HEADER LYASE 12-NOV-99 1DDZ TITLE X-RAY STRUCTURE OF A BETA-CARBONIC ANHYDRASE FROM THE RED ALGA, TITLE 2 PORPHYRIDIUM PURPUREUM R-1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 4.2.1.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PORPHYRIDIUM PURPUREUM; SOURCE 3 ORGANISM_TAXID: 35688; SOURCE 4 VARIANT: R-1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET16B KEYWDS ALPHA-BETA-ALPHA, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR S.MITSUHASHI,T.MIZUSHIMA,E.YAMASHITA,S.MIYACHI,T.TSUKIHARA REVDAT 5 07-FEB-24 1DDZ 1 REMARK LINK REVDAT 4 24-FEB-09 1DDZ 1 VERSN REVDAT 3 01-APR-03 1DDZ 1 JRNL REVDAT 2 06-DEC-00 1DDZ 1 DBREF CRYST1 SOURCE REVDAT 1 08-MAR-00 1DDZ 0 JRNL AUTH S.MITSUHASHI,T.MIZUSHIMA,E.YAMASHITA,M.YAMAMOTO,T.KUMASAKA, JRNL AUTH 2 H.MORIYAMA,T.UEKI,S.MIYACHI,T.TSUKIHARA JRNL TITL X-RAY STRUCTURE OF BETA-CARBONIC ANHYDRASE FROM THE RED JRNL TITL 2 ALGA, PORPHYRIDIUM PURPUREUM, REVEALS A NOVEL CATALYTIC SITE JRNL TITL 3 FOR CO(2) HYDRATION. JRNL REF J.BIOL.CHEM. V. 275 5521 2000 JRNL REFN ISSN 0021-9258 JRNL PMID 10681531 JRNL DOI 10.1074/JBC.275.8.5521 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.843 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 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 : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.208 REMARK 3 FREE R VALUE : 0.274 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2524 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 : 7484 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 612 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.90 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 2.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 1DDZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-NOV-99. REMARK 100 THE DEPOSITION ID IS D_1000010004. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-APR-98 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.75 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL45XU REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 50489 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 60.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : 0.07100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : 0.22700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.89 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, AMMONIUM SULFATE, SODIUM REMARK 280 CACODYLATE, PH 6.75, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 293K 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 56.40000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9410 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 32810 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -6.