HEADER OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR 03-JUN-14 4QJC TITLE HUMAN DIHYDROFOLATE REDUCTASE TERNARY COMPLEX WITH NADPH AND INHIBITOR TITLE 2 26 (N~6~-METHYL-N~6~-(3,4,5-TRIFLUOROPHENYL)PYRIDO[2,3-D]PYRIMIDINE- TITLE 3 2,4,6-TRIAMINE) COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: HUMAN DIHYDROFOLATE REDUCTASE; COMPND 5 EC: 1.5.1.3; COMPND 6 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: DHFR; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: PDS5(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET-SUMO-HDHFR KEYWDS DIHYDROFOLATE REDUCTASE, INHIBITOR BINDING, ROSSMAN FOLD, HYDROLASE, KEYWDS 2 COFACTOR, OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR V.CODY REVDAT 4 20-SEP-23 4QJC 1 REMARK REVDAT 3 22-NOV-17 4QJC 1 REMARK REVDAT 2 01-JUL-15 4QJC 1 JRNL REVDAT 1 10-JUN-15 4QJC 0 JRNL AUTH V.CODY,J.PACE,O.A.NAMJOSHI,A.GANGJEE JRNL TITL STRUCTURE-ACTIVITY CORRELATIONS FOR THREE JRNL TITL 2 PYRIDO[2,3-D]PYRIMIDINE ANTIFOLATES BINDING TO HUMAN AND JRNL TITL 3 PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE. JRNL REF ACTA CRYSTALLOGR F STRUCT V. 71 799 2015 JRNL REF 2 BIOL COMMUN JRNL REFN ESSN 1744-3091 JRNL PMID 26057816 JRNL DOI 10.1107/S2053230X15008468 REMARK 2 REMARK 2 RESOLUTION. 1.62 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.6.0117 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.62 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.37 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 24614 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) : 0.185 REMARK 3 R VALUE (WORKING SET) : 0.183 REMARK 3 FREE R VALUE : 0.218 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1319 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.62 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.66 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1808 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 83.00 REMARK 3 BIN R VALUE (WORKING SET) : 0.2780 REMARK 3 BIN FREE R VALUE SET COUNT : 105 REMARK 3 BIN FREE R VALUE : 0.3370 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1502 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 71 REMARK 3 SOLVENT ATOMS : 105 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.25 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.093 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.094 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.066 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.932 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.965 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.955 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1614 ; 0.026 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2192 ; 2.524 ; 2.035 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 185 ; 6.832 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 71 ;36.530 ;24.789 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 286 ;14.744 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ;16.707 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 233 ; 0.184 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1209 ; 0.015 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN USED IF PRESENT IN REMARK 3 THE INPUT REMARK 4 REMARK 4 4QJC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-JUN-14. REMARK 100 THE DEPOSITION ID IS D_1000086127. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-JUN-13 REMARK 200 TEMPERATURE (KELVIN) : 113 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL11-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.975 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : PSI PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS, SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29910 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.530 REMARK 200 RESOLUTION RANGE LOW (A) : 34.400 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.06200 REMARK 200 R SYM (I) : 0.03900 REMARK 200 FOR THE DATA SET : 10.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.54 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.62 REMARK 200 COMPLETENESS FOR SHELL (%) : 83.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.75000 REMARK 200 R SYM FOR SHELL (I) : 0.92000 REMARK 200 FOR SHELL : 1.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 1U72 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.51 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% AMSO4, 3% V/V ETOH, PH 6.