HEADER HYDROLASE 06-MAY-03 1UDU TITLE CRYSTAL STRUCTURE OF HUMAN PHOSPHODIESTERASE 5 COMPLEXED WITH TITLE 2 TADALAFIL(CIALIS) COMPND MOL_ID: 1; COMPND 2 MOLECULE: CGMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: CATALYTIC DOMAIN; COMPND 5 SYNONYM: PHOSPHODIESTERASE 5; COMPND 6 EC: 3.1.4.17; 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 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CGMP-SPECIFIC PHOSPHODIESTERASE 5, TADALAFIL, SELECTIVE INHIBITOR, KEYWDS 2 HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR B.-J.SUNG,J.I.LEE,Y.-S.HEO,J.H.KIM,J.MOON,J.M.YOON,Y.-L.HYUN,E.KIM, AUTHOR 2 S.J.EUM,T.G.LEE,J.M.CHO,S.-Y.PARK,J.-O.LEE,Y.H.JEON,K.Y.HWANG,S.RO REVDAT 3 27-DEC-23 1UDU 1 REMARK HETSYN LINK REVDAT 2 24-FEB-09 1UDU 1 VERSN REVDAT 1 11-MAY-04 1UDU 0 JRNL AUTH B.-J.SUNG,K.Y.HWANG,Y.H.JEON,J.I.LEE,Y.-S.HEO,J.H.KIM, JRNL AUTH 2 J.MOON,J.M.YOON,Y.-L.HYUN,E.KIM,S.J.EUM,S.-Y.PARK,J.-O.LEE, JRNL AUTH 3 T.G.LEE,S.RO,J.M.CHO JRNL TITL STRUCTURE OF THE CATALYTIC DOMAIN OF HUMAN PHOSPHODIESTERASE JRNL TITL 2 5 WITH BOUND DRUG MOLECULES JRNL REF NATURE V. 425 98 2003 JRNL REFN ISSN 0028-0836 JRNL PMID 12955149 JRNL DOI 10.1038/NATURE01914 REMARK 2 REMARK 2 RESOLUTION. 2.83 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.83 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.59 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 484126.040 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 71.5 REMARK 3 NUMBER OF REFLECTIONS : 12116 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 SET) : 0.263 REMARK 3 FREE R VALUE : 0.374 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 627 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.015 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.97 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 50.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1353 REMARK 3 BIN R VALUE (WORKING SET) : 0.4470 REMARK 3 BIN FREE R VALUE : 0.5900 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 81 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.066 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5084 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 62 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 49.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 16.08000 REMARK 3 B22 (A**2) : -24.27000 REMARK 3 B33 (A**2) : 8.19000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -15.28000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.48 REMARK 3 ESD FROM SIGMAA (A) : 0.75 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.61 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.91 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.960 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 24.940; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 30.380; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 27.680; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 31.840; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 44.77 REMARK 3 REMARK 3 NCS MODEL : CONSTR REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : CIA.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : CIA.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1UDU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 09-MAY-03. REMARK 100 THE DEPOSITION ID IS D_1000005710. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-APR-03 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 : PAL/PLS REMARK 200 BEAMLINE : 6B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.12714 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12117 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.830 REMARK 200 RESOLUTION RANGE LOW (A) : 20.130 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 79.7 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) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 74.4 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: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.13 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.44 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG8000, TRIS BUFFER, MAGNESIUM REMARK 280 CHLORIDE, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -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 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 65.67600 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.28050 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 65.67600 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 24.28050 REMARK 290 SMTRY3 4 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 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 ILE B 665 REMARK 465 GLN B 666 REMARK 465 ARG B 667 REMARK 465 SER B 668 REMARK 465 GLU B 669 REMARK 465 HIS B 670 REMARK 465 PRO B 671 REMARK 465 LEU B 672 REMARK 465 ALA B 673 REMARK 465 GLN B 674 REMARK 465 LEU B 675 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 O HIS B 683 OD1 ASP B 687 2.17 REMARK 500 O HIS A 683 OD1 ASP A 687 2.18 REMARK 500 O GLY B 632 OG SER B 836 2.18 REMARK 500 O LYS A 630 N GLY A 632 2.18 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 ARG A 538 1.00 -62.44 REMARK 500 GLU A 539 -72.53 -96.31 REMARK 500 SER A 542 -70.42 -55.46 REMARK 500 ALA A 545 49.93 -94.56 REMARK 500 ALA A 546 -144.93 -114.16 REMARK 500 PRO A 549 -109.50 -32.17 REMARK 500 PHE A 564 -46.71 -20.21 REMARK 500 LEU A 569 -49.07 -28.98 REMARK 500 THR A 571 1.61 -61.22 REMARK 500 ASP A 581 8.95 -66.42 REMARK 500 GLN A 589 61.04 12.61 REMARK 500 TRP A 598 -84.37 -61.76 REMARK 500 ILE A 599 -57.76 -24.41 REMARK 500 SER A 601 -75.48 -52.27 REMARK 500 VAL A 602 -48.37 -26.96 REMARK 500 LYS A 603 -77.82 -66.66 REMARK 500 LYS A 604 -30.60 -36.68 REMARK 500 ASN A 605 31.47 -80.25 REMARK 500 TYR A 612 -65.47 -171.08 REMARK 500 HIS A 613 54.91 -68.22 REMARK 500 GLN A 623 -77.52 -55.47 REMARK 500 CYS A 624 -15.04 -42.96 REMARK 500 LYS A 630 -102.06 -86.21 REMARK 500 ALA A 631 -1.96 -36.50 REMARK 500 ASN A 636 1.30 -59.16 REMARK 500 GLU A 642 -8.36 -52.17 REMARK 500 ALA A 649 -75.66 -55.66 REMARK 500 ALA A 650 -33.29 -33.72 REMARK 500 SER A 652 2.31 -158.60 REMARK 500 ASP A 654 39.27 -140.17 REMARK 500 ASN A 661 -167.45 -115.96 REMARK 500 ASN A 662 -149.06 -125.84 REMARK 500 SER A 663 -12.04 -166.87 REMARK 500 SER A 679 52.38 72.87 REMARK 500 ILE A 692 -78.90 -70.43 REMARK 500 LEU A 693 -32.21 -27.11 REMARK 500 SER A 695 147.53 -35.29 REMARK 500 LYS A 717 -73.26 -48.42 REMARK 500 LEU A 721 -0.08 -52.28 REMARK 500 LEU A 725 -32.30 -34.00 REMARK 500 ARG A 731 -84.26 -146.77 REMARK 500 ARG A 732 -51.04 -10.20 REMARK 500 PHE A 735 -0.62 -56.48 REMARK 500 GLU A 737 -19.82 -153.11 REMARK 500 ASN A 742 -3.69 52.00 REMARK 500 GLN A 743 13.64 -58.00 REMARK 500 PHE A 744 170.75 -48.17 REMARK 500 ASN A 745 117.85 164.51 REMARK 500 GLU A 753 -80.16 -72.84 REMARK 500 PHE A 755 -78.22 -63.47 REMARK 500 REMARK 500 THIS ENTRY HAS 133 RAMACHANDRAN OUTLIERS. 