HEADER HYDROLASE/INHIBITOR 07-JUL-21 7FAQ TITLE CRYSTAL STRUCTURE OF PDE5A IN COMPLEX WITH INHIBITOR L1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CGMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CGMP-BINDING CGMP-SPECIFIC PHOSPHODIESTERASE,CGB-PDE; COMPND 5 EC: 3.1.4.35; 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: PDE5A, PDE5; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 KEYWDS HYDROLASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR D.WU,Y.Y.HUANG,H.B.LUO REVDAT 2 29-NOV-23 7FAQ 1 REMARK REVDAT 1 18-MAY-22 7FAQ 0 JRNL AUTH D.WU,X.ZHENG,R.LIU,Z.LI,Z.JIANG,Q.ZHOU,Y.HUANG,X.N.WU, JRNL AUTH 2 C.ZHANG,Y.Y.HUANG,H.B.LUO JRNL TITL FREE ENERGY PERTURBATION (FEP)-GUIDED SCAFFOLD HOPPING. JRNL REF ACTA PHARM SIN B V. 12 1351 2022 JRNL REFN ISSN 2211-3835 JRNL PMID 35530128 JRNL DOI 10.1016/J.APSB.2021.09.027 REMARK 2 REMARK 2 RESOLUTION. 2.20 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.70 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.361 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 21755 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.228 REMARK 3 R VALUE (WORKING SET) : 0.225 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.052 REMARK 3 FREE R VALUE TEST SET COUNT : 1099 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 22.7021 - 4.3910 1.00 2758 123 0.1879 0.2233 REMARK 3 2 4.3910 - 3.4893 1.00 2624 124 0.1984 0.2477 REMARK 3 3 3.4893 - 3.0494 1.00 2557 159 0.2295 0.2911 REMARK 3 4 3.0494 - 2.7712 1.00 2565 134 0.2675 0.3455 REMARK 3 5 2.7712 - 2.5728 1.00 2528 163 0.2644 0.2956 REMARK 3 6 2.5728 - 2.4213 1.00 2553 134 0.2839 0.2843 REMARK 3 7 2.4213 - 2.3002 1.00 2533 125 0.3050 0.3282 REMARK 3 8 2.3002 - 2.2001 1.00 2538 137 0.3324 0.3661 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) : 0.305 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 29.697 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 42.95 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 49.92 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 : 0.009 2387 REMARK 3 ANGLE : 1.171 3224 REMARK 3 CHIRALITY : 0.047 364 REMARK 3 PLANARITY : 0.006 430 REMARK 3 DIHEDRAL : 15.534 1454 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 7FAQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 09-JUL-21. REMARK 100 THE DEPOSITION ID IS D_1300023182. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-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 : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54056 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : RIGAKU HYPIX-3000 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSALISPRO REMARK 200 DATA SCALING SOFTWARE : CRYSALISPRO REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21798 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 22.710 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 8.100 REMARK 200 R MERGE (I) : 0.05400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 33.0000 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 (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.70 REMARK 200 R MERGE FOR SHELL (I) : 