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 287K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 X+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 42.24300 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 24.38901 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 25.95733 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 42.24300 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 24.38901 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 25.95733 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 42.24300 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 24.38901 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 25.95733 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 48.77801 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 51.91467 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 48.77801 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 51.91467 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 48.77801 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 51.91467 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 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 ASP A 110 -94.44 -90.66 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 NDP A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IXE A 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4IXE RELATED DB: PDB REMARK 900 PCDHFR-26-NADPH REMARK 900 RELATED ID: 4QJZ RELATED DB: PDB DBREF 4QJC A 1 186 UNP P00374 DYR_HUMAN 2 187 SEQRES 1 A 186 VAL GLY SER LEU ASN CYS ILE VAL ALA VAL SER GLN ASN SEQRES 2 A 186 MET GLY ILE GLY LYS ASN GLY ASP LEU PRO TRP PRO PRO SEQRES 3 A 186 LEU ARG ASN GLU PHE ARG TYR PHE GLN ARG MET THR THR SEQRES 4 A 186 THR SER SER VAL GLU GLY LYS GLN ASN LEU VAL ILE MET SEQRES 5 A 186 GLY LYS LYS THR TRP PHE SER ILE PRO GLU LYS ASN ARG SEQRES 6 A 186 PRO LEU LYS GLY ARG ILE ASN LEU VAL LEU SER ARG GLU SEQRES 7 A 186 LEU LYS GLU PRO PRO GLN GLY ALA HIS PHE LEU SER ARG SEQRES 8 A 186 SER LEU ASP ASP ALA LEU LYS LEU THR GLU GLN PRO GLU SEQRES 9 A 186 LEU ALA ASN LYS VAL ASP MET VAL TRP ILE VAL GLY GLY SEQRES 10 A 186 SER SER VAL TYR LYS GLU ALA MET ASN HIS PRO GLY HIS SEQRES 11 A 186 LEU LYS LEU PHE VAL THR ARG ILE MET GLN ASP PHE GLU SEQRES 12 A 186 SER ASP THR PHE PHE PRO GLU ILE ASP LEU GLU LYS TYR SEQRES 13 A 186 LYS LEU LEU PRO GLU TYR PRO GLY VAL LEU SER ASP VAL SEQRES 14 A 186 GLN GLU GLU LYS GLY ILE LYS TYR LYS PHE GLU VAL TYR SEQRES 15 A 186 GLU LYS ASN ASP HET NDP A 201 48 HET IXE A 202 23 HETNAM NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NDP PHOSPHATE HETNAM IXE N~6~-METHYL-N~6~-(3,4,5-TRIFLUOROPHENYL)PYRIDO[2,3- HETNAM 2 IXE D]PYRIMIDINE-2,4,6-TRIAMINE FORMUL 2 NDP C21 H30 N7 O17 P3 FORMUL 3 IXE C14 H11 F3 N6 FORMUL 4 HOH *105(H2 O) HELIX 1 1 LEU A 27 THR A 40 1 14 HELIX 2 2 LYS A 54 ILE A 60 1 7 HELIX 3 3 PRO A 61 ARG A 65 5 5 HELIX 4 4 SER A 92 GLN A 102 1 11 HELIX 5 5 SER A 118 ASN A 126 1 9 SHEET 1 A 8 PHE A 88 SER A 90 0 SHEET 2 A 8 ILE A 71 LEU A 75 1 N VAL A 74 O PHE A 88 SHEET 3 A 8 GLN A 47 GLY A 53 1 N VAL A 50 O LEU A 73 SHEET 4 A 8 VAL A 109 ILE A 114 1 O TRP A 113 N ILE A 51 SHEET 5 A 8 LEU A 4 SER A 11 1 N ASN A 5 O ILE A 114 SHEET 6 A 8 HIS A 130 ILE A 138 1 O PHE A 134 N CYS A 6 SHEET 7 A 8 ILE A 175 ASN A 185 -1 O LYS A 178 N ARG A 137 SHEET 8 A 8 LYS A 157 LEU A 158 -1 N LYS A 157 O GLU A 183 SHEET 1 B 8 PHE A 88 SER A 90 0 SHEET 2 B 8 ILE A 71 LEU A 75 1 N VAL A 74 O PHE A 88 SHEET 3 B 8 GLN A 47 GLY A 53 1 N VAL A 50 O LEU A 73 SHEET 4 B 8 VAL A 109 ILE A 114 1 O TRP A 113 N ILE A 51 SHEET 5 B 8 LEU A 4 SER A 11 1 N ASN A 5 O ILE A 114 SHEET 6 B 8 HIS A 130 ILE A 138 1 O PHE A 134 N CYS A 6 SHEET 7 B 8 ILE A 175 ASN A 185 -1 O LYS A 178 N ARG A 137 SHEET 8 B 8 GLN A 170 GLU A 172 -1 N GLN A 170 O TYR A 177 SHEET 1 C 2 GLY A 15 GLY A 17 0 SHEET 2 C 2 THR A 146 PHE A 147 -1 O THR A 146 N ILE A 16 CISPEP 1 ARG A 65 PRO A 66 0 0.96 CISPEP 2 GLY A 116 GLY A 117 0 0.06 SITE 1 AC1 25 VAL A 8 ALA A 9 ILE A 16 GLY A 20 SITE 2 AC1 25 ASP A 21 LEU A 22 GLY A 53 LYS A 54 SITE 3 AC1 25 LYS A 55 THR A 56 LEU A 75 SER A 76 SITE 4 AC1 25 ARG A 77 GLU A 78 ARG A 91 SER A 92 SITE 5 AC1 25 VAL A 115 GLY A 117 SER A 118 SER A 119 SITE 6 AC1 25 VAL A 120 TYR A 121 THR A 146 IXE A 202 SITE 7 AC1 25 HOH A 323 SITE 1 AC2 12 ILE A 7 VAL A 8 ALA A 9 ASP A 21 SITE 2 AC2 12 LEU A 22 GLU A 30 PHE A 34 SER A 59 SITE 3 AC2 12 PRO A 61 TYR A 121 THR A 136 NDP A 201 CRYST1 84.486 84.486 77.872 90.00 90.00 120.00 H 3 9 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 0.011836 0.006834 0.000000 0.00000 SCALE2 0.000000 0.013667 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012842 0.00000