HEADER HYDROLASE 02-FEB-09 3G3N TITLE PDE7A CATALYTIC DOMAIN IN COMPLEX WITH 3-(2,6-DIFLUOROPHENYL)-2- TITLE 2 (METHYLTHIO)QUINAZOLIN-4(3H)-ONE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HIGH AFFINITY CAMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE COMPND 3 7A; COMPND 4 CHAIN: A; COMPND 5 FRAGMENT: CATALYTIC DOMAIN RESIDUES 139-456; COMPND 6 SYNONYM: HCP1, TM22; COMPND 7 EC: 3.1.4.17; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: PDE7A, PDE7A1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET32 KEYWDS PDE7, CRYSTAL, INHIBITOR COMPLEX, ALTERNATIVE SPLICING, CAMP, KEYWDS 2 HYDROLASE, PHOSPHOPROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR T.CASTANO,H.WANG REVDAT 3 21-FEB-24 3G3N 1 REMARK LINK REVDAT 2 26-MAY-09 3G3N 1 JRNL REVDAT 1 28-APR-09 3G3N 0 JRNL AUTH T.CASTANO,H.WANG,N.E.CAMPILLO,S.BALLESTER,C.GONZALEZ-GARCIA, JRNL AUTH 2 J.HERNANDEZ,C.PEREZ,J.CUENCA,A.PEREZ-CASTILLO,A.MARTINEZ, JRNL AUTH 3 O.HUERTAS,J.L.GELPI,F.J.LUQUE,H.KE,C.GIL JRNL TITL SYNTHESIS, STRUCTURAL ANALYSIS, AND BIOLOGICAL EVALUATION OF JRNL TITL 2 THIOXOQUINAZOLINE DERIVATIVES AS PHOSPHODIESTERASE 7 JRNL TITL 3 INHIBITORS JRNL REF CHEMMEDCHEM V. 4 866 2009 JRNL REFN ISSN 1860-7179 JRNL PMID 19350606 JRNL DOI 10.1002/CMDC.200900043 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 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 : 18071 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) : 0.210 REMARK 3 FREE R VALUE : 0.245 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1780 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 : 2596 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 23 REMARK 3 SOLVENT ATOMS : 0 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) : 4.40600 REMARK 3 B22 (A**2) : 4.40600 REMARK 3 B33 (A**2) : -8.81100 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.187 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.915 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.035 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.953 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 4 : TC243.PARAM REMARK 3 PARAMETER FILE 5 : ION.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3G3N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-FEB-09. REMARK 100 THE DEPOSITION ID IS D_1000051381. 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 : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X29A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18071 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.1 REMARK 200 DATA REDUNDANCY : 19.50 REMARK 200 R MERGE (I) : 0.10200 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) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.49 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.28000 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THE PROTEIN DROPS CONTAIN 2 UL PDE7A1 REMARK 280 -IBMX AND 2 UL WELL BUFFER OF BUFFER 0.6 - 0.8 M (NH4)2SO4, 2.5 - REMARK 280 5 MM BETA-MERCAPTOETHANOL, 10 MM EDTA, 0.1 M TRIS HCL, PH 7.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K 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 21.46300 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 42.92600 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 42.92600 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 21.46300 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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: 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 236 -22.32 -144.46 REMARK 500 LEU A 401 -6.91 77.16 REMARK 500 LEU A 454 43.06 -72.51 REMARK 500 GLN A 455 -101.28 -142.64 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 HIS