HEADER HYDROLASE/HYDROLASE INHIBITOR 17-JUN-11 3SHZ TITLE CRYSTAL STRUCTURE OF THE PDE5A1 CATALYTIC DOMAIN IN COMPLEX WITH NOVEL TITLE 2 INHIBITORS COMPND MOL_ID: 1; COMPND 2 MOLECULE: CGMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 535-860; COMPND 5 SYNONYM: PDE5A1, CGMP-BINDING CGMP-SPECIFIC PHOSPHODIESTERASE, CGB- COMPND 6 PDE; COMPND 7 EC: 3.1.4.35; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_TAXID: 9606; SOURCE 4 GENE: PDE5, PDE5A; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS PDE5A INHIBITOR, HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR T.T.CHEN,T.CHEN,Y.C.XU REVDAT 3 20-MAR-24 3SHZ 1 REMARK SEQADV LINK REVDAT 2 08-NOV-17 3SHZ 1 REMARK REVDAT 1 24-AUG-11 3SHZ 0 JRNL AUTH Z.XU,Z.LIU,T.CHEN,T.T.CHEN,Z.WANG,G.TIAN,J.SHI,X.WANG,Y.LU, JRNL AUTH 2 X.YAN,G.WANG,H.JIANG,K.CHEN,S.WANG,Y.XU,J.SHEN,W.ZHU JRNL TITL UTILIZATION OF HALOGEN BOND IN LEAD OPTIMIZATION: A CASE JRNL TITL 2 STUDY OF RATIONAL DESIGN OF POTENT PHOSPHODIESTERASE TYPE 5 JRNL TITL 3 (PDE5) INHIBITORS. JRNL REF J.MED.CHEM. V. 54 5607 2011 JRNL REFN ISSN 0022-2623 JRNL PMID 21714539 JRNL DOI 10.1021/JM200644R REMARK 2 REMARK 2 RESOLUTION. 2.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.7_650 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 : MLHL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.15 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.1 REMARK 3 NUMBER OF REFLECTIONS : 15418 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.203 REMARK 3 R VALUE (WORKING SET) : 0.201 REMARK 3 FREE R VALUE : 0.245 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.020 REMARK 3 FREE R VALUE TEST SET COUNT : 774 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 46.1571 - 4.4498 0.99 2712 119 0.1913 0.2021 REMARK 3 2 4.4498 - 3.5324 1.00 2561 145 0.1758 0.2403 REMARK 3 3 3.5324 - 3.0860 0.99 2506 131 0.2077 0.2721 REMARK 3 4 3.0860 - 2.8039 0.95 2410 131 0.2379 0.3031 REMARK 3 5 2.8039 - 2.6029 0.91 2286 131 0.2316 0.3036 REMARK 3 6 2.6029 - 2.4495 0.86 2169 117 0.2491 0.2615 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.30 REMARK 3 SHRINKAGE RADIUS : 1.06 REMARK 3 K_SOL : 0.33 REMARK 3 B_SOL : 50.74 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.260 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.230 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 50.89 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.26300 REMARK 3 B22 (A**2) : 3.26300 REMARK 3 B33 (A**2) : -6.52600 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 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 2340 REMARK 3 ANGLE : 1.098 3176 REMARK 3 CHIRALITY : 0.069 371 REMARK 3 PLANARITY : 0.005 400 REMARK 3 DIHEDRAL : 14.058 821 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 3SHZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-JUL-11. REMARK 100 THE DEPOSITION ID IS D_1000066225. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-MAR-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL17U REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9791 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15418 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.449 REMARK 200 RESOLUTION RANGE LOW (A) : 46.149 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 19-20%(W/V) PEG 3350, 200MM MGSO4, REMARK 280 100MM TRIS-HCL, PH 7.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K 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 43.90933 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 87.81867 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 87.81867 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 43.90933 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 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 514 REMARK 465 GLY A 515 REMARK 465 SER A 516 REMARK 465 SER A 517 REMARK 465 HIS A 518 REMARK 465 HIS A 519 REMARK 465 HIS A 520 REMARK 465 HIS A 521 REMARK 465 HIS A 522 REMARK 465 HIS A 523 REMARK 465 SER A 524 REMARK 465 SER A 525 REMARK 465 GLY A 526 REMARK 465 LEU A 527 REMARK 465 VAL A 528 REMARK 465 PRO A 529 REMARK 465 ARG A 530 REMARK 465 GLY A 531 REMARK 465 SER A 532 REMARK 465 HIS A 533 REMARK 465 MET A 534 REMARK 465 GLU A 535 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 GLY A 790 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 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 ARG A 538 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 552 CD OE1 NE2 REMARK 470 GLN A 589 OE1 NE2 REMARK 470 LYS A 591 CD CE NZ REMARK 470 GLU A 593 OE1 OE2 REMARK 470 ARG A 597 CZ NH1 NH2 REMARK 470 LYS A 604 CD CE NZ REMARK 470 LYS A 608 CD CE NZ REMARK 470 LYS A 630 CE NZ REMARK 470 LYS A 633 CD CE NZ REMARK 470 ASN A 636 CG OD1 ND2 REMARK 470 ARG A 658 NE CZ NH1 NH2 REMARK 470 ASN A 662 CG OD1 ND2 REMARK 470 SER A 663 OG REMARK 470 TYR A 664 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ILE A 665 CG1 CG2 CD1 REMARK 470 GLN A 666 CB CG CD OE1 NE2 REMARK 470 ARG A 667 CB CG CD NE CZ NH1 NH2 REMARK 470 SER A 668 CB OG REMARK 470 GLU A 669 CB CG CD OE1 OE2 REMARK 470 HIS A 678 CG ND1 CD2 CE1 NE2 REMARK 470 ILE A 680 CD1 REMARK 470 MET A 681 CE REMARK 470 ILE A 706 CD1 REMARK 470 GLU A 707 CG CD OE1 OE2 REMARK 470 LYS A 710 NZ REMARK 470 LYS A 714 CG CD CE NZ REMARK 470 LEU A 727 CD1 CD2 REMARK 470 LYS A 730 CG CD CE NZ REMARK 470 ARG A 731 CZ NH1 NH2 REMARK 470 ILE A 739 CD1 REMARK 470 LYS A 741 CD CE NZ REMARK 470 ASN A 742 CG OD1 ND2 REMARK 470 GLN A 743 OE1 NE2 REMARK 470 LEU A 746 CG CD1 CD2 REMARK 470 GLU A 747 CG CD OE1 OE2 REMARK 470 LYS A 810 CG CD CE NZ REMARK 470 LYS A 812 CG CD CE NZ REMARK 470 HIS A 834 CG ND1 CD2 CE1 NE2 REMARK 470 GLU A 837 CG CD OE1 OE2 REMARK 470 GLN A 851 CD OE1 NE2 REMARK 470 GLN A 859 CG CD OE1 NE2 REMARK 470 GLN A 860 CG CD OE1 NE2 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 583 20.75 80.39 REMARK 500 LYS A 630 -81.22 -87.39 REMARK 500 TYR A 664 49.49 -83.47 REMARK 500 ARG A 667 -146.48 -142.44 REMARK 500 ASN A 742 21.19 49.88 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 MG A 862 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 4 O REMARK 620 2 HOH A 5 O 78.9 REMARK 620 3 HOH A 6 O 85.9 60.0 REMARK 620 4 HOH A 50 O 108.0 75.9 130.4 REMARK 620 5 ASP A 654 OD1 100.4 174.5 114.6 109.4 REMARK 620 6 HOH A 865 O 157.2 78.3 82.7 66.2 102.