HEADER HYDROLASE/HYDROLASE INHIBITOR 17-AUG-11 3TGG TITLE A NOVEL SERIES OF POTENT AND SELECTIVE PDE5 INHIBITOR2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CGMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC RESIDUES 534-858; COMPND 5 SYNONYM: CGMP-BINDING CGMP-SPECIFIC PHOSPHODIESTERASE, CGB-PDE; COMPND 6 EC: 3.1.4.35; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: 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: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS KEYWDS PHOSPHODIESTERASE, HYDROLASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.HAN REVDAT 2 28-FEB-24 3TGG 1 REMARK SEQADV LINK REVDAT 1 25-JAN-12 3TGG 0 JRNL AUTH R.O.HUGHES,T.MADDUX,D.JOSEPH ROGIER,S.LU,J.K.WALKER, JRNL AUTH 2 E.JON JACOBSEN,J.M.RUMSEY,Y.ZHENG,A.MACINNES,B.R.BOND,S.HAN JRNL TITL INVESTIGATION OF THE PYRAZINONES AS PDE5 INHIBITORS: JRNL TITL 2 EVALUATION OF REGIOISOMERIC PROJECTIONS INTO THE SOLVENT JRNL TITL 3 REGION. JRNL REF BIOORG.MED.CHEM.LETT. V. 21 6348 2011 JRNL REFN ISSN 0960-894X JRNL PMID 21955943 JRNL DOI 10.1016/J.BMCL.2011.08.106 REMARK 2 REMARK 2 RESOLUTION. 1.91 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.1 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.91 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 23475 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 + TEST SET) : 0.188 REMARK 3 R VALUE (WORKING SET) : 0.186 REMARK 3 FREE R VALUE : 0.229 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.140 REMARK 3 FREE R VALUE TEST SET COUNT : 1206 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 : 12 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 1.91 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.00 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.01 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2855 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.1859 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2726 REMARK 3 BIN R VALUE (WORKING SET) : 0.1845 REMARK 3 BIN FREE R VALUE : 0.2127 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.52 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 129 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 : 2619 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 34 REMARK 3 SOLVENT ATOMS : 179 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.94 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.89 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 7.06330 REMARK 3 B22 (A**2) : 0.21810 REMARK 3 B33 (A**2) : -7.28140 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -1.02410 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.202 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : NULL REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.173 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : NULL REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.926 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.886 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 2733 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 3719 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 983 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 80 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 409 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 2733 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : 11 ; 5.000 ; SEMIHARMONIC REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 355 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 3185 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 0.93 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.68 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 17.14 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: A 536 A 858 REMARK 3 ORIGIN FOR THE GROUP (A): 9.1174 -0.0514 19.2751 REMARK 3 T TENSOR REMARK 3 T11: -0.0269 T22: -0.0309 REMARK 3 T33: -0.0522 T12: -0.0134 REMARK 3 T13: -0.0140 T23: 0.0095 REMARK 3 L TENSOR REMARK 3 L11: 0.6725 L22: 1.0780 REMARK 3 L33: 0.5355 L12: -0.3433 REMARK 3 L13: -0.1516 L23: 0.3473 REMARK 3 S TENSOR REMARK 3 S11: 0.0260 S12: 0.0594 S13: 0.0553 REMARK 3 S21: -0.0235 S22: 0.0077 S23: -0.0466 REMARK 3 S31: -0.0141 S32: -0.0082 S33: -0.0338 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3TGG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-AUG-11. REMARK 100 THE DEPOSITION ID IS D_1000067450. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-NOV-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID 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 : MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23482 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.903 REMARK 200 RESOLUTION RANGE LOW (A) : 31.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 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) : 1.91 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.0 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: FOURIER SYNTHESIS 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 (%): 40.83 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M MGSO4, 10-15%PEG3350, TRIS, PH REMARK 280 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 27.24650 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.25400 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 27.24650 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 38.25400 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: 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 GLU A 534 REMARK 465 GLU A 535 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 -77.31 -84.18 REMARK 500 SER A 680 50.95 39.84 REMARK 500 TRP A 772 -57.56 -29.82 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 864 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 7 O REMARK 620 2 HIS A 617 NE2 144.4 REMARK 620 3 HIS A 653 NE2 104.4 109.4 REMARK 620 4 ASP A 654 OD2 93.1 96.0 93.2 REMARK 620 5 ASP A 764 OD1 85.2 81.7 93.7 173.1 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 865 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 7 O REMARK 620 2 HOH A 60 O 78.5 REMARK 620 3 HOH A 70 O 106.3 54.1 REMARK 620 4 HOH A 111 O 158.0 83.7 72.4 REMARK 620 5 HOH A 266 O 99.5 153.7 102.8 102.2 REMARK 620 6 ASP A 654 OD1 82.3 127.6 171.2 98.9 77.2 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 ZN A 864 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 865 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 0H3 A 999 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3TGE RELATED DB: PDB REMARK 900 PDE5 DBREF 3TGG A 534 858 UNP O76074 PDE5A_HUMAN 534 858 SEQADV 3TGG PRO A 658 UNP O76074 ARG 658 ENGINEERED MUTATION SEQADV 3TGG SER A 661 UNP O76074 EXPRESSION TAG SEQADV 3TGG GLN A 663 UNP O76074 ASN 662 ENGINEERED MUTATION SEQADV 3TGG PHE A 664 UNP O76074 SER 663 ENGINEERED MUTATION SEQADV 3TGG LEU A 665 UNP O76074 TYR 664 ENGINEERED MUTATION SEQADV 3TGG ASN A 667 UNP O76074 EXPRESSION TAG SEQADV 3TGG THR A 668 UNP O76074 GLN 666 ENGINEERED MUTATION SEQADV 3TGG ASN A 669 UNP O76074 ARG 667 ENGINEERED MUTATION SEQADV 3TGG A UNP O76074 HIS 670 DELETION SEQADV 3TGG A UNP O76074 PRO 671 DELETION SEQADV 3TGG LEU A 674 UNP O76074 GLN 674 ENGINEERED MUTATION SEQADV 3TGG MET A 675 UNP O76074 LEU 675 ENGINEERED MUTATION SEQADV 3TGG ASN A 677 UNP O76074 EXPRESSION TAG SEQADV 3TGG ASP A 678 UNP O76074 CYS 677 ENGINEERED MUTATION SEQADV 3TGG GLU A 679 UNP O76074 HIS 678 ENGINEERED MUTATION SEQADV 3TGG VAL A 681 UNP O76074 ILE 680 ENGINEERED MUTATION SEQADV 3TGG LEU A 681A UNP O76074 MET 681 ENGINEERED MUTATION SEQADV 3TGG GLU A 