PDB Short entry for 3ECM HEADER HYDROLASE 01-SEP-08 3ECM TITLE CRYSTAL STRUCTURE OF THE UNLIGANDED PDE8A CATALYTIC DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: HIGH AFFINITY CAMP-SPECIFIC AND IBMX-INSENSITIVE COMPND 3 3',5'-CYCLIC PHOSPHODIESTERASE 8A; COMPND 4 CHAIN: A; COMPND 5 FRAGMENT: THE CATALYTIC DOMAIN OF PDE8A1 (UNP RESIDUES 482- COMPND 6 819); 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: PDE8A; 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: PET15B KEYWDS PHOSPHODIESTERASE 8A PDE8A INHIBITOR SELECTIVITY, KEYWDS 2 ALTERNATIVE SPLICING, CAMP, HYDROLASE, MAGNESIUM, MANGANESE, KEYWDS 3 METAL-BINDING EXPDTA X-RAY DIFFRACTION AUTHOR H.WANG,Z.YAN,S.YANG,J.CAI,H.ROBINSON,H.KE REVDAT 3 17-MAR-09 3ECM 1 JRNL REVDAT 2 24-FEB-09 3ECM 1 VERSN REVDAT 1 25-NOV-08 3ECM 0 JRNL AUTH H.WANG,Z.YAN,S.YANG,J.CAI,H.ROBINSON,H.KE JRNL TITL KINETIC AND STRUCTURAL STUDIES OF JRNL TITL 2 PHOSPHODIESTERASE-8A AND IMPLICATION ON THE JRNL TITL 3 INHIBITOR SELECTIVITY JRNL REF BIOCHEMISTRY V. 47 12760 2008 JRNL REFN ISSN 0006-2960 JRNL PMID 18983167 JRNL DOI 10.1021/BI801487X REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS1.2 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) : 1.90 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 : 35445 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) : 0.236 REMARK 3 FREE R VALUE : 0.265 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 3532 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 : 2744 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 68 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 47.80 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) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.10 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) : 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 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3ECM COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-SEP-08. REMARK 100 THE RCSB ID CODE IS RCSB049154. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-JUN-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 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 : 36345 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 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 (%) : 89.0 REMARK 200 DATA REDUNDANCY : 7.400 REMARK 200 R MERGE (I) : 0.05400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 45.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.26000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.800 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: PDE4D2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 62.55 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.28 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: WELL BUFFER OF 100 MM NA REMARK 280 CACODYLATE, PH 6.5, 15% ISOPROPANOL, 30% ETHYLENE GLYCOL, 10% REMARK 280 PEG3350 AT 4OC, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 50.75850 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 50.75850 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 38.13050 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 66.33050 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 38.13050 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 66.33050 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 50.75850 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 38.13050 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 66.33050 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 50.75850 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 38.13050 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 66.33050 REMARK 290 SMTRY3 8 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 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 ASP A 483 79.82 -67.61 REMARK 500 ASN A 494 55.67 -103.83 REMARK 500 HIS A 596 -17.42 -48.58 REMARK 500 ALA A 623 46.04 38.97 REMARK 500 ASN A 644 92.96 -65.49 REMARK 500 ASN A 648 35.87 -92.33 REMARK 500 GLU A 692 12.25 -69.38 REMARK 500 MET A 764 66.75 -115.42 REMARK 500 THR A 771 -15.70 -146.32 REMARK 500 ASP A 798 90.58 76.06 REMARK 500 GLU A 818 28.99 38.66 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 560 NE2 REMARK 620 2 HIS A 596 NE2 98.6 REMARK 620 3 ASP A 597 OD2 94.6 85.4 REMARK 620 4 