HEADER HYDRO-LYASE 22-DEC-94 1YDC TITLE STRUCTURAL BASIS OF INHIBITOR AFFINITY TO VARIANTS OF HUMAN CARBONIC TITLE 2 ANHYDRASE II COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE II; COMPND 3 CHAIN: A; COMPND 4 EC: 4.2.1.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606 KEYWDS HYDRO-LYASE EXPDTA X-RAY DIFFRACTION AUTHOR S.K.NAIR,D.W.CHRISTIANSON REVDAT 4 14-FEB-24 1YDC 1 REMARK SEQADV LINK REVDAT 3 29-NOV-17 1YDC 1 HELIX REVDAT 2 24-FEB-09 1YDC 1 VERSN REVDAT 1 14-FEB-95 1YDC 0 JRNL AUTH S.K.NAIR,J.F.KREBS,D.W.CHRISTIANSON,C.A.FIERKE JRNL TITL STRUCTURAL BASIS OF INHIBITOR AFFINITY TO VARIANTS OF HUMAN JRNL TITL 2 CARBONIC ANHYDRASE II. JRNL REF BIOCHEMISTRY V. 34 3981 1995 JRNL REFN ISSN 0006-2960 JRNL PMID 7696263 JRNL DOI 10.1021/BI00012A016 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.50 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL 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 : 14065 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.165 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 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL 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 : 2031 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 86 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) : NULL 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) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 2.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.150 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 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 1YDC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000177371. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.88 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 20.85000 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 400 REMARK 400 COMPOUND REMARK 400 SECONDARY STRUCTURE ELEMENTS WERE DEFINED USING THE PROGRAM REMARK 400 *DSSP* (W. KABSCH, C. SANDER, BIOPOLYMERS, V. 22, P. 2577, REMARK 400 1983). 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 SER A 2 REMARK 465 HIS A 3 REMARK 465 HIS A 4 REMARK 465 LYS A 261 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 PHE A 260 O 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 HIS A 10 NE2 HIS A 10 CD2 -0.067 REMARK 500 HIS A 17 NE2 HIS A 17 CD2 -0.075 REMARK 500 HIS A 36 NE2 HIS A 36 CD2 -0.070 REMARK 500 HIS A 94 NE2 HIS A 94 CD2 -0.072 REMARK 500 HIS A 96 NE2 HIS A 96 CD2 -0.075 REMARK 500 HIS A 107 NE2 HIS A 107 CD2 -0.076 REMARK 500 HIS A 119 NE2 HIS A 119 CD2 -0.077 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 TRP A 5 CD1 - CG - CD2 ANGL. DEV. = 6.7 DEGREES REMARK 500 TRP A 5 CE2 - CD2 - CG ANGL. DEV. = -5.5 DEGREES REMARK 500 TRP A 16 CD1 - CG - CD2 ANGL. DEV. = 5.9 DEGREES REMARK 500 TRP A 16 CE2 - CD2 - CG ANGL. DEV. = -5.1 DEGREES REMARK 500 ARG A 58 NE - CZ - NH1 ANGL. DEV. = 5.0 DEGREES REMARK 500 ARG A 58 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ARG A 89 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 TRP A 97 CD1 - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TRP A 97 CE2 - CD2 - CG ANGL. DEV. = -5.3 DEGREES REMARK 500 TRP A 123 CD1 - CG - CD2 ANGL. DEV. = 6.1 DEGREES REMARK 500 TRP A 123 CE2 - CD2 - CG ANGL. DEV. = -5.9 DEGREES REMARK 500 ARG A 182 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 TRP A 192 CD1 - CG - CD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 TRP A 192 CE2 - CD2 - CG ANGL. DEV. = -5.2 DEGREES REMARK 500 TRP A 209 CD1 - CG - CD2 ANGL. DEV. = 7.4 DEGREES REMARK 500 TRP A 209 CG - CD1 - NE1 ANGL. DEV. = -6.2 DEGREES REMARK 500 TRP A 209 CE2 - CD2 - CG ANGL. DEV. = -5.7 DEGREES REMARK 500 TRP A 245 CD1 - CG - CD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 