751 UNP O76074 GLN 751 ENGINEERED MUTATION SEQRES 1 A 326 GLU GLU GLU THR ARG GLU LEU GLN SER LEU ALA ALA ALA SEQRES 2 A 326 VAL VAL PRO SER ALA GLN THR LEU LYS ILE THR ASP PHE SEQRES 3 A 326 SER PHE SER ASP PHE GLU LEU SER ASP LEU GLU THR ALA SEQRES 4 A 326 LEU CYS THR ILE ARG MET PHE THR ASP LEU ASN LEU VAL SEQRES 5 A 326 GLN ASN PHE GLN MET LYS HIS GLU VAL LEU CYS ARG TRP SEQRES 6 A 326 ILE LEU SER VAL LYS LYS ASN TYR ARG LYS ASN VAL ALA SEQRES 7 A 326 TYR HIS ASN TRP ARG HIS ALA PHE ASN THR ALA GLN CYS SEQRES 8 A 326 MET PHE ALA ALA LEU LYS ALA GLY LYS ILE GLN ASN LYS SEQRES 9 A 326 LEU THR ASP LEU GLU ILE LEU ALA LEU LEU ILE ALA ALA SEQRES 10 A 326 LEU SER HIS ASP LEU ASP HIS PRO GLY VAL SER ASN GLN SEQRES 11 A 326 PHE LEU ILE ASN THR ASN SER GLU LEU ALA LEU MET TYR SEQRES 12 A 326 ASN ASP GLU SER VAL LEU GLU HIS HIS HIS PHE ASP GLN SEQRES 13 A 326 CYS LEU MET ILE LEU ASN SER PRO GLY ASN GLN ILE LEU SEQRES 14 A 326 SER GLY LEU SER ILE GLU GLU TYR LYS THR THR LEU LYS SEQRES 15 A 326 ILE ILE LYS GLN ALA ILE LEU ALA THR ASP LEU ALA LEU SEQRES 16 A 326 TYR ILE LYS ARG ARG GLY GLU PHE PHE GLU LEU ILE ARG SEQRES 17 A 326 LYS ASN GLN PHE ASN LEU GLU ASP PRO HIS GLU LYS GLU SEQRES 18 A 326 LEU PHE LEU ALA MET LEU MET THR ALA CYS ASP LEU SER SEQRES 19 A 326 ALA ILE THR LYS PRO TRP PRO ILE GLN GLN ARG ILE ALA SEQRES 20 A 326 GLU LEU VAL ALA THR GLU PHE PHE ASP GLN GLY ASP ARG SEQRES 21 A 326 GLU ARG LYS GLU LEU ASN ILE GLU PRO THR ASP LEU MET SEQRES 22 A 326 ASN ARG GLU LYS LYS ASN LYS ILE PRO SER MET GLN VAL SEQRES 23 A 326 GLY PHE ILE ASP ALA ILE CYS LEU GLN LEU TYR GLU ALA SEQRES 24 A 326 LEU THR HIS VAL SER GLU ASP CYS PHE PRO LEU LEU ASP SEQRES 25 A 326 GLY CYS ARG LYS ASN ARG GLN LYS TRP GLN ALA LEU ALA SEQRES 26 A 326 GLU HET ZN A 864 1 HET MG A 865 1 HET 0H3 A 999 63 HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION HETNAM 0H3 7-(6-METHOXYPYRIDIN-3-YL)-4-{[2-(PROPAN-2-YLOXY) HETNAM 2 0H3 ETHYL]AMINO}-1-(2-PROPOXYETHYL)PYRIDO[4,3-D]PYRIMIDIN- HETNAM 3 0H3 2(1H)-ONE FORMUL 2 ZN ZN 2+ FORMUL 3 MG MG 2+ FORMUL 4 0H3 C23 H31 N5 O4 FORMUL 5 HOH *179(H2 O) HELIX 1 1 GLU A 536 ALA A 545 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 ALA A 631 1 18 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 661 THR A 668 1 8 HELIX 10 10 SER A 670 TYR A 676 1 7 HELIX 11 11 SER A 680 SER A 695 1 17 HELIX 12 12 SER A 705 ALA A 722 1 18 HELIX 13 13 ASP A 724 LYS A 741 1 18 HELIX 14 14 ASP A 748 LEU A 765 1 18 HELIX 15 15 SER A 766 LYS A 770 5 5 HELIX 16 16 PRO A 771 LEU A 797 1 27 HELIX 17 17 THR A 802 ASN A 811 5 10 HELIX 18 18 LYS A 812 ILE A 824 1 13 HELIX 19 19 CYS A 825 SER A 836 1 12 HELIX 20 20 CYS A 839 GLU A 858 1 20 LINK O HOH A 7 ZN ZN A 864 1555 1555 2.22 LINK O HOH A 7 MG MG A 865 1555 1555 2.42 LINK O HOH A 60 MG MG A 865 1555 1555 2.71 LINK O HOH A 70 MG MG A 865 1555 1555 2.24 LINK O HOH A 111 MG MG A 865 1555 1555 2.27 LINK O HOH A 266 MG MG A 865 1555 1555 1.96 LINK NE2 HIS A 617 ZN ZN A 864 1555 1555 2.07 LINK NE2 HIS A 653 ZN ZN A 864 1555 1555 2.08 LINK OD2 ASP A 654 ZN ZN A 864 1555 1555 2.22 LINK OD1 ASP A 654 MG MG A 865 1555 1555 2.30 LINK OD1 ASP A 764 ZN ZN A 864 1555 1555 2.21 SITE 1 AC1 5 HOH A 7 HIS A 617 HIS A 653 ASP A 654 SITE 2 AC1 5 ASP A 764 SITE 1 AC2 6 HOH A 7 HOH A 60 HOH A 70 HOH A 111 SITE 2 AC2 6 HOH A 266 ASP A 654 SITE 1 AC3 15 HOH A 83 HOH A 94 HOH A 286 ALA A 545 SITE 2 AC3 15 VAL A 547 ILE A 729 ALA A 767 ILE A 768 SITE 3 AC3 15 GLN A 775 ALA A 779 LEU A 804 MET A 816 SITE 4 AC3 15 GLN A 817 PHE A 820 ILE A 824 CRYST1 54.493 76.508 76.811 90.00 102.42 90.00 C 1 2 1 4 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 0.018351 0.000000 0.004041 0.00000 SCALE2 0.000000 0.013071 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013331 0.00000