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 VAL A 76 REMARK 465 LYS A 77 REMARK 465 LEU A 78 REMARK 465 ALA A 79 REMARK 465 ALA A 80 REMARK 465 GLY A 81 REMARK 465 MET A 82 REMARK 465 GLY A 83 REMARK 465 GLN A 565 REMARK 465 ILE A 566 REMARK 465 PHE A 567 REMARK 465 ARG A 568 REMARK 465 THR A 569 REMARK 465 LYS A 570 REMARK 465 GLN A 571 REMARK 465 VAL B 76 REMARK 465 LYS B 77 REMARK 465 LEU B 78 REMARK 465 ALA B 79 REMARK 465 ALA B 80 REMARK 465 GLY B 81 REMARK 465 MET B 82 REMARK 465 GLY B 83 REMARK 465 GLN B 565 REMARK 465 ILE B 566 REMARK 465 PHE B 567 REMARK 465 ARG B 568 REMARK 465 THR B 569 REMARK 465 LYS B 570 REMARK 465 GLN B 571 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 VAL A 288 CB - CA - C ANGL. DEV. = -12.5 DEGREES REMARK 500 SER B 141 CB - CA - C ANGL. DEV. = -13.8 DEGREES REMARK 500 VAL B 288 CB - CA - C ANGL. DEV. = -12.3 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 SER A 112 156.23 -42.27 REMARK 500 ASP A 151 57.01 -98.55 REMARK 500 ASP A 293 -14.51 -140.82 REMARK 500 ASN A 304 108.52 -170.27 REMARK 500 LYS A 336 -78.15 -58.35 REMARK 500 ASP A 383 103.69 -168.16 REMARK 500 THR A 393 130.99 -38.23 REMARK 500 SER A 406 70.51 36.84 REMARK 500 ALA A 428 31.48 70.23 REMARK 500 ASN A 429 51.76 36.08 REMARK 500 LYS A 558 134.75 178.95 REMARK 500 ALA A 559 115.58 -163.67 REMARK 500 SER B 112 156.75 -41.46 REMARK 500 ASP B 151 57.13 -97.95 REMARK 500 ASN B 175 51.86 38.62 REMARK 500 ASN B 304 107.68 -172.19 REMARK 500 LYS B 336 -80.44 -57.96 REMARK 500 ASP B 383 103.13 -168.40 REMARK 500 THR B 393 131.45 -38.08 REMARK 500 SER B 406 68.04 37.38 REMARK 500 ASN B 429 51.68 35.28 REMARK 500 LYS B 558 134.82 179.85 REMARK 500 ALA B 559 115.34 -163.41 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 1 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 149 SG REMARK 620 2 ASP A 151 OD2 90.3 REMARK 620 3 HIS A 205 NE2 101.2 99.4 REMARK 620 4 CYS A 208 SG 105.5 145.3 107.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 2 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 403 SG REMARK 620 2 ASP A 405 OD2 101.5 REMARK 620 3 HIS A 459 NE2 110.8 110.9 REMARK 620 4 CYS A 462 SG 107.1 120.9 105.4 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 3 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 149 SG REMARK 620 2 ASP B 151 OD2 95.2 REMARK 620 3 HIS B 205 NE2 112.9 104.8 REMARK 620 4 CYS B 208 SG 103.9 131.2 108.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 4 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 403 SG REMARK 620 2 ASP B 405 OD2 95.2 REMARK 620 3 HIS B 459 NE2 115.0 109.4 REMARK 620 4 CYS B 462 SG 108.2 113.5 114.1 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 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 4 DBREF 1DDZ A 76 571 UNP Q43060 Q43060_9RHOD 76 571 DBREF 1DDZ B 76 571 UNP Q43060 Q43060_9RHOD 76 571 SEQRES 1 A 496 VAL LYS LEU ALA ALA GLY MET GLY VAL MET SER ASP LEU SEQRES 2 A 496 GLU LYS LYS PHE ILE GLU LEU GLU ALA LYS LEU VAL ALA SEQRES 3 A 496 GLN PRO ALA GLY GLN ALA MET PRO GLY LYS SER ASN ILE SEQRES 4 A 496 PHE ALA ASN ASN GLU ALA TRP ARG GLN GLU MET LEU LYS SEQRES 5 A 496 GLN ASP PRO GLU PHE PHE ASN ARG LEU ALA ASN GLY GLN SEQRES 6 A 496 SER PRO