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 A1001 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 617 NE2 REMARK 620 2 HIS A 653 NE2 90.6 REMARK 620 3 ASP A 654 OD2 135.2 90.4 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B2001 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 617 NE2 REMARK 620 2 HIS B 653 NE2 77.7 REMARK 620 3 ASP B 654 OD2 101.1 60.7 REMARK 620 4 ASP B 764 OD2 124.2 93.0 121.9 REMARK 620 5 ASP B 764 OD1 97.0 140.9 155.1 57.7 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 1002 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 2001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 2002 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIA A 1003 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIA B 2003 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1UDT RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH SILDENAFIL(VIAGRA) DBREF 1UDU A 537 860 UNP O76074 PDE5A_HUMAN 537 860 DBREF 1UDU B 537 860 UNP O76074 PDE5A_HUMAN 537 860 SEQRES 1 A 324 THR ARG GLU LEU GLN SER LEU ALA ALA ALA VAL VAL PRO SEQRES 2 A 324 SER ALA GLN THR LEU LYS ILE THR ASP PHE SER PHE SER SEQRES 3 A 324 ASP PHE GLU LEU SER ASP LEU GLU THR ALA LEU CYS THR SEQRES 4 A 324 ILE ARG MET PHE THR ASP LEU ASN LEU VAL GLN ASN PHE SEQRES 5 A 324 GLN MET LYS HIS GLU VAL LEU CYS ARG TRP ILE LEU SER SEQRES 6 A 324 VAL LYS LYS ASN TYR ARG LYS ASN VAL ALA TYR HIS ASN SEQRES 7 A 324 TRP ARG HIS ALA PHE ASN THR ALA GLN CYS MET PHE ALA SEQRES 8 A 324 ALA LEU LYS ALA GLY LYS ILE GLN ASN LYS LEU THR ASP SEQRES 9 A 324 LEU GLU ILE LEU ALA LEU LEU ILE ALA ALA LEU SER HIS SEQRES 10 A 324 ASP LEU ASP HIS ARG GLY VAL ASN ASN SER TYR ILE GLN SEQRES 11 A 324 ARG SER GLU HIS PRO LEU ALA GLN LEU TYR CYS HIS SER SEQRES 12 A 324 ILE MET GLU HIS HIS HIS PHE ASP GLN CYS LEU MET ILE SEQRES 13 A 324 LEU ASN SER PRO GLY ASN GLN ILE LEU SER GLY LEU SER SEQRES 14 A 324 ILE GLU GLU TYR LYS THR THR LEU LYS ILE ILE LYS GLN SEQRES 15 A 324 ALA ILE LEU ALA THR ASP LEU ALA LEU TYR ILE LYS ARG SEQRES 16 A 324 ARG GLY GLU PHE PHE GLU LEU ILE ARG LYS ASN GLN PHE SEQRES 17 A 324 ASN LEU GLU ASP PRO HIS GLN LYS GLU LEU PHE LEU ALA SEQRES 18 A 324 MET LEU MET THR ALA CYS ASP LEU SER ALA ILE THR LYS SEQRES 19 A 324 PRO TRP PRO ILE GLN GLN ARG ILE ALA GLU LEU VAL ALA SEQRES 20 A 324 THR GLU PHE PHE ASP GLN GLY ASP ARG GLU ARG LYS GLU SEQRES 21 A 324 LEU ASN ILE GLU PRO THR ASP LEU MET ASN ARG GLU LYS SEQRES 22 A 324 LYS ASN LYS ILE PRO SER MET GLN VAL GLY PHE ILE ASP SEQRES 23 A 324 ALA ILE CYS LEU GLN LEU TYR GLU ALA LEU THR HIS VAL SEQRES 24 A 324 SER GLU ASP CYS PHE PRO LEU LEU ASP GLY CYS ARG LYS SEQRES 25 A 324 ASN ARG GLN LYS TRP GLN ALA LEU ALA GLU GLN GLN SEQRES 1 B 324 THR ARG GLU LEU GLN SER LEU ALA ALA ALA VAL VAL PRO SEQRES 2 B 324 SER ALA GLN THR LEU LYS ILE THR ASP PHE SER PHE SER SEQRES 3 B 324 ASP PHE GLU LEU SER ASP LEU GLU THR ALA LEU CYS THR SEQRES 4 B 324 ILE ARG MET PHE THR ASP LEU ASN LEU VAL GLN ASN PHE SEQRES 5 B 324 GLN MET LYS HIS GLU VAL LEU CYS ARG TRP ILE LEU SER SEQRES 6 B 324 VAL LYS LYS ASN TYR ARG LYS ASN VAL ALA TYR HIS ASN SEQRES 7 B 324 TRP ARG HIS ALA PHE ASN THR ALA GLN CYS MET PHE ALA SEQRES 8 B 324 ALA LEU LYS ALA GLY LYS ILE GLN ASN LYS LEU THR ASP SEQRES 9 B 324 LEU GLU ILE LEU ALA LEU LEU ILE ALA ALA LEU SER HIS SEQRES 10 B 324 ASP LEU ASP HIS ARG GLY VAL ASN ASN SER TYR ILE GLN SEQRES 11 B 324 ARG SER GLU HIS PRO LEU ALA GLN LEU TYR CYS HIS SER SEQRES 12 B 324 ILE MET GLU HIS HIS HIS PHE ASP GLN CYS LEU MET ILE SEQRES 13 B 324 LEU ASN SER PRO GLY ASN GLN ILE LEU SER GLY LEU SER SEQRES 14 B 324 ILE GLU GLU TYR LYS THR THR LEU LYS ILE ILE LYS GLN SEQRES 15 B 324 ALA ILE LEU ALA THR