HEADER HYDROLASE 31-OCT-21 7VTX TITLE CRYSTAL STRUCTURE OF PDE8A CATALYTIC DOMAIN IN COMPLEX WITH 22 COMPND MOL_ID: 1; COMPND 2 MOLECULE: HIGH AFFINITY CAMP-SPECIFIC AND IBMX-INSENSITIVE 3',5'- COMPND 3 CYCLIC PHOSPHODIESTERASE 8A; COMPND 4 CHAIN: A; COMPND 5 EC: 3.1.4.53; COMPND 6 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 BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693 KEYWDS CAMP-SPECIFIC, HYDROLASE, SELECTIVE PDE8A INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR X.-N.WU,Q.ZHOU,Y.-D.HUANG,Z.LI,Y.WU,H.-B.LUO REVDAT 2 29-NOV-23 7VTX 1 REMARK REVDAT 1 02-NOV-22 7VTX 0 JRNL AUTH X.-N.WU,Q.ZHOU,Y.-D.HUANG,Z.LI,Y.WU,H.-B.LUO JRNL TITL STRUCTURE-BASED DISCOVERY OF ORALLY EFFICIENT PDE8 JRNL TITL 2 INHIBITORS FOR THE TREATMENT OF VASCULAR DEMENTIA JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10_2155 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.22 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.968 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 3 NUMBER OF REFLECTIONS : 17352 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.248 REMARK 3 R VALUE (WORKING SET) : 0.246 REMARK 3 FREE R VALUE : 0.277 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.054 REMARK 3 FREE R VALUE TEST SET COUNT : 877 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 5.2500 - 4.5347 0.87 2580 146 0.2354 0.2477 REMARK 3 2 4.5347 - 3.6031 0.94 2654 181 0.2316 0.2686 REMARK 3 3 3.6031 - 3.1488 0.98 2759 145 0.2484 0.2860 REMARK 3 4 3.1488 - 2.8614 0.99 2831 134 0.2631 0.2969 REMARK 3 5 2.8614 - 2.6566 1.00 2801 165 0.2707 0.3296 REMARK 3 6 2.6566 - 2.5001 1.00 2850 106 0.2852 0.3306 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.345 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.553 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 45.48 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 49.32 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.008 2850 REMARK 3 ANGLE : 1.123 3872 REMARK 3 CHIRALITY : 0.062 419 REMARK 3 PLANARITY : 0.004 535 REMARK 3 DIHEDRAL : 17.513 1069 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7VTX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 08-NOV-21. REMARK 100 THE DEPOSITION ID IS D_1300025309. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-NOV-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : SEALED TUBE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : OXFORD DIFFRACTION NOVA REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5406 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : OXFORD ONYX CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSALISPRO 38.41 REMARK 200 DATA SCALING SOFTWARE : CRYSALISPRO 38.41 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17373 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 24.220 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 200 DATA REDUNDANCY : 4.100 REMARK 200 R MERGE (I) : 0.10900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.2300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.59 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.38700 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: MOLREP 6.5.0 REMARK 200 STARTING MODEL: 3ECM REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 62.23 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM CACODYLATE SODIUM PH 6.5, 15% REMARK 280 ISOPROPANOL, 30% ETHYLENE GLYCOL, 11% PEG 3350, VAPOR DIFFUSION, REMARK 280 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 50.79600 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 50.79600 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 37.96800 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 66.00250 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 37.96800 