HEADER HYDROLASE 19-OCT-07 3B2R TITLE CRYSTAL STRUCTURE OF PDE5A1 CATALYTIC DOMAIN IN COMPLEX WITH TITLE 2 VARDENAFIL COMPND MOL_ID: 1; COMPND 2 MOLECULE: CGMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: CATALYTIC DOMAIN OF PDE5A1: UNP RESIDUES 535-860; COMPND 5 SYNONYM: CGB-PDE, CGMP-BINDING CGMP-SPECIFIC PHOSPHODIESTERASE; 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 GENE: PDE5A, PDE5; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS CGMP PHOSPHODIESTERASE; PDE5-INHIBITOR POTENCY; VARDENAFIL; KEYWDS 2 SILDENAFIL; LEVITRATM., ALLOSTERIC ENZYME, ALTERNATIVE SPLICING, KEYWDS 3 CGMP-BINDING, HYDROLASE, MAGNESIUM, METAL-BINDING, NUCLEOTIDE- KEYWDS 4 BINDING, PHOSPHORYLATION, POLYMORPHISM, ZINC EXPDTA X-RAY DIFFRACTION AUTHOR W.HUANCHEN,Y.MENGCHUN,R.HOWARD,H.F.SHARRON,K.HENGMING REVDAT 4 03-APR-24 3B2R 1 REMARK REVDAT 3 21-FEB-24 3B2R 1 REMARK SEQADV REVDAT 2 24-FEB-09 3B2R 1 VERSN REVDAT 1 20-MAY-08 3B2R 0 JRNL AUTH H.WANG,M.YE,H.ROBINSON,S.H.FRANCIS,H.KE JRNL TITL CONFORMATIONAL VARIATIONS OF BOTH PHOSPHODIESTERASE-5 AND JRNL TITL 2 INHIBITORS PROVIDE THE STRUCTURAL BASIS FOR THE JRNL TITL 3 PHYSIOLOGICAL EFFECTS OF VARDENAFIL AND SILDENAFIL. JRNL REF MOL.PHARMACOL. V. 73 104 2008 JRNL REFN ISSN 0026-895X JRNL PMID 17959709 JRNL DOI 10.1124/MOL.107.040212 REMARK 2 REMARK 2 RESOLUTION. 2.07 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.07 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 45502 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.248 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 4584 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4716 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 68 REMARK 3 SOLVENT ATOMS : 183 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 43.10 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3B2R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-NOV-07. REMARK 100 THE DEPOSITION ID IS D_1000045005. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-FEB-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X29A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 47379 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.070 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.1 REMARK 200 DATA REDUNDANCY : 12.90 REMARK 200 R MERGE (I) : 0.05100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.07 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.14 REMARK 200 COMPLETENESS FOR SHELL (%) : 48.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.28000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY IBMX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.15 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.74 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 12% PEG3350, 15% GLYCEROL, 0.1 M REMARK 280 SODIUM ACETATE PH 4.6 , VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 34.46100 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 69.23600 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.91100 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 69.23600 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 34.46100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 43.91100 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 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: 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 ASN A 661 REMARK 465 ASN A 662 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 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 GLY B 531 REMARK 465 SER B 532 REMARK 465 HIS B 533 REMARK 465 MET B 534 REMARK 465 