HEADER LYASE 14-NOV-08 2W3Q TITLE STRUCTURE AND INHIBITION OF THE CO2-SENSING CARBONIC ANHYDRASE CAN2 TITLE 2 FROM THE PATHOGENIC FUNGUS CRYPTOCOCCUS NEOFORMANS COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CARBONIC ANHYDRASE; COMPND 5 EC: 4.2.1.1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CRYPTOCOCCUS NEOFORMANS; SOURCE 3 ORGANISM_TAXID: 5207; SOURCE 4 VARIANT: GRUBII; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: ROSETTA; SOURCE 8 EXPRESSION_SYSTEM_VECTOR: PET151 TOPO KEYWDS BETA-CLASS CARBONIC ANHYDRASE, LYASE, INHIBITION, SULFONAMIDE, KEYWDS 2 CRYPTOCOCCUS NEOFORMANS EXPDTA X-RAY DIFFRACTION AUTHOR C.SCHLICKER,R.A.HALL,D.VULLO,S.MIDDELHAUFE,M.GERTZ,C.T.SUPURAN, AUTHOR 2 F.A.MUEHLSCHLEGEL,C.STEEGBORN REVDAT 3 13-DEC-23 2W3Q 1 LINK REVDAT 2 27-JAN-09 2W3Q 1 VERSN JRNL REVDAT 1 30-DEC-08 2W3Q 0 JRNL AUTH C.SCHLICKER,R.A.HALL,D.VULLO,S.MIDDELHAUFE,M.GERTZ, JRNL AUTH 2 C.T.SUPURAN,F.A.MUEHLSCHLEGEL,C.STEEGBORN JRNL TITL STRUCTURE AND INHIBITION OF THE CO(2)-SENSING CARBONIC JRNL TITL 2 ANHYDRASE CAN2 FROM THE PATHOGENIC FUNGUS CRYPTOCOCCUS JRNL TITL 3 NEOFORMANS. JRNL REF J.MOL.BIOL. V. 385 1207 2009 JRNL REFN ISSN 0022-2836 JRNL PMID 19071134 JRNL DOI 10.1016/J.JMB.2008.11.037 REMARK 2 REMARK 2 RESOLUTION. 1.34 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.34 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.670 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.139 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.138 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.185 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 2718 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 54510 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 51635 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1766 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 165 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 ANGLE DISTANCES (A) : 0.030 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : NULL REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2W3Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 14-NOV-08. REMARK 100 THE DEPOSITION ID IS D_1290038108. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X10SA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9789 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 54533 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.340 REMARK 200 RESOLUTION RANGE LOW (A) : 47.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.670 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 1.000 REMARK 200 R MERGE (I) : 0.13000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.4300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.34 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.43 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.8 REMARK 200 DATA REDUNDANCY IN SHELL : 0.99 REMARK 200 R MERGE FOR SHELL (I) : 0.35000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.010 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: PDB ENTRY 1T75 REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20 % PEG3350, 0.2 M NACL, 0.1 M REMARK 280 TRIS_HCL PH 8.6 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 44.86333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 89.72667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 89.72667 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 44.86333 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 TOTAL BURIED SURFACE AREA: 7140 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24530 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -48.3 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 44.86333 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A2063 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2064 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2068 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2081 LIES ON A SPECIAL POSITION. 