HEADER HYDROLASE/HYDROLASE INHIBITOR 28-OCT-19 6L6E TITLE HUMAN PDE5 CATALYTIC CORE IN COMPLEX WITH AVANAFIL COMPND MOL_ID: 1; COMPND 2 MOLECULE: CGMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HUMAN PHOSPHODIESTERASE ISOFORM 5,CGMP-BINDING CGMP-SPECIFIC COMPND 5 PHOSPHODIESTERASE,CGB-PDE; COMPND 6 EC: 3.1.4.35; COMPND 7 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(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VARIANT: STAR PLYS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET21B KEYWDS PHOSPHODIESTERASE ISOFORM 5, AVANAFIL, ENZYME-DRUG COMPLEX, CO- KEYWDS 2 CRYSTALLIZATION, HYDROLASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR C.M.HSIEH,N.L.CHAN REVDAT 2 22-NOV-23 6L6E 1 REMARK REVDAT 1 02-SEP-20 6L6E 0 JRNL AUTH C.M.HSIEH,C.Y.CHEN,J.W.CHERN,N.L.CHAN JRNL TITL STRUCTURE OF HUMAN PHOSPHODIESTERASE 5A1 COMPLEXED WITH JRNL TITL 2 AVANAFIL REVEALS MOLECULAR BASIS OF ISOFORM SELECTIVITY AND JRNL TITL 3 GUIDELINES FOR TARGETING ALPHA-HELIX BACKBONE OXYGEN BY JRNL TITL 4 HALOGEN BONDING. JRNL REF J.MED.CHEM. V. 63 8485 2020 JRNL REFN ISSN 0022-2623 JRNL PMID 32663396 JRNL DOI 10.1021/ACS.JMEDCHEM.0C00853 REMARK 2 REMARK 2 RESOLUTION. 1.92 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.17_3644 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.92 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.57 REMARK 3 MIN(FOBS/SIGMA_FOBS) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 36626 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1833 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 27.5700 - 4.5100 1.00 2909 154 0.1822 0.1675 REMARK 3 2 4.5000 - 3.5800 1.00 2744 144 0.1732 0.1683 REMARK 3 3 3.5800 - 3.1300 1.00 2721 143 0.2061 0.1990 REMARK 3 4 3.1300 - 2.8400 1.00 2685 142 0.2285 0.2492 REMARK 3 5 2.8400 - 2.6400 1.00 2683 141 0.2195 0.2960 REMARK 3 6 2.6400 - 2.4800 1.00 2664 141 0.2116 0.2143 REMARK 3 7 2.4800 - 2.3600 1.00 2644 139 0.2050 0.2254 REMARK 3 8 2.3600 - 2.2600 1.00 2660 140 0.1892 0.2108 REMARK 3 9 2.2600 - 2.1700 1.00 2627 137 0.1799 0.1946 REMARK 3 10 2.1700 - 2.0900 1.00 2651 140 0.1860 0.2400 REMARK 3 11 2.0900 - 2.0300 1.00 2639 139 0.1916 0.2390 REMARK 3 12 2.0300 - 1.9700 1.00 2632 138 0.2123 0.2451 REMARK 3 13 1.9700 - 1.9200 1.00 2611 138 0.2338 0.2930 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.182 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.505 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.83 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.08 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 2703 REMARK 3 ANGLE : 0.788 3676 REMARK 3 CHIRALITY : 0.064 417 REMARK 3 PLANARITY : 0.005 471 REMARK 3 DIHEDRAL : 19.284 998 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 6L6E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 31-OCT-19. REMARK 100 THE DEPOSITION ID IS D_1300014248. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-MAY-16 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSRRC REMARK 200 BEAMLINE : BL15A1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : LN2-COOLED FIXED-EXIT DOUBLE REMARK 200 CRYSTAL SI(111) MONOCHROMATOR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX300HE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36777 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.920 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 6.