GLU B 535 REMARK 465 GLU B 536 REMARK 465 THR B 537 REMARK 465 VAL B 660 REMARK 465 ASN B 661 REMARK 465 ASN B 662 REMARK 465 SER B 663 REMARK 465 TYR B 664 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 465 TYR B 676 REMARK 465 GLY B 790 REMARK 465 ASP B 791 REMARK 465 ARG B 792 REMARK 465 GLU B 793 REMARK 465 ARG B 794 REMARK 465 LYS B 795 REMARK 465 GLU B 796 REMARK 465 LEU B 797 REMARK 465 ASN B 798 REMARK 465 ILE B 799 REMARK 465 GLU B 800 REMARK 465 PRO B 801 REMARK 465 THR B 802 REMARK 465 ASP B 803 REMARK 465 LEU B 804 REMARK 465 MET B 805 REMARK 465 ASN B 806 REMARK 465 ARG B 807 REMARK 465 GLU B 808 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 -80.87 -88.52 REMARK 500 HIS A 678 -7.40 -51.48 REMARK 500 MET A 681 59.77 -94.25 REMARK 500 GLN A 859 107.14 83.48 REMARK 500 LYS B 555 16.65 59.35 REMARK 500 GLN B 589 59.96 38.91 REMARK 500 TYR B 612 -60.81 -105.60 REMARK 500 LYS B 630 -83.49 -83.77 REMARK 500 MET B 681 47.11 -82.85 REMARK 500 LYS B 810 -155.51 36.37 REMARK 500 ASN B 811 -80.82 -77.79 REMARK 500 GLN B 859 105.58 89.85 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE VDN A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE VDN B 1 DBREF 3B2R A 535 860 UNP O76074 PDE5A_HUMAN 535 860 DBREF 3B2R B 535 860 UNP O76074 PDE5A_HUMAN 535 860 SEQADV 3B2R GLY A 531 UNP O76074 EXPRESSION TAG SEQADV 3B2R SER A 532 UNP O76074 EXPRESSION TAG SEQADV 3B2R HIS A 533 UNP O76074 EXPRESSION TAG SEQADV 3B2R MET A 534 UNP O76074 EXPRESSION TAG SEQADV 3B2R GLY B 531 UNP O76074 EXPRESSION TAG SEQADV 3B2R SER B 532 UNP O76074 EXPRESSION TAG SEQADV 3B2R HIS B 533 UNP O76074 EXPRESSION TAG SEQADV 3B2R MET B 534 UNP O76074 EXPRESSION TAG SEQRES 1 A 330 GLY SER HIS MET GLU GLU THR ARG GLU LEU GLN SER LEU SEQRES 2 A 330 ALA ALA ALA VAL VAL PRO SER ALA GLN THR LEU LYS ILE SEQRES 3 A 330 THR ASP PHE SER PHE SER ASP PHE GLU LEU SER ASP LEU SEQRES 4 A 330 GLU THR ALA LEU CYS THR ILE ARG MET PHE THR ASP LEU SEQRES 5 A 330 ASN LEU VAL GLN ASN PHE GLN MET LYS HIS GLU VAL LEU SEQRES 6 A 330 CYS ARG TRP ILE LEU SER VAL LYS LYS ASN TYR ARG LYS SEQRES 7 A 330 ASN VAL ALA TYR HIS ASN TRP ARG HIS ALA PHE ASN THR SEQRES 8 A 330 ALA GLN CYS MET PHE ALA ALA LEU LYS ALA GLY LYS ILE SEQRES 9 A 330 GLN ASN LYS LEU THR ASP LEU GLU ILE LEU ALA LEU LEU SEQRES 10 A 330 ILE ALA ALA LEU SER HIS ASP LEU ASP HIS ARG GLY VAL SEQRES 11 A 330 ASN ASN SER TYR ILE GLN ARG SER GLU HIS PRO LEU ALA SEQRES 12 A 330 GLN LEU TYR CYS HIS SER ILE MET GLU HIS HIS HIS PHE SEQRES 13 A 330 ASP GLN CYS LEU MET ILE LEU ASN SER PRO GLY ASN GLN SEQRES 14 A 330 ILE LEU SER GLY LEU SER ILE GLU GLU TYR LYS THR THR SEQRES 15 A 330 LEU LYS ILE ILE LYS GLN ALA ILE LEU ALA THR ASP LEU SEQRES 16 A 330 ALA LEU TYR ILE LYS ARG ARG GLY GLU PHE PHE GLU LEU SEQRES 17 A 330 ILE ARG LYS ASN GLN PHE ASN LEU GLU ASP PRO HIS GLN SEQRES 18 A 330 LYS GLU LEU PHE LEU ALA MET LEU MET THR ALA CYS ASP SEQRES 19 A 330 LEU SER ALA ILE THR LYS PRO TRP PRO ILE GLN GLN ARG SEQRES 20 A 330 ILE ALA GLU LEU VAL ALA THR GLU PHE PHE ASP GLN GLY SEQRES 21 A 330 ASP ARG GLU ARG LYS GLU LEU ASN ILE GLU PRO THR ASP SEQRES 22 A 330 LEU MET ASN ARG GLU LYS LYS ASN LYS ILE PRO SER MET SEQRES 23 A 330 GLN VAL GLY PHE ILE ASP ALA ILE CYS LEU GLN LEU TYR SEQRES 24 A 330 GLU ALA LEU THR HIS VAL SER GLU ASP CYS PHE PRO LEU SEQRES 25 A 330 LEU ASP GLY CYS ARG LYS ASN ARG GLN LYS TRP GLN ALA SEQRES 26 A 330 LEU ALA GLU GLN GLN SEQRES 1 B 330 GLY SER HIS MET GLU GLU THR ARG GLU LEU GLN SER LEU SEQRES 2 B 330 ALA ALA ALA VAL VAL PRO SER ALA GLN THR LEU LYS ILE SEQRES 3 B 330 THR