU A 164 1 8 HELIX 7 AA7 ASP A 165 LYS A 168 5 4 HELIX 8 AA8 ASP A 180 LEU A 185 5 6 HELIX 9 AA9 SER A 219 ARG A 227 1 9 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 257 ALA A 258 1 O ALA A 258 N LYS A 39 SHEET 3 AA210 TYR A 191 GLY A 196 -1 N THR A 193 O LYS A 257 SHEET 4 AA210 VAL A 207 LEU A 212 -1 O VAL A 207 N GLY A 196 SHEET 5 AA210 LEU A 141 VAL A 150 1 N GLY A 145 O ILE A 210 SHEET 6 AA210 ALA A 116 ASN A 124 -1 N LEU A 118 O ILE A 146 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 ARG A 58 O GLU A 69 SHEET 10 AA210 SER A 173 ASP A 175 -1 O ALA A 174 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 LYS A 80 N SER A 48 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 LEU A 141 VAL A 150 -1 O ILE A 146 N LEU A 118 SHEET 6 AA3 6 ILE A 216 VAL A 218 1 O VAL A 218 N LYS A 149 LINK NE2 HIS A 94 ZN ZN A 303 1555 1555 2.13 LINK NE2 HIS A 96 ZN ZN A 303 1555 1555 2.20 LINK ND1 HIS A 119 ZN ZN A 303 1555 1555 2.18 LINK O GLN A 137 HG HGB A 301 1555 1555 2.94 LINK HG HGB A 301 O HOH A 610 1555 1555 2.83 LINK N SCN A 302 ZN ZN A 303 1555 1555 2.03 LINK ZN ZN A 303 O HOH A 434 1555 1555 2.17 CISPEP 1 SER A 29 PRO A 30 0 -2.57 CISPEP 2 PRO A 201 PRO A 202 0 10.85 CRYST1 42.028 41.333 72.250 90.00 104.43 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 0.023794 0.000000 0.006121 0.00000 SCALE2 0.000000 0.024194 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014292 0.00000