HEADER HYDROLASE 28-AUG-20 7CWG TITLE CRYSTAL STRUCTURE OF PDE8A CATALYTIC DOMAIN IN COMPLEX WITH 3A 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; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 KEYWDS CAMP-SPECIFIC, HYDROLASE, SELECTIVE PDE8A INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR Y.HUANG,X.-N.WU,Q.ZHOU,Y.WU,H.-B.LUO REVDAT 3 29-NOV-23 7CWG 1 REMARK REVDAT 2 16-MAR-22 7CWG 1 JRNL REVDAT 1 01-SEP-21 7CWG 0 JRNL AUTH Y.HUANG,X.N.WU,Q.ZHOU,Y.WU,D.ZHENG,Z.LI,L.GUO,H.B.LUO JRNL TITL RATIONAL DESIGN OF 2-CHLOROADENINE DERIVATIVES AS HIGHLY JRNL TITL 2 SELECTIVE PHOSPHODIESTERASE 8A INHIBITORS. JRNL REF J.MED.CHEM. V. 63 15852 2020 JRNL REFN ISSN 0022-2623 JRNL PMID 33291877 JRNL DOI 10.1021/ACS.JMEDCHEM.0C01573 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 6.5.0 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.35 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 12213 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.277 REMARK 3 R VALUE (WORKING SET) : 0.275 REMARK 3 FREE R VALUE : 0.317 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 600 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2693 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 26 REMARK 3 SOLVENT ATOMS : 61 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 41.42 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.13000 REMARK 3 B22 (A**2) : 0.06000 REMARK 3 B33 (A**2) : 0.07000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 1.250 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.431 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.412 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 20.347 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 7CWG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 01-SEP-20. REMARK 100 THE DEPOSITION ID IS D_1300018324. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-AUG-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 : 20210 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 22.350 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 9.300 REMARK 200 R MERGE (I) : 0.15700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.04 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 10.80 REMARK 200 R MERGE FOR SHELL (I) : 0.22400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 10.85 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 6.5.0 REMARK 200 STARTING MODEL: 3ECM REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 62.01 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM CACODYLATE SODIUM PH 6.5, 15% REMARK 280 ISOPROPANOL, 30% ETHYLENE GLYCOL, 11% PEG3350, 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 50.66750 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 50.66750 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 37.89850 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 65.91600 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 37.89850 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 65.91600 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 50.66750 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 37.89850 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 65.91600 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 50.66750 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 37.89850 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 65.91600 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: 90 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15360 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -33.0 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 ASP A 482 CG OD1 OD2 REMARK 470 GLU A 493 CG CD OE1 OE2 REMARK 470 GLU A 535 CG CD OE1 OE2 REMARK 470 LYS A 574 CG CD CE NZ REMARK 470 ARG A 651 CG CD NE CZ NH1 NH2 REMARK 470 LEU A 691 CG CD1 CD2 REMARK 470 GLU A 693 CG CD OE1 OE2 REMARK 470 GLU A 696 CG CD OE1 OE2 REMARK 470 ASP A 698 CG OD1 OD2 REMARK 470 LYS A 699 CG CD CE NZ REMARK 470 GLN A 701 CG CD OE1 NE2 REMARK 470 GLU A 712 CG CD OE1 OE2 REMARK 470 MET A 819 CG SD CE 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 MET A 492 42.19 -103.07 REMARK 500 HIS A 510 60.11 60.17 REMARK 500 TYR A 555 -61.31 -90.32 REMARK 500 ASN A 644 92.80 -67.80 REMARK 500 LYS A 672 30.05 -99.39 REMARK 500 GLU A 696 54.08 -163.57 REMARK 500 ASP A 798 94.60 68.38 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 A1060 DISTANCE = 6.19 ANGSTROMS REMARK 525 HOH A1061 DISTANCE = 8.26 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 596 NE2 REMARK 620 2 ASP A 597 OD2 73.2 REMARK 620 3 ASP A 726 OD1 73.0 145.3 REMARK 620 4 HOH A1025 O 108.6 105.9 92.1 REMARK 620 N 1 2 3 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 A1001 O 73.9 REMARK 620 3 HOH A1025 O 84.7 77.3 REMARK 620 4 HOH A1040 O 104.0 147.2 69.9 REMARK 620 N 1 2 3 DBREF 7CWG 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 GJU A 903 24 HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION HETNAM GJU 9-[(1~{S})-1-[4-[2,2-BIS(FLUORANYL)ETHOXY]PYRIDIN-2- HETNAM 2 GJU YL]ETHYL]-2-CHLORANYL-PURIN-6-AMINE FORMUL 2 ZN ZN 2+ FORMUL 3 MG MG 2+ FORMUL 4 GJU C14 H13 CL F2 N6 O FORMUL 5 HOH *61(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 LYS A 574 1 18 HELIX 7 AA7 LYS A 574 LEU A 581 1 8 HELIX 8 AA8 ASP A 582 HIS A 596 1 15 HELIX 9 AA9 THR A 604 ALA A 611 1 8 HELIX 10 AB1 SER A 613 TYR A 619 1 7 HELIX 11 AB2 ALA A 623 ASP A 640 1 18 HELIX 12 AB3 GLU A 650 ALA A 667 1 18 HELIX 13 AB4 LYS A 672 ILE A 684 1 13 HELIX 14 AB5 ILE A 684 GLY A 695 1 12 HELIX 15 AB6 THR A 697 ARG A 709 1 13 HELIX 16 AB7 THR A 710 VAL A 727 1 18 HELIX 17 AB8 SER A 728 ARG A 732 5 5 HELIX 18 AB9 PRO A 733 GLY A 759 1 27 HELIX 19 AC1 SER A 773 PHE A 785 1 13 HELIX 20 AC2 PHE A 785 ASP A 798 1 14 HELIX 21 AC3 LEU A 799 LEU A 816 1 18 SSBOND 1 CYS A 528 CYS A 533 1555 1555 2.05 LINK NE2 HIS A 596 ZN ZN A 901 1555 1555 2.59 LINK OD2 ASP A 597 ZN ZN A 901 1555 1555 1.95 LINK OD1 ASP A 597 MG MG A 902 1555 1555 2.38 LINK OD1 ASP A 726 ZN ZN A 901 1555 1555 2.12 LINK ZN ZN A 901 O HOH A1025 1555 1555 2.41 LINK MG MG A 902 O HOH A1001 1555 1555 2.79 LINK MG MG A 902 O HOH A1025 1555 1555 2.02 LINK MG MG A 902 O HOH A1040 1555 1555 2.54 CRYST1 75.797 131.832 101.335 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 0.013193 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007585 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009868 0.00000