PDB Short entry for 1CRA HEADER LYASE(OXO-ACID) 21-OCT-92 1CRA TITLE THE COMPLEX BETWEEN HUMAN CARBONIC ANHYDRASE II AND THE AROMATIC TITLE 2 INHIBITOR 1,2,4-TRIAZOLE 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 LYASE(OXO-ACID) EXPDTA X-RAY DIFFRACTION AUTHOR S.MANGANI,A.LILJAS REVDAT 3 29-NOV-17 1CRA 1 HELIX REVDAT 2 24-FEB-09 1CRA 1 VERSN REVDAT 1 31-JAN-94 1CRA 0 JRNL AUTH S.MANGANI,A.LILJAS JRNL TITL CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN HUMAN CARBONIC JRNL TITL 2 ANHYDRASE II AND THE AROMATIC INHIBITOR 1,2,4-TRIAZOLE. JRNL REF J.MOL.BIOL. V. 232 9 1993 JRNL REFN ISSN 0022-2836 JRNL PMID 8331673 JRNL DOI 10.1006/JMBI.1993.1365 REMARK 2 REMARK 2 RESOLUTION. 1.90 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL 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) : 0.153 REMARK 3 R VALUE (WORKING SET) : NULL 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) : NULL 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) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2068 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 225 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) : 0.021 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 3.400 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : 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 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CRA 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_1000172473. 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 <I/SIGMA(I)> 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.89 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 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 CD2 HIS A 64 O HOH A 332 1.36 REMARK 500 NE2 HIS A 64 O HOH A 332 1.47 REMARK 500 O HOH A 381 O HOH A 389 2.09 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 CD2 HIS A 36 O HOH A 386 2546 2.04 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 14 CD GLU A 14 OE1 0.072 REMARK 500 GLU A 26 CD GLU A 26 OE2 0.074 REMARK 500 GLU A 187 CD GLU A 187 OE1 0.082 REMARK 500 GLU A 234 CD GLU A 234 OE1 0.085 REMARK 500 GLU A 239 CD GLU A 239 OE1 0.076 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 ACE A 1 O - C - N ANGL. DEV. = -10.5 DEGREES REMARK 500 HIS A 4 C - N - CA ANGL. DEV. = -16.9 DEGREES REMARK 500 HIS A 4 N - CA - CB ANGL. DEV. = 21.1 DEGREES REMARK 500 ASP A 19 CB - CG - OD2 ANGL. DEV. = -8.8 DEGREES REMARK 500 ARG A 27 NE - CZ - NH1 ANGL. DEV. = 4.9 DEGREES REMARK 500 ARG A 27 NE - CZ - NH2 ANGL. DEV. = -4.2 DEGREES REMARK 500 ASP A 52 CB - CG - OD1 ANGL. DEV. = 8.9 DEGREES REMARK 500 ASP A 52 CB - CG - OD2 ANGL. DEV. = -8.6 DEGREES REMARK 500 PHE A 66 CB - CG - CD2 ANGL. DEV. = -5.2 DEGREES REMARK 500 ASP A 71 CB - CG - OD1 ANGL. DEV. = 7.2 DEGREES REMARK 500 ASP A 72 CB - CG - OD2 ANGL. DEV. = 7.4 DEGREES REMARK 500 ASP A 75 CB - CG - OD1 ANGL. DEV. = 6.6 DEGREES REMARK 500 ASP A 75 CB - CG - OD2 ANGL. DEV. = -5.9 DEGREES REMARK 500 TYR A 88 CZ - CE2 - CD2 ANGL. DEV. = -6.6 DEGREES REMARK 500 ARG A 89 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 ARG A 89 NE - CZ - NH2 ANGL. DEV. = -6.8 DEGREES REMARK 500 ASP A 130 CB - CG - OD1 ANGL. DEV. = 6.0 DEGREES REMARK 500 ASP A 162 CB - CG - OD2 ANGL. DEV. = -8.6 DEGREES REMARK 500 ASP A 165 CB - CG - OD2 ANGL. DEV. = -6.2 DEGREES REMARK 500 ASP A 175 CB - CG - OD1 ANGL. DEV. = 11.2 DEGREES REMARK 500 ARG A 182 NE - CZ - NH1 ANGL. DEV. = 4.7 DEGREES REMARK 500 ARG A 182 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 GLU A 221 CG - CD - OE1 ANGL. DEV. = 15.5 DEGREES REMARK 500 GLU A 236 CG - CD - OE1 ANGL. DEV. = 12.7 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 HIS A 3 -113.75 134.90 REMARK 500 ASN A 11 19.00 -140.87 REMARK 500 PHE A 176 71.42 -152.77 REMARK 500 ASN A 244 50.03 -95.58 REMARK 500 LYS A 252 -139.30 57.44 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 SOME MERCURY++ FROM THE CRYSTALLIZATION REMAINS. 