A 216 NE2 REMARK 620 2 HIS A 252 NE2 85.3 REMARK 620 3 ASP A 253 OD2 79.4 80.5 REMARK 620 4 ASP A 362 OD1 88.6 80.5 158.3 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 TC8 A 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 2 DBREF 3G3N A 139 456 UNP Q13946 PDE7A_HUMAN 139 456 SEQRES 1 A 318 ASP TYR ASN GLY GLN ALA LYS CYS MET LEU GLU LYS VAL SEQRES 2 A 318 GLY ASN TRP ASN PHE ASP ILE PHE LEU PHE ASP ARG LEU SEQRES 3 A 318 THR ASN GLY ASN SER LEU VAL SER LEU THR PHE HIS LEU SEQRES 4 A 318 PHE SER LEU HIS GLY LEU ILE GLU TYR PHE HIS LEU ASP SEQRES 5 A 318 MET MET LYS LEU ARG ARG PHE LEU VAL MET ILE GLN GLU SEQRES 6 A 318 ASP TYR HIS SER GLN ASN PRO TYR HIS ASN ALA VAL HIS SEQRES 7 A 318 ALA ALA ASP VAL THR GLN ALA MET HIS CYS TYR LEU LYS SEQRES 8 A 318 GLU PRO LYS LEU ALA ASN SER VAL THR PRO TRP ASP ILE SEQRES 9 A 318 LEU LEU SER LEU ILE ALA ALA ALA THR HIS ASP LEU ASP SEQRES 10 A 318 HIS PRO GLY VAL ASN GLN PRO PHE LEU ILE LYS THR ASN SEQRES 11 A 318 HIS TYR LEU ALA THR LEU TYR LYS ASN THR SER VAL LEU SEQRES 12 A 318 GLU ASN HIS HIS TRP ARG SER ALA VAL GLY LEU LEU ARG SEQRES 13 A 318 GLU SER GLY LEU PHE SER HIS LEU PRO LEU GLU SER ARG SEQRES 14 A 318 GLN GLN MET GLU THR GLN ILE GLY ALA LEU ILE LEU ALA SEQRES 15 A 318 THR ASP ILE SER ARG GLN ASN GLU TYR LEU SER LEU PHE SEQRES 16 A 318 ARG SER HIS LEU ASP ARG GLY ASP LEU CYS LEU GLU ASP SEQRES 17 A 318 THR ARG HIS ARG HIS LEU VAL LEU GLN MET ALA LEU LYS SEQRES 18 A 318 CYS ALA ASP ILE CYS ASN PRO CYS ARG THR TRP GLU LEU SEQRES 19 A 318 SER LYS GLN TRP SER GLU LYS VAL THR GLU GLU PHE PHE SEQRES 20 A 318 HIS GLN GLY ASP ILE GLU LYS LYS TYR HIS LEU GLY VAL SEQRES 21 A 318 SER PRO LEU CYS ASP ARG HIS THR GLU SER ILE ALA ASN SEQRES 22 A 318 ILE GLN ILE GLY PHE MET THR TYR LEU VAL GLU PRO LEU SEQRES 23 A 318 PHE THR GLU TRP ALA ARG PHE SER ASN THR ARG LEU SER SEQRES 24 A 318 GLN THR MET LEU GLY HIS VAL GLY LEU ASN LYS ALA SER SEQRES 25 A 318 TRP LYS GLY LEU GLN ARG HET TC8 A 3 21 HET ZN A 1 1 HET MG A 2 1 HETNAM TC8 3-(2,6-DIFLUOROPHENYL)-2-(METHYLTHIO)QUINAZOLIN-4(3H)- HETNAM 2 TC8 ONE HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION HETSYN TC8 3-(2,6-DIFLUOROPHENYL)-2-(METHYLSULFANYL)QUINAZOLIN- HETSYN 2 TC8 4(3H)-ONE FORMUL 2 TC8 C15 H10 F2 N2 O S FORMUL 3 ZN ZN 2+ FORMUL 4 MG MG 2+ HELIX 1 1 ASP A 139 LEU A 148 1 10 HELIX 2 2 GLU A 149 VAL A 151 5 3 HELIX 3 3 ASP A 157 THR A 165 1 9 HELIX 4 4 ASN A 168 HIS A 181 1 14 HELIX 5 5 GLY A 182 PHE A 187 1 6 HELIX 6 6 ASP A 190 ASP A 204 1 15 HELIX 7 7 ASN A 213 LYS A 229 1 17 HELIX 8 8 GLU A 230 ASN A 235 1 6 HELIX 9 9 THR A 238 HIS A 252 1 15 HELIX 10 10 ASN A 260 THR A 267 1 8 HELIX 11 11 HIS A 269 TYR A 275 1 7 HELIX 12 12 SER A 279 GLY A 297 1 19 HELIX 13 13 PRO A 303 ALA A 320 1 18 HELIX 14 14 THR A 321 SER A 324 5 4 HELIX 15 15 ARG A 325 GLY A 340 1 16 HELIX 16 16 ASP A 346 ILE A 363 1 18 HELIX 17 17 CYS A 364 ARG A 368 5 5 HELIX 18 18 THR A 369 TYR A 394 1 26 HELIX 19 19 SER A 408 LEU A 420 1 13 HELIX 20 20 LEU A 420 SER A 432 1 13 HELIX 21 21 THR A 434 LEU A 454 1 21 LINK ZN ZN A 1 NE2 HIS A 216 1555 1555 2.39 LINK ZN ZN A 1 NE2 HIS A 252 1555 1555 2.28 LINK ZN ZN A 1 OD2 ASP A 253 1555 1555 2.13 LINK ZN ZN A 1 OD1 ASP A 362 1555 1555 2.15 LINK MG MG A 2 OD1 ASP A 253 1555 1555 2.43 SITE 1 AC1 7 ILE A 323 ILE A 363 PHE A 384 LYS A 393 SITE 2 AC1 7 TYR A 394 LEU A 401 PHE A 416 SITE 1 AC2 4 HIS A 216 HIS A 252 ASP A 253 ASP A 362 SITE 1 AC3 2 ASP A 253 GLU A 282 CRYST1 115.447 115.447 64.389 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 0.008662 0.005001 0.000000 0.00000 SCALE2 0.000000 0.010002 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015531 0.00000