ASP A 726 OD1 92.7 92.5 172.6 REMARK 620 5 HOH A 820 O 154.2 107.1 89.5 84.4 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 2 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 597 OD1 REMARK 620 2 HOH A 825 O 172.7 REMARK 620 3 HOH A 824 O 85.3 92.4 REMARK 620 4 HOH A 822 O 98.9 88.2 96.1 REMARK 620 5 HOH A 820 O 95.7 88.6 162.3 66.2 REMARK 620 6 HOH A 823 O 81.2 92.5 101.0 162.8 96.6 REMARK 620 N 1 2 3 4 5 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 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 2 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3ECN RELATED DB: PDB DBREF 3ECM A 482 819 UNP O60658 PDE8A_HUMAN 482 819 SEQRES 1 A 338 ASP ASP VAL PRO PRO ARG ILE ALA ARG ALA MET GLU ASN SEQRES 2 A 338 GLU GLU TYR TRP ASP PHE ASP ILE PHE GLU LEU GLU ALA SEQRES 3 A 338 ALA THR HIS ASN ARG PRO LEU ILE TYR LEU GLY LEU LYS SEQRES 4 A 338 MET PHE ALA ARG PHE GLY ILE CYS GLU PHE LEU HIS CYS SEQRES 5 A 338 SER GLU SER THR LEU ARG SER TRP LEU GLN ILE ILE GLU SEQRES 6 A 338 ALA ASN TYR HIS SER SER ASN PRO TYR HIS ASN SER THR SEQRES 7 A 338 HIS SER ALA ASP VAL LEU HIS ALA THR ALA TYR PHE LEU SEQRES 8 A 338 SER LYS GLU ARG ILE LYS GLU THR LEU ASP PRO ILE ASP SEQRES 9 A 338 GLU VAL ALA ALA LEU ILE ALA ALA THR ILE HIS ASP VAL SEQRES 10 A 338 ASP HIS PRO GLY ARG THR ASN SER PHE LEU CYS ASN ALA SEQRES 11 A 338 GLY SER GLU LEU ALA ILE LEU TYR ASN ASP THR ALA VAL SEQRES 12 A 338 LEU GLU SER HIS HIS ALA ALA LEU ALA PHE GLN LEU THR SEQRES 13 A 338 THR GLY ASP ASP LYS CYS ASN ILE PHE LYS ASN MET GLU SEQRES 14 A 338 ARG ASN ASP TYR ARG THR LEU ARG GLN GLY ILE ILE ASP SEQRES 15 A 338 MET VAL LEU ALA THR GLU MET THR LYS HIS PHE GLU HIS SEQRES 16 A 338 VAL ASN LYS PHE VAL ASN SER ILE ASN LYS PRO LEU ALA SEQRES 17 A 338 THR LEU GLU GLU ASN GLY GLU THR ASP LYS ASN GLN GLU SEQRES 18 A 338 VAL ILE ASN THR MET LEU ARG THR PRO GLU ASN ARG THR SEQRES 19 A 338 LEU ILE LYS ARG MET LEU ILE LYS CYS ALA ASP VAL SER SEQRES 20 A 338 ASN PRO CYS ARG PRO LEU GLN TYR CYS ILE GLU TRP ALA SEQRES 21 A 338 ALA ARG ILE SER GLU GLU TYR PHE SER GLN THR ASP GLU SEQRES 22 A 338 GLU LYS GLN GLN GLY LEU PRO VAL VAL MET PRO VAL PHE SEQRES 23 A 338 ASP ARG ASN THR CYS SER ILE PRO LYS SER GLN ILE SER SEQRES 24 A 338 PHE ILE ASP TYR PHE ILE THR ASP MET PHE ASP ALA TRP SEQRES 25 A 338 ASP ALA PHE VAL ASP LEU PRO ASP LEU MET GLN HIS LEU SEQRES 26 A 338 ASP ASN ASN PHE LYS TYR TRP LYS GLY LEU ASP GLU MET HET ZN A 1 1 HET MG A 2 1 HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION FORMUL 2 ZN ZN 2+ FORMUL 3 MG MG 2+ FORMUL 4 HOH *68(H2 O) HELIX 1 1 PRO A 485 MET A 492 1 8 HELIX 2 2 ASP A 501 THR A 509 1 9 HELIX 3 3 ARG A 512 PHE A 525 1 14 HELIX 4 4 ILE A 527 HIS A 532 1 6 HELIX 5 5 SER A 534 ASN A 548 1 15 HELIX 6 6 ASN A 557 SER A 573 1 17 HELIX 7 7 LYS A 574 GLU A 579 1 6 HELIX 8 8 ASP A 582 HIS A 596 1 15 HELIX 9 9 THR A 604 ALA A 611 1 8 HELIX 10 10 SER A 613 TYR A 619 1 7 HELIX 11 11 ALA A 623 GLY A 639 1 17 HELIX 12 12 GLU A 650 ALA A 667 1 18 HELIX 13 13 THR A 668 THR A 671 5 4 HELIX 14 14 LYS A 672 ILE A 684 1 13 HELIX 15 15 ILE A 684 GLU A 692 1 9 HELIX 16 16 THR A 697 ARG A 709 1 13 HELIX 17 17 THR A 710 VAL A 727 1 18 HELIX 18 18 SER A 728 ARG A 732 5 5 HELIX 19 19 PRO A 733 GLY A 759 1 27 HELIX 20 20 SER A 773 PHE A 785 1 13 HELIX 21 21 PHE A 785 ASP A 798 1 14 HELIX 22 22 LEU A 799 GLY A 815 1 17 SSBOND 1 CYS A 528 CYS A 533 1555 1555 2.04 LINK NE2 HIS A 560 ZN ZN A 1 1555 1555 2.25 LINK NE2 HIS A 596 ZN ZN A 1 1555 1555 2.36 LINK OD1 ASP A 597 MG MG A 2 1555 1555 2.23 LINK OD2 ASP A 597 ZN ZN A 1 1555 1555 2.18 LINK OD1 ASP A 726 ZN ZN A 1 1555 1555 2.16 LINK ZN ZN A 1 O HOH A 820 1555 1555 2.32 LINK MG MG A 2 O HOH A 825 1555 1555 2.21 LINK MG MG A 2 O HOH A 824 1555 1555 2.24 LINK MG MG A 2 O HOH A 822 1555 1555 2.37 LINK MG MG A 2 O HOH A 820 1555 1555 2.31 LINK MG MG A 2 O HOH A 823 1555 1555 2.34 SITE 1 AC1 6 HIS A 560 HIS A 596 ASP A 597 ASP A 726 SITE 2 AC1 6 HOH A 820 HOH A 821 SITE 1 AC2 6 ASP A 597 HOH A 820 HOH A 822 HOH A 823 SITE 2 AC2 6 HOH A 824 HOH A 825 CRYST1 76.261 132.661 101.517 90.00 90.00 90.00 C 2 2 21 8 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 0.013113 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007538 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009851 0.00000