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 119 ND1 REMARK 620 2 HIS A 94 NE2 113.1 REMARK 620 3 TRI A 494 N4 114.6 99.5 REMARK 620 4 HIS A 96 NE2 99.2 103.1 127.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HG A 495 HG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 137 N REMARK 620 2 HOH A 362 O 88.3 REMARK 620 3 HOH A 448 O 85.4 86.5 REMARK 620 4 VAL A 135 O 66.1 66.8 140.5 REMARK 620 5 GLU A 205 O 132.6 135.8 81.9 137.5 REMARK 620 6 GLN A 137 O 47.4 135.6 91.0 89.0 87.2 REMARK 620 N 1 2 3 4 5 REMARK 700 REMARK 700 SHEET REMARK 700 SHEET B1 OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REMARK 700 REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS *B1A* AND *B1B* ARE DEFINED. STRANDS 5, 6, 7, REMARK 700 8, 9, AND 10 OF B1A ARE IDENTICAL TO STRANDS 2, 3, 4, 5, 6, REMARK 700 AND 7 OF B1B, RESPECTIVELY. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ZN REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE REMARK 800 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 495 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRI A 494 REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUES 125 AND 127 ARE ADJACENT IN THE SEQUENCE. DBREF 1CRA A 2 261 UNP P00918 CAH2_HUMAN 1 259 SEQRES 1 A 260 ACE 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 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 ACE A 1 3 HET ZN A 262 1 HET HG A 495 1 HET TRI A 494 5 HETNAM ACE ACETYL GROUP HETNAM ZN ZINC ION HETNAM HG MERCURY (II) ION HETNAM TRI 1,2,4-TRIAZOLE FORMUL 1 ACE C2 H4 O FORMUL 2 ZN ZN 2+ FORMUL 3 HG HG 2+ FORMUL 4 TRI C2 H3 N3 FORMUL 5 HOH *225(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 E1 PRO A 155 LEU A 157 5 3 HELIX 6 E2 GLN A 158 VAL A 163 1 6 HELIX 7 E3 LEU A 164 ILE A 167 5 4 HELIX 8 F PRO A 181 LEU A 184 5 4 HELIX 9 G SER A 220 PHE A 226 1 7 SHEET 1 B1A10 LYS A 39 TYR A 40 0 SHEET 2 B1A10 LYS A 257 ALA A 258 1 N ALA A 258 O LYS A 39 SHEET 3 B1A10 TYR A 191 GLY A 196 -1 N THR A 193 O LYS A 257 SHEET 4 B1A10 VAL A 207 LEU A 212 -1 N VAL A 211 O TRP A 192 SHEET 5 B1A10 LEU A 141 GLY A 151 1 O VAL A 143 N ILE A 210 SHEET 6 B1A10 ALA A 116 ASN A 124 -1 N LEU A 120 O LEU A 144 SHEET 7 B1A10 TYR A 88 TRP A 97 -1 O HIS A 94 N HIS A 119 SHEET 8 B1A10 PHE A 66 PHE A 70 -1 N VAL A 68 O PHE A 93 SHEET 9 B1A10 SER A 56 ASN A 61 -1 O ARG A 58 N GLU A 69 SHEET 10 B1A10 SER A 173 ASP A 175 -1 O SER A 173 N ILE A 59 SHEET 1 B1B 7 ILE A 216 SER A 219 0 SHEET 2 B1B 7 LEU A 141 GLY A 151 1 N GLY A 151 O VAL A 218 SHEET 3 B1B 7 ALA A 116 ASN A 124 -1 N LEU A 120 O LEU A 144 SHEET 4 B1B 7 TYR A 88 TRP A 97 -1 O HIS A 94 N HIS A 119 SHEET 5 B1B 7 PHE A 66 PHE A 70 -1 N VAL A 68 O PHE A 93 SHEET 6 B1B 7 SER A 56 ASN A 61 -1 O ARG A 58 N GLU A 69 SHEET 7 B1B 7 SER A 173 ASP A 175 -1 O SER A 173 N ILE A 59 SHEET 1 B2 2 LEU A 47 SER A 50 0 SHEET 2 B2 2 VAL A 78 GLY A 81 -1 N LYS A 80 O SER A 48 SHEET 1 B3 2 ASP A 32 ILE A 33 0 SHEET 2 B3 2 THR A 108 VAL A 109 1 O THR A 108 N ILE A 33 LINK C ACE A 1 N SER A 2 1555 1555 1.41 LINK ZN ZN A 262 ND1 HIS A 119 1555 1555 1.98 LINK ZN ZN A 262 NE2 HIS A 94 1555 1555 2.19 LINK ZN ZN A 262 N4 TRI A 494 1555 1555 2.05 LINK ZN ZN A 262 NE2 HIS A 96 1555 1555 2.03 LINK HG HG A 495 N GLN A 137 1555 1555 3.43 LINK HG HG A 495 O HOH A 362 1555 1555 1.99 LINK HG HG A 495 O HOH A 448 1555 1555 2.39 LINK HG HG A 495 O VAL A 135 1555 1555 3.00 LINK HG HG A 495 O GLU A 205 1555 1555 3.37 LINK HG HG A 495 O GLN A 137 1555 1555 3.19 CISPEP 1 SER A 29 PRO A 30 0 -0.56 CISPEP 2 PRO A 201 PRO A 202 0 9.21 SITE 1 ZN 3 HIS A 94 HIS A 96 HIS A 119 SITE 1 AC1 4 HIS A 94 HIS A 96 HIS A 119 TRI A 494 SITE 1 AC2 7 VAL A 135 GLN A 136 GLN A 137 GLU A 205 SITE 2 AC2 7 CYS A 206 HOH A 362 HOH A 448 SITE 1 AC3 7 HIS A 94 HIS A 96 HIS A 119 LEU A 198 SITE 2 AC3 7 THR A 199 THR A 200 ZN A 262 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 HETATM 1 C ACE A 1 14.775 -4.762 13.463 0.55 44.16 C HETATM 2 O ACE A 1 14.062 -4.290 14.375 0.55 48.63 O HETATM 3 CH3 ACE A 1 16.151 -5.281 13.799 0.55 40.23 C