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 THR A 140 REMARK 465 GLU A 141 REMARK 465 GLU A 142 REMARK 465 ASN A 143 REMARK 465 PRO A 144 REMARK 465 PHE A 231 REMARK 465 VAL A 232 REMARK 465 ASP A 233 REMARK 465 ASP A 234 REMARK 465 ARG A 235 REMARK 465 VAL A 236 REMARK 465 PRO A 237 REMARK 465 ARG A 238 REMARK 465 ALA A 239 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 MET A 16 CE REMARK 470 LYS A 26 CE NZ REMARK 470 MET A 120 CE REMARK 470 GLU A 165 CG CD OE1 OE2 REMARK 470 LYS A 182 CD CE NZ REMARK 470 GLU A 195 CG CD OE1 OE2 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 31 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 31 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ARG A 38 CD - NE - CZ ANGL. DEV. = 11.3 DEGREES REMARK 500 ARG A 38 NE - CZ - NH1 ANGL. DEV. = 5.1 DEGREES REMARK 500 ARG A 81 NE - CZ - NH1 ANGL. DEV. = -5.7 DEGREES REMARK 500 ARG A 90 NE - CZ - NH1 ANGL. DEV. = -4.7 DEGREES REMARK 500 ASP A 100 CB - CG - OD1 ANGL. DEV. = -6.9 DEGREES REMARK 500 TYR A 109 CB - CG - CD1 ANGL. DEV. = 4.3 DEGREES REMARK 500 ARG A 151 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 ARG A 198 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG A 203 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ILE A 219 C - N - CA ANGL. DEV. = 16.1 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 ALA A 60 58.10 -144.75 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 A1231 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 68 SG REMARK 620 2 HIS A 124 NE2 112.5 REMARK 620 3 CYS A 127 SG 121.0 109.9 REMARK 620 4 HOH A2165 O 108.0 93.6 108.1 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 A1231 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A1232 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2W3N RELATED DB: PDB REMARK 900 STRUCTURE AND INHIBITION OF THE CO2-SENSING CARBONIC ANHYDRASE CAN2 REMARK 900 FROM THE PATHOGENIC FUNGUS CRYPTOCOCCUS NEOFORMANS DBREF 2W3Q A -3 0 PDB 2W3Q 2W3Q -3 0 DBREF 2W3Q A 1 239 UNP Q3I4V7 Q3I4V7_CRYNV 1 239 SEQRES 1 A 243 PRO LEU GLY SER MET PRO PHE HIS ALA GLU PRO LEU LYS SEQRES 2 A 243 PRO SER ASP GLU ILE ASP MET ASP LEU GLY HIS SER VAL SEQRES 3 A 243 ALA ALA GLN LYS PHE LYS GLU ILE ARG GLU VAL LEU GLU SEQRES 4 A 243 GLY ASN ARG TYR TRP ALA ARG LYS VAL THR SER GLU GLU SEQRES 5 A 243 PRO GLU PHE MET ALA GLU GLN VAL LYS GLY GLN ALA PRO SEQRES 6 A 243 ASN PHE LEU TRP ILE GLY CYS ALA ASP SER ARG VAL PRO SEQRES 7 A 243 GLU VAL THR ILE MET ALA ARG LYS PRO GLY ASP VAL PHE SEQRES 8 A 243 VAL GLN ARG ASN VAL ALA ASN GLN PHE LYS PRO GLU ASP SEQRES 9 A 243 ASP SER SER GLN ALA LEU LEU ASN TYR ALA ILE MET ASN SEQRES 10 A 243 VAL GLY VAL THR HIS VAL MET VAL VAL GLY HIS THR GLY SEQRES 11 A 243 CYS GLY GLY CYS ILE ALA ALA PHE ASP GLN PRO LEU PRO SEQRES 12 A 243 THR GLU GLU ASN PRO GLY GLY THR PRO LEU VAL ARG TYR SEQRES 13 A 243 LEU GLU PRO ILE ILE ARG LEU LYS HIS SER LEU PRO GLU SEQRES 14 A 243 GLY SER ASP VAL ASN ASP LEU ILE LYS GLU ASN VAL LYS SEQRES 15 A 243 MET ALA VAL LYS ASN VAL VAL ASN SER PRO THR ILE GLN SEQRES 16 A 243 GLY ALA TRP GLU GLN ALA ARG LYS GLY GLU PHE ARG GLU SEQRES 17 A 243 VAL PHE VAL HIS GLY TRP LEU TYR ASP LEU SER THR GLY SEQRES 18 A 243 ASN ILE VAL ASP LEU ASN VAL THR GLN GLY PRO HIS PRO SEQRES 19 A 243 PHE VAL ASP ASP ARG VAL PRO ARG ALA HET ZN A1231 1 HET CL A1232 1 HETNAM ZN ZINC ION HETNAM CL CHLORIDE ION FORMUL 2 ZN ZN 2+ FORMUL 3 CL CL 1- FORMUL 4 HOH *165(H2 O) HELIX 1 1 LYS A 9 LEU A 18 1 10 HELIX 2 2 SER A 21 PHE A 27 1 7 HELIX 3 3 PHE A 27 GLU A 48 1 22 HELIX 4 4 GLU A 48 GLY A 58 1 11 HELIX 5 5 PRO A 74 MET A 79 1 6 HELIX 6 6 VAL A 92 GLN A 95 5 4 HELIX 7 7 ASP A 100 ASN A 113 1 14 HELIX 8 8 CYS A 127 ASP A 135 1 9 HELIX 9 9 THR A 147 LEU A 153 1 7 HELIX 10 10 LEU A 153 LEU A 163 1 11 HELIX 11 11 ASP A 168 ASN A 186 1 19 HELIX 12 12 SER A 187 LYS A 199 1 13 SHEET 1 AA 5 VAL A 86 ASN A 91 0 SHEET 2 AA 5 PHE A 63 CYS A 68 1 O PHE A 63 N PHE A 87 SHEET 3 AA 5 HIS A 118 HIS A 124 1 O HIS A 118 N LEU A 64 SHEET 4 AA 5 PHE A 206 TYR A 212 1 O PHE A 206 N VAL A 119 SHEET 5 AA 5 ILE A 219 ASP A 221 -1 O VAL A 220 N LEU A 211 LINK SG CYS A 68 ZN ZN A1231 1555 1555 2.26 LINK NE2 HIS A 124 ZN ZN A1231 1555 1555 2.07 LINK SG CYS A 127 ZN ZN A1231 1555 1555 2.32 LINK ZN ZN A1231 O HOH A2165 1555 1555 2.07 SITE 1 AC1 4 CYS A 68 HIS A 124 CYS A 127 HOH A2165 SITE 1 AC2 4 VAL A 185 GLN A 226 HOH A2131 HOH A2134 CRYST1 55.190 55.190 134.590 90.00 90.00 120.00 P 31 2 1 6 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 0.018119 0.010461 0.000000 0.00000 SCALE2 0.000000 0.020922 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007430 0.00000