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 23.3600 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.92 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.96 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.864 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX 1.17_3644 REMARK 200 STARTING MODEL: 2H40 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.96 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M MGSO4, 0.1M NA CACODYLATE PH 6.8, REMARK 280 18 % PEG 3350, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 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 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 80.30500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 37.91850 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 37.91850 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 120.45750 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 37.91850 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 37.91850 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 40.15250 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 37.91850 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 37.91850 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 120.45750 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 37.91850 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 37.91850 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 40.15250 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 80.30500 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: 500 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14210 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -69.0 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 MET A 535 REMARK 465 GLN A 860 REMARK 465 GLU A 861 REMARK 465 LEU A 862 REMARK 465 GLU A 863 REMARK 465 HIS A 864 REMARK 465 HIS A 865 REMARK 465 HIS A 866 REMARK 465 HIS A 867 REMARK 465 HIS A 868 REMARK 465 HIS A 869 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 536 CB CG CD OE1 OE2 REMARK 470 ARG A 538 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 541 CG CD OE1 NE2 REMARK 470 LYS A 591 CD CE NZ REMARK 470 GLU A 593 CD OE1 OE2 REMARK 470 LYS A 604 CD CE NZ REMARK 470 ARG A 607 NE CZ NH1 NH2 REMARK 470 LYS A 608 CG CD CE NZ REMARK 470 GLN A 666 CD OE1 NE2 REMARK 470 ARG A 667 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 669 CD OE1 OE2 REMARK 470 GLN A 674 OE1 NE2 REMARK 470 LYS A 730 CG CD CE NZ REMARK 470 GLU A 737 CD OE1 OE2 REMARK 470 GLN A 776 CG CD OE1 NE2 REMARK 470 GLU A 800 CG CD OE1 OE2 REMARK 470 LYS A 810 CD CE NZ REMARK 470 GLU A 837 CG CD OE1 OE2 REMARK 470 LYS A 848 CD CE NZ REMARK 470 GLN A 851 CG CD OE1 NE2 REMARK 470 LYS A 852 CD CE NZ 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 -73.17 -90.16 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 902 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 617 NE2 REMARK 620 2 HIS A 653 NE2 92.9 REMARK 620 3 ASP A 654 OD2 92.0 84.2 REMARK 620 4 ASP A 764 OD1 77.5 87.4 166.3 REMARK 620 5 SO4 A 904 O2 92.3 171.8 102.0 87.5 REMARK 620 6 HOH A1032 O 171.8 95.2 87.4 104.3 79.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 903 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 654 OD1 REMARK 620 2 HOH A1020 O 83.6 REMARK 620 3 HOH A1021 O 168.5 87.3 REMARK 620 4 HOH A1029 O 85.0 89.9 88.0 REMARK 620 5 HOH A1032 O 94.6 95.2 93.2 174.8 REMARK 620 6 HOH A1052 O 97.7 176.2 91.0 86.6 88.3 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 E6L A 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 902 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 903 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 904 DBREF 6L6E A 536 861 UNP O76074 PDE5A_HUMAN 536 861 SEQADV 6L6E MET A 535 UNP O76074 INITIATING METHIONINE SEQADV 6L6E LEU A 862 UNP O76074 EXPRESSION TAG SEQADV 6L6E GLU A 863 UNP O76074 EXPRESSION TAG SEQADV 6L6E HIS A 864 UNP O76074 EXPRESSION TAG SEQADV 6L6E HIS A 865 UNP O76074 EXPRESSION TAG SEQADV 6L6E HIS A 866 UNP O76074 EXPRESSION TAG SEQADV 6L6E HIS A 867 UNP O76074 EXPRESSION TAG SEQADV 6L6E HIS A 868 UNP O76074 EXPRESSION TAG SEQADV 6L6E HIS A 869 UNP O76074 EXPRESSION TAG SEQRES 1 A 335 MET GLU THR ARG GLU LEU GLN SER LEU ALA ALA ALA VAL SEQRES 2 A 335 VAL PRO SER ALA GLN THR LEU LYS ILE THR ASP PHE SER SEQRES 3 A 335 PHE SER ASP PHE GLU LEU SER ASP LEU GLU THR