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 66.00250 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 50.79600 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 37.96800 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 66.00250 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 50.79600 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 37.96800 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 66.00250 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 TOTAL BURIED SURFACE AREA: 240 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15550 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -49.0 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 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 GLU A 493 CG CD OE1 OE2 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 O HOH A 1046 O HOH A 1046 3554 1.95 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 ASN A 494 47.04 -107.61 REMARK 500 THR A 580 -52.53 -121.21 REMARK 500 ASP A 798 90.99 65.71 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A1067 DISTANCE = 6.16 ANGSTROMS 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 901 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 560 NE2 REMARK 620 2 HIS A 596 NE2 85.0 REMARK 620 3 ASP A 597 OD2 96.2 95.7 REMARK 620 4 ASP A 726 OD1 84.5 79.2 174.8 REMARK 620 5 HOH A1010 O 69.6 154.6 87.8 97.3 REMARK 620 6 HOH A1033 O 166.4 105.1 91.9 88.5 99.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 902 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 597 OD1 REMARK 620 2 HOH A1013 O 173.0 REMARK 620 3 HOH A1016 O 84.8 88.6 REMARK 620 4 HOH A1028 O 95.1 87.6 92.1 REMARK 620 5 HOH A1033 O 87.7 90.4 94.9 172.6 REMARK 620 6 HOH A1057 O 105.4 78.4 142.5 121.9 50.8 REMARK 620 N 1 2 3 4 5 DBREF 7VTX 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 901 1 HET MG A 902 1 HET 80D A 903 29 HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION HETNAM 80D 2-CHLORO-9-(3-(2,2-DIFLUOROETHOXY)-5-(PYRIDIN-4-YL) HETNAM 2 80D BENZYL)-9H-PURIN-6-AMINE FORMUL 2 ZN ZN 2+ FORMUL 3 MG MG 2+ FORMUL 4 80D C19 H15 CL F2 N6 O FORMUL 5 HOH *67(H2 O) HELIX 1 AA1 PRO A 485 MET A 492 1 8 HELIX 2 AA2 ASP A 501 HIS A 510 1 10 HELIX 3 AA3 ARG A 512 GLY A 526 1 15 HELIX 4 AA4 GLY A 526 HIS A 532 1 7 HELIX 5 AA5 SER A 534 ASN A 548 1 15 HELIX 6 AA6 ASN A 557 SER A 573 1 17 HELIX 7 AA7 LYS A 574 GLU A 579 1 6 HELIX 8 AA8 ASP A 582 HIS A 596 1 15 HELIX 9 AA9 THR A 604 GLY A 612 1 9 HELIX 10 AB1 SER A 613 TYR A 619 1 7 HELIX 11 AB2 ALA A 623 GLY A 639 1 17 HELIX 12 AB3 GLU A 650 ALA A 667 1 18 HELIX 13 AB4 THR A 668 THR A 671 5 4 HELIX 14 AB5 LYS A 672 ILE A 684 1 13 HELIX 15 AB6 ILE A 684 GLU A 693 1 10 HELIX 16 AB7 THR A 697 ARG A 709 1 13 HELIX 17 AB8 THR A 710 VAL A 727 1 18 HELIX 18 AB9 SER A 728 ARG A 732 5 5 HELIX 19 AC1 PRO A 733 GLY A 759 1 27 HELIX 20 AC2 SER A 773 PHE A 785 1 13 HELIX 21 AC3 PHE A 785 ASP A 798 1 14 HELIX 22 AC4 LEU A 799 LEU A 816 1 18 SSBOND 1 CYS A 528 CYS A 533 1555 1555 2.05 LINK NE2 HIS A 560 ZN ZN A 901 1555 1555 2.57 LINK NE2 HIS A 596 ZN ZN A 901 1555 1555 2.63 LINK OD2 ASP A 597 ZN ZN A 901 1555 1555 2.12 LINK OD1 ASP A 597 MG MG A 902 1555 1555 2.17 LINK OD1 ASP A 726 ZN ZN A 901 1555 1555 2.13 LINK ZN ZN A 901 O HOH A1010 1555 1555 2.16 LINK ZN ZN A 901 O HOH A1033 1555 1555 2.38 LINK MG MG A 902 O HOH A1013 1555 1555 2.11 LINK MG MG A 902 O HOH A1016 1555 1555 2.04 LINK MG MG A 902 O HOH A1028 1555 1555 2.07 LINK MG MG A 902 O HOH A1033 1555 1555 1.99 LINK MG MG A 902 O HOH A1057 1555 1555 2.95 CRYST1 75.936 132.005 101.592 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 0.013169 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007575 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009843 0.00000