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 861 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 50 O REMARK 620 2 HIS A 617 NE2 159.0 REMARK 620 3 HIS A 653 NE2 105.2 94.3 REMARK 620 4 ASP A 654 OD2 100.7 88.5 85.6 REMARK 620 5 ASP A 764 OD1 90.4 84.8 80.7 164.3 REMARK 620 6 HOH A 866 O 67.0 92.6 168.8 103.4 91.1 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 5CO A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 861 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 862 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 864 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3SHY RELATED DB: PDB REMARK 900 RELATED ID: 3SIE RELATED DB: PDB DBREF 3SHZ A 535 860 UNP O76074 PDE5A_HUMAN 535 860 SEQADV 3SHZ MET A 514 UNP O76074 EXPRESSION TAG SEQADV 3SHZ GLY A 515 UNP O76074 EXPRESSION TAG SEQADV 3SHZ SER A 516 UNP O76074 EXPRESSION TAG SEQADV 3SHZ SER A 517 UNP O76074 EXPRESSION TAG SEQADV 3SHZ HIS A 518 UNP O76074 EXPRESSION TAG SEQADV 3SHZ HIS A 519 UNP O76074 EXPRESSION TAG SEQADV 3SHZ HIS A 520 UNP O76074 EXPRESSION TAG SEQADV 3SHZ HIS A 521 UNP O76074 EXPRESSION TAG SEQADV 3SHZ HIS A 522 UNP O76074 EXPRESSION TAG SEQADV 3SHZ HIS A 523 UNP O76074 EXPRESSION TAG SEQADV 3SHZ SER A 524 UNP O76074 EXPRESSION TAG SEQADV 3SHZ SER A 525 UNP O76074 EXPRESSION TAG SEQADV 3SHZ GLY A 526 UNP O76074 EXPRESSION TAG SEQADV 3SHZ LEU A 527 UNP O76074 EXPRESSION TAG SEQADV 3SHZ VAL A 528 UNP O76074 EXPRESSION TAG SEQADV 3SHZ PRO A 529 UNP O76074 EXPRESSION TAG SEQADV 3SHZ ARG A 530 UNP O76074 EXPRESSION TAG SEQADV 3SHZ GLY A 531 UNP O76074 EXPRESSION TAG SEQADV 3SHZ SER A 532 UNP O76074 EXPRESSION TAG SEQADV 3SHZ HIS A 533 UNP O76074 EXPRESSION TAG SEQADV 3SHZ MET A 534 UNP O76074 EXPRESSION TAG SEQRES 1 A 347 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 347 LEU VAL PRO ARG GLY SER HIS MET GLU GLU THR ARG GLU SEQRES 3 A 347 LEU GLN SER LEU ALA ALA ALA VAL VAL PRO SER ALA GLN SEQRES 4 A 347 THR LEU LYS ILE THR ASP PHE SER PHE SER ASP PHE GLU SEQRES 5 A 347 LEU SER ASP LEU GLU THR ALA LEU CYS THR ILE ARG MET SEQRES 6 A 347 PHE THR ASP LEU ASN LEU VAL GLN ASN PHE GLN MET LYS SEQRES 7 A 347 HIS GLU VAL LEU CYS ARG TRP ILE LEU SER VAL LYS LYS SEQRES 8 A 347 ASN TYR ARG LYS ASN VAL ALA TYR HIS ASN TRP ARG HIS SEQRES 9 A 347 ALA PHE ASN THR ALA GLN CYS MET PHE ALA ALA LEU LYS SEQRES 10 A 347 ALA GLY LYS ILE GLN ASN LYS LEU THR ASP LEU GLU ILE SEQRES 11 A 347 LEU ALA LEU LEU ILE ALA ALA LEU SER HIS ASP LEU ASP SEQRES 12 A 347 HIS ARG GLY VAL ASN ASN SER TYR ILE GLN ARG SER GLU SEQRES 13 A 347 HIS PRO LEU ALA GLN LEU TYR CYS HIS SER ILE MET GLU SEQRES 14 A 347 HIS HIS HIS PHE ASP GLN CYS LEU MET ILE LEU ASN SER SEQRES 15 A 347 