TRP A 245 CE2 - CD2 - CG ANGL. DEV. = -5.7 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 ASN A 11 14.11 -143.30 REMARK 500 PHE A 176 77.97 -154.61 REMARK 500 ASN A 244 56.40 -91.27 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 108.9 REMARK 620 3 HIS A 119 ND1 113.7 102.4 REMARK 620 4 HOH A 344 O 104.1 118.1 110.1 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 66.6 REMARK 620 3 GLN A 137 O 101.6 51.3 REMARK 620 4 CYS A 206 SG 60.2 96.7 83.1 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 262 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 263 DBREF 1YDC A 2 261 UNP P00918 CAH2_HUMAN 1 259 SEQADV 1YDC PHE A 198 UNP P00918 LEU 196 CONFLICT SEQRES 1 A 259 SER HIS HIS TRP GLY TYR GLY LYS HIS ASN GLY PRO GLU SEQRES 2 A 259 HIS TRP HIS LYS ASP PHE PRO ILE ALA LYS GLY GLU ARG SEQRES 3 A 259 GLN SER PRO VAL ASP ILE ASP THR HIS THR ALA LYS TYR SEQRES 4 A 259 ASP PRO SER LEU LYS PRO LEU SER VAL SER TYR ASP GLN SEQRES 5 A 259 ALA THR SER LEU ARG ILE LEU ASN ASN GLY HIS ALA PHE SEQRES 6 A 259 ASN VAL GLU PHE ASP ASP SER GLN ASP LYS ALA VAL LEU SEQRES 7 A 259 LYS GLY GLY PRO LEU ASP GLY THR TYR ARG LEU ILE GLN SEQRES 8 A 259 PHE HIS PHE HIS TRP GLY SER LEU ASP GLY GLN GLY SER SEQRES 9 A 259 GLU HIS THR VAL ASP LYS LYS LYS TYR ALA ALA GLU LEU SEQRES 10 A 259 HIS LEU VAL HIS TRP ASN THR LYS TYR GLY ASP PHE GLY SEQRES 11 A 259 LYS ALA VAL GLN GLN PRO ASP GLY LEU ALA VAL LEU GLY SEQRES 12 A 259 ILE PHE LEU LYS VAL GLY SER ALA LYS PRO GLY LEU GLN SEQRES 13 A 259 LYS VAL VAL ASP VAL LEU ASP SER ILE LYS THR LYS GLY SEQRES 14 A 259 LYS SER ALA ASP PHE THR ASN PHE ASP PRO ARG GLY LEU SEQRES 15 A 259 LEU PRO GLU SER LEU ASP TYR TRP THR TYR PRO GLY SER SEQRES 16 A 259 PHE THR THR PRO PRO LEU LEU GLU CYS VAL THR TRP ILE SEQRES 17 A 259 VAL LEU LYS GLU PRO ILE SER VAL SER SER GLU GLN VAL SEQRES 18 A 259 LEU LYS PHE ARG LYS LEU ASN PHE ASN GLY GLU GLY GLU SEQRES 19 A 259 PRO GLU GLU LEU MET VAL ASP ASN TRP ARG PRO ALA GLN SEQRES 20 A 259 PRO LEU LYS ASN ARG GLN ILE LYS ALA SER PHE LYS HET ZN A 262 1 HET HG A 263 1 HETNAM ZN ZINC ION HETNAM HG MERCURY (II) ION FORMUL 2 ZN ZN 2+ FORMUL 3 HG HG 2+ FORMUL 4 HOH *86(H2 O) HELIX 1 A PRO A 13 LYS A 18 5 6 HELIX 2 B PRO A 21 LYS A 24 5 4 HELIX 3 C THR A 125 TYR A 128 5 3 HELIX 4 D PHE A 131 ALA A 134 1 4 HELIX 5 E PRO A 155 ILE A 167 5158-163 RIGHT HANDED ALPHA 13 HELIX 6 F PRO A 181 LEU A 184 5 4 HELIX 7 G SER A 220 PHE A 226 1 7 SHEET 1 S10 SER A 173 ASP A 175 0 SHEET 2 S10 SER A 56 ASN A 61 -1 O ILE A 59 N ALA A 174 SHEET 3 S10 PHE A 66 PHE A 70 -1 O ASN A 67 N LEU A 60 SHEET 4 S10 TYR A 88 TRP A 97 -1 O PHE A 93 N VAL A 68 SHEET 5 S10 ALA A 116 ASN A 124 -1 O HIS A 119 N HIS A 94 SHEET 6 S10 LEU A 141 VAL A 150 -1 O LEU A 144 N LEU A 120 SHEET 7 S10 VAL A 207 LEU A 212 1 O ILE A 210 N GLY A 145 SHEET 8 S10 TYR A 191 GLY A 196 -1 O TRP A 192 N VAL A 211 SHEET 9 S10 LYS A 257 ALA A 258 -1 O LYS A 257 N THR A 193 SHEET 10 S10 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 2.03 LINK NE2 HIS A 96 ZN ZN A 262 1555 1555 2.01 LINK ND1 HIS A 119 ZN ZN A 262 1555 1555 2.00 LINK O VAL A 135 HG HG A 263 1555 1555 3.40 LINK N GLN A 137 HG HG A 263 1555 1555 3.49 LINK O GLN A 137 HG HG A 263 1555 1555 3.05 LINK SG CYS A 206 HG HG A 263 1555 1555 2.20 LINK ZN ZN A 262 O HOH A 344 1555 1555 2.10 CISPEP 1 SER A 29 PRO A 30 0 3.35 CISPEP 2 PRO A 201 PRO A 202 0 11.42 SITE 1 AC1 4 HIS A 94 HIS A 96 HIS A 119 HOH A 344 SITE 1 AC2 5 VAL A 135 GLN A 136 GLN A 137 GLU A 205 SITE 2 AC2 5 CYS A 206 CRYST1 42.700 41.700 73.000 90.00 104.60 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 0.023419 0.000000 0.006100 0.00000 SCALE2 0.000000 0.023981 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014156 0.00000