GLU TYR LEU TRP ILE GLY CYS ALA ASP SER ARG SEQRES 7 A 496 VAL PRO ALA ASN GLN LEU LEU ASP LEU PRO ALA GLY GLU SEQRES 8 A 496 VAL PHE VAL HIS ARG ASN ILE ALA ASN GLN CYS ILE HIS SEQRES 9 A 496 SER ASP ILE SER PHE LEU SER VAL LEU GLN TYR ALA VAL SEQRES 10 A 496 GLN TYR LEU LYS VAL LYS HIS ILE LEU VAL CYS GLY HIS SEQRES 11 A 496 TYR GLY CYS GLY GLY ALA LYS ALA ALA LEU GLY ASP SER SEQRES 12 A 496 ARG LEU GLY LEU ILE ASP ASN TRP LEU ARG HIS ILE ARG SEQRES 13 A 496 ASP VAL ARG ARG MET ASN ALA LYS TYR LEU ASP LYS CYS SEQRES 14 A 496 LYS ASP GLY ASP GLU GLU LEU ASN ARG LEU ILE GLU LEU SEQRES 15 A 496 ASN VAL LEU GLU GLN VAL HIS ASN VAL CYS ALA THR SER SEQRES 16 A 496 ILE VAL GLN ASP ALA TRP ASP ALA GLY GLN GLU LEU THR SEQRES 17 A 496 VAL GLN GLY VAL VAL TYR GLY VAL GLY ASP GLY LYS LEU SEQRES 18 A 496 ARG ASP LEU GLY VAL VAL VAL ASN SER SER ASP ASP ILE SEQRES 19 A 496 SER LYS PHE TYR ARG THR LYS SER ASP SER GLY ALA LEU SEQRES 20 A 496 LYS ALA GLY ASN PRO ASN ALA PRO LEU VAL GLN VAL THR SEQRES 21 A 496 LYS GLY GLY GLU SER GLU LEU ASP SER THR MET GLU LYS SEQRES 22 A 496 LEU THR ALA GLU LEU VAL GLN GLN THR PRO GLY LYS LEU SEQRES 23 A 496 LYS GLU GLY ALA ASN ARG VAL PHE VAL ASN ASN GLU ASN SEQRES 24 A 496 TRP ARG GLN LYS MET LEU LYS GLN ASP PRO GLN PHE PHE SEQRES 25 A 496 SER ASN LEU ALA HIS THR GLN THR PRO GLU ILE LEU TRP SEQRES 26 A 496 ILE GLY CYS ALA ASP SER ARG VAL PRO ALA ASN GLN ILE SEQRES 27 A 496 ILE ASN LEU PRO ALA GLY GLU VAL PHE VAL HIS ARG ASN SEQRES 28 A 496 ILE ALA ASN GLN CYS ILE HIS SER ASP MET SER PHE LEU SEQRES 29 A 496 SER VAL LEU GLN TYR ALA VAL GLN TYR LEU LYS VAL LYS SEQRES 30 A 496 ARG VAL VAL VAL CYS GLY HIS TYR ALA CYS GLY GLY CYS SEQRES 31 A 496 ALA ALA ALA LEU GLY ASP SER ARG LEU GLY LEU ILE ASP SEQRES 32 A 496 ASN TRP LEU ARG HIS ILE ARG ASP VAL ARG ARG HIS ASN SEQRES 33 A 496 GLN ALA GLU LEU SER ARG ILE THR ASP PRO LYS ASP SER SEQRES 34 A 496 LEU ASN ARG LEU ILE GLU ILE ASN VAL LEU GLU GLN MET SEQRES 35 A 496 HIS ASN VAL CYS ALA THR SER ILE VAL GLN ASP ALA TRP SEQRES 36 A 496 ASP ALA GLY GLN GLU LEU GLU VAL GLN GLY VAL VAL TYR SEQRES 37 A 496 GLY VAL GLY ASP GLY LYS LEU ARG ASP MET GLY VAL VAL SEQRES 38 A 496 ALA LYS ALA ASN ASP ASP ILE GLY GLN ILE PHE ARG THR SEQRES 39 A 496 LYS GLN SEQRES 1 B 496 VAL LYS LEU ALA ALA GLY MET GLY VAL MET SER ASP LEU SEQRES 2 B 496 GLU LYS LYS PHE ILE GLU LEU GLU ALA LYS LEU VAL ALA SEQRES 3 B 496 GLN PRO ALA GLY GLN ALA MET PRO GLY LYS SER ASN ILE SEQRES 4 B 496 PHE ALA ASN ASN GLU ALA TRP ARG GLN GLU MET LEU LYS SEQRES 5 B 496 GLN ASP PRO GLU PHE PHE ASN ARG LEU ALA ASN GLY GLN SEQRES 6 B 496 SER PRO GLU TYR LEU TRP ILE GLY CYS ALA ASP SER ARG SEQRES 7 B 496 VAL PRO ALA ASN GLN LEU LEU ASP LEU PRO ALA GLY GLU SEQRES 8 B 496 VAL PHE VAL HIS ARG ASN ILE ALA ASN GLN CYS ILE HIS SEQRES 9 B 496 SER ASP ILE SER PHE LEU SER VAL LEU GLN TYR ALA VAL SEQRES 10 B 496 GLN TYR LEU LYS VAL LYS HIS ILE LEU VAL CYS GLY HIS SEQRES 11 B 496 TYR GLY CYS GLY GLY ALA