PRO GLY ASN GLN ILE LEU SER GLY LEU SER ILE GLU GLU SEQRES 16 A 347 TYR LYS THR THR LEU LYS ILE ILE LYS GLN ALA ILE LEU SEQRES 17 A 347 ALA THR ASP LEU ALA LEU TYR ILE LYS ARG ARG GLY GLU SEQRES 18 A 347 PHE PHE GLU LEU ILE ARG LYS ASN GLN PHE ASN LEU GLU SEQRES 19 A 347 ASP PRO HIS GLN LYS GLU LEU PHE LEU ALA MET LEU MET SEQRES 20 A 347 THR ALA CYS ASP LEU SER ALA ILE THR LYS PRO TRP PRO SEQRES 21 A 347 ILE GLN GLN ARG ILE ALA GLU LEU VAL ALA THR GLU PHE SEQRES 22 A 347 PHE ASP GLN GLY ASP ARG GLU ARG LYS GLU LEU ASN ILE SEQRES 23 A 347 GLU PRO THR ASP LEU MET ASN ARG GLU LYS LYS ASN LYS SEQRES 24 A 347 ILE PRO SER MET GLN VAL GLY PHE ILE ASP ALA ILE CYS SEQRES 25 A 347 LEU GLN LEU TYR GLU ALA LEU THR HIS VAL SER GLU ASP SEQRES 26 A 347 CYS PHE PRO LEU LEU ASP GLY CYS ARG LYS ASN ARG GLN SEQRES 27 A 347 LYS TRP GLN ALA LEU ALA GLU GLN GLN HET 5CO A 1 30 HET ZN A 861 1 HET MG A 862 1 HET MG A 2 1 HET MG A 3 1 HET MG A 863 1 HET MG A 864 1 HETNAM 5CO 5-CHLORO-6-ETHYL-2-{5-[(4-METHYLPIPERAZIN-1-YL) HETNAM 2 5CO SULFONYL]-2-PROPOXYPHENYL}PYRIMIDIN-4(3H)-ONE HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION FORMUL 2 5CO C20 H27 CL N4 O4 S FORMUL 3 ZN ZN 2+ FORMUL 4 MG 5(MG 2+) FORMUL 9 HOH *48(H2 O) HELIX 1 1 THR A 537 ALA A 546 1 10 HELIX 2 2 SER A 550 LYS A 555 1 6 HELIX 3 3 SER A 567 LEU A 582 1 16 HELIX 4 4 ASN A 583 PHE A 588 1 6 HELIX 5 5 LYS A 591 ASN A 605 1 15 HELIX 6 6 ASN A 614 LYS A 630 1 17 HELIX 7 7 ILE A 634 LEU A 638 5 5 HELIX 8 8 THR A 639 HIS A 653 1 15 HELIX 9 9 SER A 679 ASN A 694 1 16 HELIX 10 10 SER A 705 THR A 723 1 19 HELIX 11 11 ASP A 724 LYS A 741 1 18 HELIX 12 12 ASP A 748 LEU A 765 1 18 HELIX 13 13 SER A 766 LYS A 770 5 5 HELIX 14 14 PRO A 771 GLN A 789 1 19 HELIX 15 15 LYS A 812 ILE A 824 1 13 HELIX 16 16 ILE A 824 SER A 836 1 13 HELIX 17 17 CYS A 839 GLN A 860 1 22 LINK O HOH A 4 MG MG A 862 1555 1555 2.22 LINK O HOH A 5 MG MG A 862 1555 1555 2.43 LINK O HOH A 6 MG MG A 862 1555 1555 2.18 LINK O HOH A 50 ZN ZN A 861 1555 1555 2.43 LINK O HOH A 50 MG MG A 862 1555 1555 2.40 LINK NE2 HIS A 617 ZN ZN A 861 1555 1555 2.30 LINK NE2 HIS A 653 ZN ZN A 861 1555 1555 2.36 LINK OD2 ASP A 654 ZN ZN A 861 1555 1555 2.21 LINK OD1 ASP A 654 MG MG A 862 1555 1555 2.05 LINK OD1 ASP A 764 ZN ZN A 861 1555 1555 2.26 LINK ZN ZN A 861 O HOH A 866 1555 1555 2.52 LINK MG MG A 862 O HOH A 865 1555 1555 2.20 CISPEP 1 GLN A 666 ARG A 667 0 -1.96 CISPEP 2 ARG A 667 SER A 668 0 -0.47 SITE 1 AC1 10 TYR A 612 SER A 668 GLU A 669 ALA A 779 SITE 2 AC1 10 VAL A 782 PHE A 786 ILE A 813 MET A 816 SITE 3 AC1 10 GLN A 817 PHE A 820 SITE 1 AC2 6 HOH A 50 HIS A 617 HIS A 653 ASP A 654 SITE 2 AC2 6 ASP A 764 HOH A 866 SITE 1 AC3 6 HOH A 4 HOH A 5 HOH A 6 HOH A 50 SITE 2 AC3 6 ASP A 654 HOH A 865 SITE 1 AC4 1 PHE A 559 SITE 1 AC5 1 GLY A 697 CRYST1 74.687 74.687 131.728 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 0.013389 0.007730 0.000000 0.00000 SCALE2 0.000000 0.015461 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007591 0.00000