0.57200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 4MD6 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.32 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M MAGNESIUM SULFATE, 0.1 M SODIUM REMARK 280 CACODYLATE, PH 6.5, 17% PEG3350, VAPOR DIFFUSION, HANGING DROP, REMARK 280 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 43.95167 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 87.90333 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 87.90333 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 43.95167 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: 320 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12800 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -52.0 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 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 SER A 527 REMARK 465 TYR A 528 REMARK 465 HIS A 529 REMARK 465 ALA A 530 REMARK 465 SER A 531 REMARK 465 ALA A 532 REMARK 465 ALA A 533 REMARK 465 GLU A 534 REMARK 465 GLU A 535 REMARK 465 GLU A 536 REMARK 465 SER A 663 REMARK 465 TYR A 664 REMARK 465 ILE A 665 REMARK 465 GLN A 666 REMARK 465 ARG A 667 REMARK 465 SER A 668 REMARK 465 GLU A 669 REMARK 465 HIS A 670 REMARK 465 PRO A 671 REMARK 465 LEU A 672 REMARK 465 ALA A 673 REMARK 465 GLN A 674 REMARK 465 LEU A 675 REMARK 465 TYR A 676 REMARK 465 CYS A 677 REMARK 465 HIS A 678 REMARK 465 ASP A 791 REMARK 465 ARG A 792 REMARK 465 GLU A 793 REMARK 465 ARG A 794 REMARK 465 LYS A 795 REMARK 465 GLU A 796 REMARK 465 LEU A 797 REMARK 465 ASN A 798 REMARK 465 ILE A 799 REMARK 465 GLU A 800 REMARK 465 PRO A 801 REMARK 465 THR A 802 REMARK 465 ASP A 803 REMARK 465 LEU A 804 REMARK 465 MET A 805 REMARK 465 ASN A 806 REMARK 465 ARG A 807 REMARK 465 GLU A 808 REMARK 465 LYS A 809 REMARK 465 LYS A 810 REMARK 465 GLN A 860 REMARK 465 GLU A 861 REMARK 465 LYS A 862 REMARK 465 MET A 863 REMARK 465 LEU A 864 REMARK 465 ILE A 865 REMARK 465 ASN A 866 REMARK 465 GLY A 867 REMARK 465 GLU A 868 REMARK 465 SER A 869 REMARK 465 GLY A 870 REMARK 465 GLN A 871 REMARK 465 ALA A 872 REMARK 465 LYS A 873 REMARK 465 ARG A 874 REMARK 465 ASN A 875 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O1 SO4 A 903 N7 2OI A 904 1.35 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 LYS A 630 -84.22 -78.56 REMARK 500 PHE A 787 -74.75 -81.20 REMARK 500 ASP A 788 22.84 -70.65 REMARK 500 GLN A 789 44.62 34.42 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 A1072 DISTANCE = 8.61 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 617 NE2 REMARK 620 2 HIS A 653 NE2 90.5 REMARK 620 3 ASP A 654 OD2 91.2 85.0 REMARK 620 4 ASP A 764 OD1 86.0 76.8 161.5 REMARK 620 5 SO4 A 903 O3 96.9 168.2 104.1 94.5 REMARK 620 N 1 2 3 4 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 654 OD1 REMARK 620 2 ASP A 654 OD2 47.8 REMARK 620 N 1 DBREF 7FAQ A 527 875 UNP O76074 PDE5A_HUMAN 527 875 SEQRES 1 A 349 SER TYR HIS ALA SER ALA ALA GLU GLU GLU THR ARG GLU SEQRES 2 A 349 LEU GLN SER LEU ALA ALA ALA VAL VAL PRO SER ALA GLN SEQRES 3 A 349 THR LEU LYS ILE THR ASP PHE SER PHE SER ASP PHE GLU SEQRES 4 A 349 LEU SER ASP LEU GLU THR ALA LEU CYS THR