LYS ALA ALA LEU GLY ASP SER SEQRES 12 B 496 ARG LEU GLY LEU ILE ASP ASN TRP LEU ARG HIS ILE ARG SEQRES 13 B 496 ASP VAL ARG ARG MET ASN ALA LYS TYR LEU ASP LYS CYS SEQRES 14 B 496 LYS ASP GLY ASP GLU GLU LEU ASN ARG LEU ILE GLU LEU SEQRES 15 B 496 ASN VAL LEU GLU GLN VAL HIS ASN VAL CYS ALA THR SER SEQRES 16 B 496 ILE VAL GLN ASP ALA TRP ASP ALA GLY GLN GLU LEU THR SEQRES 17 B 496 VAL GLN GLY VAL VAL TYR GLY VAL GLY ASP GLY LYS LEU SEQRES 18 B 496 ARG ASP LEU GLY VAL VAL VAL ASN SER SER ASP ASP ILE SEQRES 19 B 496 SER LYS PHE TYR ARG THR LYS SER ASP SER GLY ALA LEU SEQRES 20 B 496 LYS ALA GLY ASN PRO ASN ALA PRO LEU VAL GLN VAL THR SEQRES 21 B 496 LYS GLY GLY GLU SER GLU LEU ASP SER THR MET GLU LYS SEQRES 22 B 496 LEU THR ALA GLU LEU VAL GLN GLN THR PRO GLY LYS LEU SEQRES 23 B 496 LYS GLU GLY ALA ASN ARG VAL PHE VAL ASN ASN GLU ASN SEQRES 24 B 496 TRP ARG GLN LYS MET LEU LYS GLN ASP PRO GLN PHE PHE SEQRES 25 B 496 SER ASN LEU ALA HIS THR GLN THR PRO GLU ILE LEU TRP SEQRES 26 B 496 ILE GLY CYS ALA ASP SER ARG VAL PRO ALA ASN GLN ILE SEQRES 27 B 496 ILE ASN LEU PRO ALA GLY GLU VAL PHE VAL HIS ARG ASN SEQRES 28 B 496 ILE ALA ASN GLN CYS ILE HIS SER ASP MET SER PHE LEU SEQRES 29 B 496 SER VAL LEU GLN TYR ALA VAL GLN TYR LEU LYS VAL LYS SEQRES 30 B 496 ARG VAL VAL VAL CYS GLY HIS TYR ALA CYS GLY GLY CYS SEQRES 31 B 496 ALA ALA ALA LEU GLY ASP SER ARG LEU GLY LEU ILE ASP SEQRES 32 B 496 ASN TRP LEU ARG HIS ILE ARG ASP VAL ARG ARG HIS ASN SEQRES 33 B 496 GLN ALA GLU LEU SER ARG ILE THR ASP PRO LYS ASP SER SEQRES 34 B 496 LEU ASN ARG LEU ILE GLU ILE ASN VAL LEU GLU GLN MET SEQRES 35 B 496 HIS ASN VAL CYS ALA THR SER ILE VAL GLN ASP ALA TRP SEQRES 36 B 496 ASP ALA GLY GLN GLU LEU GLU VAL GLN GLY VAL VAL TYR SEQRES 37 B 496 GLY VAL GLY ASP GLY LYS LEU ARG ASP MET GLY VAL VAL SEQRES 38 B 496 ALA LYS ALA ASN ASP ASP ILE GLY GLN ILE PHE ARG THR SEQRES 39 B 496 LYS GLN HET ZN A 1 1 HET ZN A 2 1 HET ZN B 3 1 HET ZN B 4 1 HETNAM ZN ZINC ION FORMUL 3 ZN 4(ZN 2+) FORMUL 7 HOH *612(H2 O) HELIX 1 1 SER A 86 ALA A 101 1 16 HELIX 2 2 SER A 112 ASP A 129 1 18 HELIX 3 3 GLU A 131 ASN A 138 1 8 HELIX 4 4 PRO A 155 LEU A 160 1 6 HELIX 5 5 ILE A 173 GLN A 176 5 4 HELIX 6 6 ASP A 181 TYR A 194 1 14 HELIX 7 7 CYS A 208 ASP A 217 1 10 HELIX 8 8 GLY A 221 ASN A 237 1 17 HELIX 9 9 ASN A 237 ASP A 242 1 6 HELIX 10 10 ASP A 246 THR A 269 1 24 HELIX 11 11 THR A 269 ALA A 278 1 10 HELIX 12 12 ILE A 309 TYR A 313 5 5 HELIX 13 13 SER A 340 GLN A 355 1 16 HELIX 14 14 ASN A 366 ASP A 383 1 18 HELIX 15 15 GLN A 385 ALA A 391 1 7 HELIX 16 16 PRO A 409 ILE A 414 1 6 HELIX 17 17 ASP A 435 TYR A 448 1 14 HELIX 18 18 CYS A 462 ALA A 468 1 7 HELIX 19 19 LEU A 476 LEU A 481 1 6 HELIX 20 20 LEU A 481 HIS A 490 1 10 HELIX 21 21 ASN A 491 SER A 496 1 6 HELIX 22 22 ASP A 500 THR A 523 1 24 HELIX 23 23 THR A 523 ALA A 532 1 10 HELIX 24 24 SER B 86 ALA B 101 1 16 HELIX 25 25 SER B 112 ASP B 129 1 18 HELIX 26 26 GLU B 131 ASN B 138 1 8 HELIX 27 27 PRO B 