ASP PHE SER PHE SER ASP PHE GLU LEU SER ASP LEU SEQRES 4 B 330 GLU THR ALA LEU CYS THR ILE ARG MET PHE THR ASP LEU SEQRES 5 B 330 ASN LEU VAL GLN ASN PHE GLN MET LYS HIS GLU VAL LEU SEQRES 6 B 330 CYS ARG TRP ILE LEU SER VAL LYS LYS ASN TYR ARG LYS SEQRES 7 B 330 ASN VAL ALA TYR HIS ASN TRP ARG HIS ALA PHE ASN THR SEQRES 8 B 330 ALA GLN CYS MET PHE ALA ALA LEU LYS ALA GLY LYS ILE SEQRES 9 B 330 GLN ASN LYS LEU THR ASP LEU GLU ILE LEU ALA LEU LEU SEQRES 10 B 330 ILE ALA ALA LEU SER HIS ASP LEU ASP HIS ARG GLY VAL SEQRES 11 B 330 ASN ASN SER TYR ILE GLN ARG SER GLU HIS PRO LEU ALA SEQRES 12 B 330 GLN LEU TYR CYS HIS SER ILE MET GLU HIS HIS HIS PHE SEQRES 13 B 330 ASP GLN CYS LEU MET ILE LEU ASN SER PRO GLY ASN GLN SEQRES 14 B 330 ILE LEU SER GLY LEU SER ILE GLU GLU TYR LYS THR THR SEQRES 15 B 330 LEU LYS ILE ILE LYS GLN ALA ILE LEU ALA THR ASP LEU SEQRES 16 B 330 ALA LEU TYR ILE LYS ARG ARG GLY GLU PHE PHE GLU LEU SEQRES 17 B 330 ILE ARG LYS ASN GLN PHE ASN LEU GLU ASP PRO HIS GLN SEQRES 18 B 330 LYS GLU LEU PHE LEU ALA MET LEU MET THR ALA CYS ASP SEQRES 19 B 330 LEU SER ALA ILE THR LYS PRO TRP PRO ILE GLN GLN ARG SEQRES 20 B 330 ILE ALA GLU LEU VAL ALA THR GLU PHE PHE ASP GLN GLY SEQRES 21 B 330 ASP ARG GLU ARG LYS GLU LEU ASN ILE GLU PRO THR ASP SEQRES 22 B 330 LEU MET ASN ARG GLU LYS LYS ASN LYS ILE PRO SER MET SEQRES 23 B 330 GLN VAL GLY PHE ILE ASP ALA ILE CYS LEU GLN LEU TYR SEQRES 24 B 330 GLU ALA LEU THR HIS VAL SER GLU ASP CYS PHE PRO LEU SEQRES 25 B 330 LEU ASP GLY CYS ARG LYS ASN ARG GLN LYS TRP GLN ALA SEQRES 26 B 330 LEU ALA GLU GLN GLN HET VDN A 1 34 HET VDN B 1 34 HETNAM VDN 2-{2-ETHOXY-5-[(4-ETHYLPIPERAZIN-1-YL)SULFONYL]PHENYL}- HETNAM 2 VDN 5-METHYL-7-PROPYLIMIDAZO[5,1-F][1,2,4]TRIAZIN-4(1H)- HETNAM 3 VDN ONE HETSYN VDN VARDENAFIL, LEVITRA FORMUL 3 VDN 2(C23 H32 N6 O4 S) FORMUL 5 HOH *183(H2 O) HELIX 1 1 SER A 532 ALA A 546 1 15 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 CYS A 677 MET A 681 5 5 HELIX 10 10 PHE A 686 SER A 695 1 10 HELIX 11 11 SER A 705 THR A 723 1 19 HELIX 12 12 ASP A 724 LYS A 741 1 18 HELIX 13 13 ASP A 748 SER A 766 1 19 HELIX 14 14 ALA A 767 LYS A 770 5 4 HELIX 15 15 PRO A 771 ASP A 791 1 21 HELIX 16 16 LYS A 809 ASN A 811 5 3 HELIX 17 17 LYS A 812 ILE A 824 1 13 HELIX 18 18 CYS A 825 SER A 836 1 12 HELIX 19 19 CYS A 839 GLU A 858 1 20 HELIX 20 20 ARG B 538 ALA B 546 1 9 HELIX 21 21 SER B 550 LYS B 555 1 6 HELIX 22 22 SER B 567 LEU B 582 1 16 HELIX 23 23 ASN B 583 PHE B 588 1 6 HELIX 24 24 LYS B 591 ASN B 605 1 15 HELIX 25 25 ASN B 614 LYS B 630 1 17 HELIX 26 26 ILE B 634 LEU B 638 5 5 HELIX 27 27 THR B 639 HIS B 653 1 15 HELIX 28 28 PHE B 686 SER B 695 1 10 HELIX 29 29 SER B 705 THR B 723 1 19 HELIX 30 30 ASP B 724 LYS B 741 1 18 HELIX 31 31 ASP B 748 LEU B 765 1 18 HELIX 32 32 SER B 766 LYS B 770 5 5 HELIX 33 33 PRO B 771 PHE B 787 1 17 HELIX 34 34 LYS B 812 ILE B 824 1 13 HELIX 35 35 CYS B 825 SER B 836 1 12 HELIX 36 36 CYS B 839 GLU B 858 1 20 SITE 1 AC1 13 TYR A 612 HIS A 613 CYS A 677 ILE A 680 SITE 2 AC1 13 ILE A 768 ALA A 779 MET A 816 GLN A 817 SITE 3 AC1 13 PHE A 820 HOH A 865 HOH A 894 GLN B 854 SITE 4 AC1 13 GLU B 858 SITE 1 AC2 13 GLU A 858 HOH A 976 TYR B 612 HIS B 613 SITE 2 AC2 13 CYS B 677 ILE B 680 ILE B 768 ALA B 779 SITE 3 AC2 13 MET B 816 GLN B 817 PHE B 820 HOH B 867 SITE 4 AC2 13 HOH B 883 CRYST1 68.922 87.822 138.472 90.00 90.00 90.00 P 21 21 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 0.014509 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011387 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007222 0.00000