ASP LEU ALA LEU TYR ILE LYS ARG SEQRES 16 B 324 ARG GLY GLU PHE PHE GLU LEU ILE ARG LYS ASN GLN PHE SEQRES 17 B 324 ASN LEU GLU ASP PRO HIS GLN LYS GLU LEU PHE LEU ALA SEQRES 18 B 324 MET LEU MET THR ALA CYS ASP LEU SER ALA ILE THR LYS SEQRES 19 B 324 PRO TRP PRO ILE GLN GLN ARG ILE ALA GLU LEU VAL ALA SEQRES 20 B 324 THR GLU PHE PHE ASP GLN GLY ASP ARG GLU ARG LYS GLU SEQRES 21 B 324 LEU ASN ILE GLU PRO THR ASP LEU MET ASN ARG GLU LYS SEQRES 22 B 324 LYS ASN LYS ILE PRO SER MET GLN VAL GLY PHE ILE ASP SEQRES 23 B 324 ALA ILE CYS LEU GLN LEU TYR GLU ALA LEU THR HIS VAL SEQRES 24 B 324 SER GLU ASP CYS PHE PRO LEU LEU ASP GLY CYS ARG LYS SEQRES 25 B 324 ASN ARG GLN LYS TRP GLN ALA LEU ALA GLU GLN GLN HET ZN A1001 1 HET MG A1002 1 HET CIA A1003 29 HET ZN B2001 1 HET MG B2002 1 HET CIA B2003 29 HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION HETNAM CIA 6-BENZO[1,3]DIOXOL-5-YL-2-METHYL-2,3,6,7,12,12A- HETNAM 2 CIA HEXAHYDRO-PYRAZINO[1',2':1,6]PYRIDO[3,4-B]INDOLE-1,4- HETNAM 3 CIA DIONE HETSYN CIA TADALAFIL; CIALIS FORMUL 3 ZN 2(ZN 2+) FORMUL 4 MG 2(MG 2+) FORMUL 5 CIA 2(C22 H19 N3 O4) HELIX 1 1 GLU A 539 ALA A 545 1 7 HELIX 2 2 SER A 567 ASP A 581 1 15 HELIX 3 3 ASN A 583 PHE A 588 1 6 HELIX 4 4 LYS A 591 ASN A 605 1 15 HELIX 5 5 ASN A 614 LYS A 630 1 17 HELIX 6 6 ILE A 634 LEU A 638 5 5 HELIX 7 7 ASP A 640 LEU A 651 1 12 HELIX 8 8 SER A 679 SER A 695 1 17 HELIX 9 9 SER A 705 LEU A 721 1 17 HELIX 10 10 ASP A 724 LYS A 730 1 7 HELIX 11 11 ASP A 748 LEU A 765 1 18 HELIX 12 12 SER A 766 LYS A 770 5 5 HELIX 13 13 PRO A 771 GLU A 793 1 23 HELIX 14 14 LYS A 812 ILE A 824 1 13 HELIX 15 15 ILE A 824 SER A 836 1 13 HELIX 16 16 CYS A 839 ARG A 850 1 12 HELIX 17 17 LYS A 852 GLU A 858 1 7 HELIX 18 18 GLU B 539 ALA B 545 1 7 HELIX 19 19 SER B 567 ASP B 581 1 15 HELIX 20 20 ASN B 583 PHE B 588 1 6 HELIX 21 21 LYS B 591 ASN B 605 1 15 HELIX 22 22 ASN B 614 LYS B 630 1 17 HELIX 23 23 ILE B 634 LEU B 638 5 5 HELIX 24 24 ASP B 640 LEU B 651 1 12 HELIX 25 25 SER B 679 SER B 695 1 17 HELIX 26 26 SER B 705 LEU B 721 1 17 HELIX 27 27 ASP B 724 LYS B 730 1 7 HELIX 28 28 ASP B 748 LEU B 765 1 18 HELIX 29 29 SER B 766 LYS B 770 5 5 HELIX 30 30 PRO B 771 GLU B 793 1 23 HELIX 31 31 LYS B 809 ASN B 811 5 3 HELIX 32 32 LYS B 812 ILE B 824 1 13 HELIX 33 33 ILE B 824 SER B 836 1 13 HELIX 34 34 CYS B 839 ARG B 850 1 12 HELIX 35 35 LYS B 852 GLU B 858 1 7 LINK NE2 HIS A 617 ZN ZN A1001 1555 1555 2.31 LINK NE2 HIS A 653 ZN ZN A1001 1555 1555 1.94 LINK OD2 ASP A 654 ZN ZN A1001 1555 1555 1.84 LINK OD1 ASP A 654 MG MG A1002 1555 1555 3.05 LINK NE2 HIS B 617 ZN ZN B2001 1555 1555 2.67 LINK NE2 HIS B 653 ZN ZN B2001 1555 1555 2.49 LINK OD2 ASP B 654 ZN ZN B2001 1555 1555 2.42 LINK OD1 ASP B 654 MG MG B2002 1555 1555 3.08 LINK OD2 ASP B 764 ZN ZN B2001 1555 1555 2.27 LINK OD1 ASP B 764 ZN ZN B2001 1555 1555 2.29 SITE 1 AC1 4 HIS A 617 HIS A 653 ASP A 654 ASP A 764 SITE 1 AC2 1 ASP A 654 SITE 1 AC3 4 HIS B 617 HIS B 653 ASP B 654 ASP B 764 SITE 1 AC4 2 ASP B 654 THR B 723 SITE 1 AC5 11 TYR A 612 SER A 663 VAL A 782 ALA A 783 SITE 2 AC5 11 PHE A 786 PHE A 787 LEU A 804 ILE A 813 SITE 3 AC5 11 MET A 816 GLN A 817 PHE A 820 SITE 1 AC6 10 TYR B 612 GLN B 775 ILE B 778 VAL B 782 SITE 2 AC6 10 ALA B 783 PHE B 786 LEU B 804 MET B 816 SITE 3 AC6 10 GLN B 817 PHE B 820 CRYST1 131.352 48.561 123.863 90.00 117.28 90.00 C 1 2 1 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 0.007613 0.000000 0.003926 0.00000 SCALE2 0.000000 0.020593 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009084 0.00000