155 LEU B 160 1 6 HELIX 28 28 ILE B 173 GLN B 176 5 4 HELIX 29 29 ASP B 181 TYR B 194 1 14 HELIX 30 30 CYS B 208 ASP B 217 1 10 HELIX 31 31 GLY B 221 ASN B 237 1 17 HELIX 32 32 ASN B 237 ASP B 242 1 6 HELIX 33 33 ASP B 246 THR B 269 1 24 HELIX 34 34 THR B 269 ALA B 278 1 10 HELIX 35 35 ILE B 309 TYR B 313 5 5 HELIX 36 36 SER B 340 GLN B 355 1 16 HELIX 37 37 ASN B 366 ASP B 383 1 18 HELIX 38 38 GLN B 385 ALA B 391 1 7 HELIX 39 39 PRO B 409 ILE B 414 1 6 HELIX 40 40 ASP B 435 TYR B 448 1 14 HELIX 41 41 CYS B 462 LEU B 469 1 8 HELIX 42 42 LEU B 476 LEU B 481 1 6 HELIX 43 43 LEU B 481 HIS B 490 1 10 HELIX 44 44 ASN B 491 SER B 496 1 6 HELIX 45 45 ASP B 500 THR B 523 1 24 HELIX 46 46 THR B 523 ASP B 531 1 9 SHEET 1 A 5 VAL A 167 ASN A 172 0 SHEET 2 A 5 TYR A 144 CYS A 149 1 O TYR A 144 N PHE A 168 SHEET 3 A 5 HIS A 199 HIS A 205 1 O HIS A 199 N LEU A 145 SHEET 4 A 5 THR A 283 TYR A 289 1 O THR A 283 N ILE A 200 SHEET 5 A 5 ARG A 297 VAL A 302 -1 N ARG A 297 O VAL A 288 SHEET 1 B 5 VAL A 421 ASN A 426 0 SHEET 2 B 5 ILE A 398 CYS A 403 1 O ILE A 398 N PHE A 422 SHEET 3 B 5 ARG A 453 HIS A 459 1 O ARG A 453 N LEU A 399 SHEET 4 B 5 GLU A 537 TYR A 543 1 O GLU A 537 N VAL A 454 SHEET 5 B 5 ARG A 551 VAL A 556 -1 N ARG A 551 O VAL A 542 SHEET 1 C 5 VAL B 167 ASN B 172 0 SHEET 2 C 5 TYR B 144 CYS B 149 1 O TYR B 144 N PHE B 168 SHEET 3 C 5 HIS B 199 HIS B 205 1 O HIS B 199 N LEU B 145 SHEET 4 C 5 THR B 283 TYR B 289 1 O THR B 283 N ILE B 200 SHEET 5 C 5 ARG B 297 VAL B 302 -1 N ARG B 297 O VAL B 288 SHEET 1 D 5 VAL B 421 ASN B 426 0 SHEET 2 D 5 ILE B 398 CYS B 403 1 O ILE B 398 N PHE B 422 SHEET 3 D 5 ARG B 453 HIS B 459 1 O ARG B 453 N LEU B 399 SHEET 4 D 5 GLU B 537 TYR B 543 1 O GLU B 537 N VAL B 454 SHEET 5 D 5 ARG B 551 VAL B 556 -1 N ARG B 551 O VAL B 542 LINK ZN ZN A 1 SG CYS A 149 1555 1555 2.40 LINK ZN ZN A 1 OD2 ASP A 151 1555 1555 1.88 LINK ZN ZN A 1 NE2 HIS A 205 1555 1555 2.05 LINK ZN ZN A 1 SG CYS A 208 1555 1555 2.32 LINK ZN ZN A 2 SG CYS A 403 1555 1555 2.32 LINK ZN ZN A 2 OD2 ASP A 405 1555 1555 1.82 LINK ZN ZN A 2 NE2 HIS A 459 1555 1555 2.01 LINK ZN ZN A 2 SG CYS A 462 1555 1555 2.29 LINK ZN ZN B 3 SG CYS B 149 1555 1555 2.27 LINK ZN ZN B 3 OD2 ASP B 151 1555 1555 1.92 LINK ZN ZN B 3 NE2 HIS B 205 1555 1555 1.91 LINK ZN ZN B 3 SG CYS B 208 1555 1555 2.35 LINK ZN ZN B 4 SG CYS B 403 1555 1555 2.30 LINK ZN ZN B 4 OD2 ASP B 405 1555 1555 1.87 LINK ZN ZN B 4 NE2 HIS B 459 1555 1555 1.92 LINK ZN ZN B 4 SG CYS B 462 1555 1555 2.34 SITE 1 AC1 5 CYS A 149 ASP A 151 HIS A 205 CYS A 208 SITE 2 AC1 5 GLY A 209 SITE 1 AC2 4 CYS A 403 ASP A 405 HIS A 459 CYS A 462 SITE 1 AC3 4 CYS B 149 ASP B 151 HIS B 205 CYS B 208 SITE 1 AC4 4 CYS B 403 ASP B 405 HIS B 459 CYS B 462 CRYST1 63.500 112.800 73.200 90.00 103.60 90.00 P 1 21 1 4 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 0.015748 0.000000 0.003810 0.00000 SCALE2 0.000000 0.008865 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014055 0.00000