ILE ARG MET SEQRES 5 A 349 PHE THR ASP LEU ASN LEU VAL GLN ASN PHE GLN MET LYS SEQRES 6 A 349 HIS GLU VAL LEU CYS ARG TRP ILE LEU SER VAL LYS LYS SEQRES 7 A 349 ASN TYR ARG LYS ASN VAL ALA TYR HIS ASN TRP ARG HIS SEQRES 8 A 349 ALA PHE ASN THR ALA GLN CYS MET PHE ALA ALA LEU LYS SEQRES 9 A 349 ALA GLY LYS ILE GLN ASN LYS LEU THR ASP LEU GLU ILE SEQRES 10 A 349 LEU ALA LEU LEU ILE ALA ALA LEU SER HIS ASP LEU ASP SEQRES 11 A 349 HIS ARG GLY VAL ASN ASN SER TYR ILE GLN ARG SER GLU SEQRES 12 A 349 HIS PRO LEU ALA GLN LEU TYR CYS HIS SER ILE MET GLU SEQRES 13 A 349 HIS HIS HIS PHE ASP GLN CYS LEU MET ILE LEU ASN SER SEQRES 14 A 349 PRO GLY ASN GLN ILE LEU SER GLY LEU SER ILE GLU GLU SEQRES 15 A 349 TYR LYS THR THR LEU LYS ILE ILE LYS GLN ALA ILE LEU SEQRES 16 A 349 ALA THR ASP LEU ALA LEU TYR ILE LYS ARG ARG GLY GLU SEQRES 17 A 349 PHE PHE GLU LEU ILE ARG LYS ASN GLN PHE ASN LEU GLU SEQRES 18 A 349 ASP PRO HIS GLN LYS GLU LEU PHE LEU ALA MET LEU MET SEQRES 19 A 349 THR ALA CYS ASP LEU SER ALA ILE THR LYS PRO TRP PRO SEQRES 20 A 349 ILE GLN GLN ARG ILE ALA GLU LEU VAL ALA THR GLU PHE SEQRES 21 A 349 PHE ASP GLN GLY ASP ARG GLU ARG LYS GLU LEU ASN ILE SEQRES 22 A 349 GLU PRO THR ASP LEU MET ASN ARG GLU LYS LYS ASN LYS SEQRES 23 A 349 ILE PRO SER MET GLN VAL GLY PHE ILE ASP ALA ILE CYS SEQRES 24 A 349 LEU GLN LEU TYR GLU ALA LEU THR HIS VAL SER GLU ASP SEQRES 25 A 349 CYS PHE PRO LEU LEU ASP GLY CYS ARG LYS ASN ARG GLN SEQRES 26 A 349 LYS TRP GLN ALA LEU ALA GLU GLN GLN GLU LYS MET LEU SEQRES 27 A 349 ILE ASN GLY GLU SER GLY GLN ALA LYS ARG ASN HET ZN A 901 1 HET MG A 902 1 HET SO4 A 903 5 HET 2OI A 904 24 HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION HETNAM SO4 SULFATE ION HETNAM 2OI 2-[(4-CHLOROPHENYL)METHYL]-5-METHOXY-3,10- HETNAM 2 2OI DIAZATRICYCLO[6.4.1.0^{4,13}]TRIDECA-1,4(13),5,7- HETNAM 3 2OI TETRAEN-9-ONE FORMUL 2 ZN ZN 2+ FORMUL 3 MG MG 2+ FORMUL 4 SO4 O4 S 2- FORMUL 5 2OI C19 H17 CL N2 O2 FORMUL 6 HOH *72(H2 O) HELIX 1 AA1 THR A 537 ALA A 546 1 10 HELIX 2 AA2 SER A 550 LYS A 555 1 6 HELIX 3 AA3 SER A 567 LEU A 582 1 16 HELIX 4 AA4 ASN A 583 PHE A 588 1 6 HELIX 5 AA5 LYS A 591 ASN A 605 1 15 HELIX 6 AA6 ASN A 614 LYS A 630 1 17 HELIX 7 AA7 ILE A 634 LEU A 638 5 5 HELIX 8 AA8 THR A 639 HIS A 653 1 15 HELIX 9 AA9 ILE A 680 SER A 695 1 16 HELIX 10 AB1 SER A 705 THR A 723 1 19 HELIX 11 AB2 ASP A 724 LYS A 741 1 18 HELIX 12 AB3 ASP A 748 LEU A 765 1 18 HELIX 13 AB4 SER A 766 LYS A 770 5 5 HELIX 14 AB5 PRO A 771 PHE A 787 1 17 HELIX 15 AB6 LYS A 812 CYS A 825 1 14 HELIX 16 AB7 CYS A 825 SER A 836 1 12 HELIX 17 AB8 CYS A 839 GLU A 858 1 20 LINK NE2 HIS A 617 ZN ZN A 901 1555 1555 2.28 LINK NE2 HIS A 653 ZN ZN A 901 1555 1555 2.33 LINK OD2 ASP A 654 ZN ZN A 901 1555 1555 2.23 LINK OD1 ASP A 654 MG MG A 902 1555 1555 2.18 LINK OD2 ASP A 654 MG MG A 902 1555 1555 2.95 LINK OD1 ASP A 764 ZN ZN A 901 1555 1555 2.18 LINK ZN ZN A 901 O3 SO4 A 903 1555 1555 2.35 CRYST1 73.875 73.875 131.855 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 0.013536 0.007815 0.000000 0.00000 SCALE2 0.000000 0.015630 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007584 0.00000