ALA LEU SEQRES 4 A 335 CYS THR ILE ARG MET PHE THR ASP LEU ASN LEU VAL GLN SEQRES 5 A 335 ASN PHE GLN MET LYS HIS GLU VAL LEU CYS ARG TRP ILE SEQRES 6 A 335 LEU SER VAL LYS LYS ASN TYR ARG LYS ASN VAL ALA TYR SEQRES 7 A 335 HIS ASN TRP ARG HIS ALA PHE ASN THR ALA GLN CYS MET SEQRES 8 A 335 PHE ALA ALA LEU LYS ALA GLY LYS ILE GLN ASN LYS LEU SEQRES 9 A 335 THR ASP LEU GLU ILE LEU ALA LEU LEU ILE ALA ALA LEU SEQRES 10 A 335 SER HIS ASP LEU ASP HIS ARG GLY VAL ASN ASN SER TYR SEQRES 11 A 335 ILE GLN ARG SER GLU HIS PRO LEU ALA GLN LEU TYR CYS SEQRES 12 A 335 HIS SER ILE MET GLU HIS HIS HIS PHE ASP GLN CYS LEU SEQRES 13 A 335 MET ILE LEU ASN SER PRO GLY ASN GLN ILE LEU SER GLY SEQRES 14 A 335 LEU SER ILE GLU GLU TYR LYS THR THR LEU LYS ILE ILE SEQRES 15 A 335 LYS GLN ALA ILE LEU ALA THR ASP LEU ALA LEU TYR ILE SEQRES 16 A 335 LYS ARG ARG GLY GLU PHE PHE GLU LEU ILE ARG LYS ASN SEQRES 17 A 335 GLN PHE ASN LEU GLU ASP PRO HIS GLN LYS GLU LEU PHE SEQRES 18 A 335 LEU ALA MET LEU MET THR ALA CYS ASP LEU SER ALA ILE SEQRES 19 A 335 THR LYS PRO TRP PRO ILE GLN GLN ARG ILE ALA GLU LEU SEQRES 20 A 335 VAL ALA THR GLU PHE PHE ASP GLN GLY ASP ARG GLU ARG SEQRES 21 A 335 LYS GLU LEU ASN ILE GLU PRO THR ASP LEU MET ASN ARG SEQRES 22 A 335 GLU LYS LYS ASN LYS ILE PRO SER MET GLN VAL GLY PHE SEQRES 23 A 335 ILE ASP ALA ILE CYS LEU GLN LEU TYR GLU ALA LEU THR SEQRES 24 A 335 HIS VAL SER GLU ASP CYS PHE PRO LEU LEU ASP GLY CYS SEQRES 25 A 335 ARG LYS ASN ARG GLN LYS TRP GLN ALA LEU ALA GLU GLN SEQRES 26 A 335 GLN GLU LEU GLU HIS HIS HIS HIS HIS HIS HET E6L A 901 34 HET ZN A 902 1 HET MG A 903 1 HET SO4 A 904 5 HETNAM E6L 4-[(3-CHLORANYL-4-METHOXY-PHENYL)METHYLAMINO]-2-[(2S)- HETNAM 2 E6L 2-(HYDROXYMETHYL)PYRROLIDIN-1-YL]-N-(PYRIMIDIN-2- HETNAM 3 E6L YLMETHYL)PYRIMID INE-5-CARBOXAMIDE HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION HETNAM SO4 SULFATE ION HETSYN E6L AVANAFIL FORMUL 2 E6L C23 H26 CL N7 O3 FORMUL 3 ZN ZN 2+ FORMUL 4 MG MG 2+ FORMUL 5 SO4 O4 S 2- FORMUL 6 HOH *87(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 ALA A 631 1 18 HELIX 7 AA7 LYS A 633 LEU A 638 5 6 HELIX 8 AA8 THR A 639 HIS A 653 1 15 HELIX 9 AA9 ASN A 661 SER A 668 1 8 HELIX 10 AB1 PRO A 671 TYR A 676 1 6 HELIX 11 AB2 SER A 679 ASN A 694 1 16 HELIX 12 AB3 SER A 705 THR A 723 1 19 HELIX 13 AB4 ASP A 724 LYS A 741 1 18 HELIX 14 AB5 ASP A 748 LEU A 765 1 18 HELIX 15 AB6 SER A 766 LYS A 770 5 5 HELIX 16 AB7 PRO A 771 ASN A 798 1 28 HELIX 17 AB8 THR A 802 ASN A 811 5 10 HELIX 18 AB9 LYS A 812 ILE A 824 1 13 HELIX 19 AC1 CYS A 825 SER A 836 1 12 HELIX 20 AC2 CYS A 839 GLU A 858 1 20 LINK NE2 HIS A 617 ZN ZN A 902 1555 1555 2.33 LINK NE2 HIS A 653 ZN ZN A 902 1555 1555 2.27 LINK OD2 ASP A 654 ZN ZN A 902 1555 1555 2.18 LINK OD1 ASP A 654 MG MG A 903 1555 1555 2.09 LINK OD1 ASP A 764 ZN ZN A 902 1555 1555 2.13 LINK ZN ZN A 902 O2 SO4 A 904 1555 1555 2.26 LINK ZN ZN A 902 O HOH A1032 1555 1555 1.99 LINK MG MG A 903 O HOH A1020 1555 1555 2.12 LINK MG MG A 903 O HOH A1021 1555 1555 2.22 LINK MG MG A 903 O HOH A1029 1555 1555 2.12 LINK MG MG A 903 O HOH A1032 1555 1555 2.03 LINK MG MG A 903 O HOH A1052 1555 1555 2.06 SITE 1 AC1 13 TYR A 612 ILE A 729 ILE A 768 GLN A 775 SITE 2 AC1 13 ALA A 779 ALA A 783 PHE A 787 LEU A 804 SITE 3 AC1 13 ILE A 813 MET A 816 GLN A 817 PHE A 820 SITE 4 AC1 13 HOH A1022 SITE 1 AC2 7 HIS A 617 HIS A 653 ASP A 654 ASP A 764 SITE 2 AC2 7 MG A 903 SO4 A 904 HOH A1032 SITE 1 AC3 7 ASP A 654 ZN A 902 HOH A1020 HOH A1021 SITE 2 AC3 7 HOH A1029 HOH A1032 HOH A1052 SITE 1 AC4 8 TYR A 612 HIS A 613 HIS A 617 ASP A 654 SITE 2 AC4 8 ASP A 764 ZN A 902 HOH A1032 HOH A1052 CRYST1 75.837 75.837 160.610 90.00 90.00 90.00 P 43 21 2 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 0.013186 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013186 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006226 0.00000