HEADER OXIDOREDUCTASE 10-AUG-11 3TD8 TITLE STRUCTURAL ANALYSIS OF PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE TITLE 2 COMPLEX WITH NADPH AND 2,4-DIAMINO-5-METHYL-6-[2'-(4-CARBOXY-1- TITLE 3 PENTYNYL)-5'-METHOXYBENZYL]PYRIDO[2,3-D]PYRIMIDINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.5.1.3; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PNEUMOCYSTIS CARINII; SOURCE 3 ORGANISM_TAXID: 4754; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PETSUMO; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET-SUMO KEYWDS DIHYDROFOLATE REDUCTASE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR V.CODY,J.PACE,E.STEWART REVDAT 4 13-SEP-23 3TD8 1 REMARK REVDAT 3 20-NOV-13 3TD8 1 HET HETATM HETNAM HETSYN REVDAT 2 02-MAY-12 3TD8 1 JRNL REVDAT 1 11-APR-12 3TD8 0 JRNL AUTH V.CODY,J.PACE,E.STEWART JRNL TITL STRUCTURAL ANALYSIS OF PNEUMOCYSTIS CARINIIDIHYDROFOLATE JRNL TITL 2 REDUCTASE COMPLEXED WITH NADPH AND JRNL TITL 3 2,4-DIAMINO-6-[2-(5-CARBOXYPENT-1-YN-1-YL) JRNL TITL 4 -5-METHOXYBENZYL]-5-METHYLPYRIDO[2,3-D]PYRIMIDINE. JRNL REF ACTA CRYSTALLOGR.,SECT.F V. 68 418 2012 JRNL REFN ESSN 1744-3091 JRNL PMID 22505410 JRNL DOI 10.1107/S1744309112008688 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0088 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.97 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 95.6 REMARK 3 NUMBER OF REFLECTIONS : 15433 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) : 0.200 REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.259 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 823 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.85 REMARK 3 REFLECTION IN BIN (WORKING SET) : 810 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 70.01 REMARK 3 BIN R VALUE (WORKING SET) : 0.3380 REMARK 3 BIN FREE R VALUE SET COUNT : 49 REMARK 3 BIN FREE R VALUE : 0.4360 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1597 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 78 REMARK 3 SOLVENT ATOMS : 41 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.15 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : -0.01000 REMARK 3 B33 (A**2) : 0.01000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.01000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.164 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.161 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.123 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.988 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.964 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.936 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1722 ; 0.019 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2334 ; 2.334 ; 2.004 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 192 ; 7.307 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 72 ;30.993 ;22.778 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 302 ;19.444 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 11 ;18.047 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 251 ; 0.174 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1258 ; 0.011 ; 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): 975 ; 1.411 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1584 ; 2.430 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 759 ; 3.383 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 766 ; 4.974 ; 4.500 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 3TD8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-AUG-11. REMARK 100 THE DEPOSITION ID IS D_1000067338. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-APR-11 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 : BL9-2 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 : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 325 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15433 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 59.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.9 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : 0.04000 REMARK 200 FOR THE DATA SET : 10.7000 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: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 3CD2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.94 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.92 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 33% PEG 2K, 46 MM MES, PH 6.0, 100 MM REMARK 280 KCL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 273K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 21.31500 REMARK 290 SMTRY3 2 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 MET A 1 REMARK 465 ASN A 2 REMARK 465 GLN A 3 REMARK 465 GLN A 4 REMARK 465 GLU A 84 REMARK 465 SER A 85 REMARK 465 LEU A 86 REMARK 465 ASP A 87 REMARK 465 LEU A 88 REMARK 465 GLY A 89 REMARK 465 ASN A 90 REMARK 465 GLY A 91 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 LEU A 9 CB - CG - CD1 ANGL. DEV. = -10.7 DEGREES REMARK 500 VAL A 55 CG1 - CB - CG2 ANGL. DEV. = 10.0 DEGREES REMARK 500 LEU A 98 CB - CG - CD1 ANGL. DEV. = 11.1 DEGREES 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 ASN A 23 29.18 49.51 REMARK 500 PRO A 26 22.17 -76.17 REMARK 500 PRO A 44 112.81 -25.58 REMARK 500 TYR A 109 48.05 -106.55 REMARK 500 ASN A 118 -88.01 -96.60 REMARK 500 ASP A 149 54.46 -93.58 REMARK 500 ASP A 193 58.22 23.11 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE D2R A 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3CD2 RELATED DB: PDB DBREF 3TD8 A 1 206 UNP P16184 DYR_PNECA 1 206 SEQRES 1 A 206 MET ASN GLN GLN LYS SER LEU THR LEU ILE VAL ALA LEU SEQRES 2 A 206 THR THR SER TYR GLY ILE GLY ARG SER ASN SER LEU PRO SEQRES 3 A 206 TRP LYS LEU LYS LYS GLU ILE SER TYR PHE LYS ARG VAL SEQRES 4 A 206 THR SER PHE VAL PRO THR PHE ASP SER PHE GLU SER MET SEQRES 5 A 206 ASN VAL VAL LEU MET GLY ARG LYS THR TRP GLU SER ILE SEQRES 6 A 206 PRO LEU GLN PHE ARG PRO LEU LYS GLY ARG ILE ASN VAL SEQRES 7 A 206 VAL ILE THR ARG ASN GLU SER LEU ASP LEU GLY ASN GLY SEQRES 8 A 206 ILE HIS SER ALA LYS SER LEU ASP HIS ALA LEU GLU LEU SEQRES 9 A 206 LEU TYR ARG THR TYR GLY SER GLU SER SER VAL GLN ILE SEQRES 10 A 206 ASN ARG ILE PHE VAL ILE GLY GLY ALA GLN LEU TYR LYS SEQRES 11 A 206 ALA ALA MET ASP HIS PRO LYS LEU ASP ARG ILE MET ALA SEQRES 12 A 206 THR ILE ILE TYR LYS ASP ILE HIS CYS ASP VAL PHE PHE SEQRES 13 A 206 PRO LEU LYS PHE ARG ASP LYS GLU TRP SER SER VAL TRP SEQRES 14 A 206 LYS LYS GLU LYS HIS SER ASP LEU GLU SER TRP VAL GLY SEQRES 15 A 206 THR LYS VAL PRO HIS GLY LYS ILE ASN GLU ASP GLY PHE SEQRES 16 A 206 ASP TYR GLU PHE GLU MET TRP THR ARG ASP LEU HET NDP A 301 48 HET D2R A 302 30 HETNAM NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NDP PHOSPHATE HETNAM D2R 6-{2-[(2,4-DIAMINO-5-METHYLPYRIDO[2,3-D]PYRIMIDIN-6- HETNAM 2 D2R YL)METHYL]-4-METHOXYPHENYL}HEX-5-YNOIC ACID HETSYN D2R 2,4-DIAMINO--5-METHYL-6-[2'-(4-CARBOXY-1-PENTYNYL)-5'- HETSYN 2 D2R METHOXYBENZYL]PYRIDO[2,3-D]PYRIMIDINE FORMUL 2 NDP C21 H30 N7 O17 P3 FORMUL 3 D2R C22 H23 N5 O3 FORMUL 4 HOH *41(H2 O) HELIX 1 1 LEU A 29 SER A 41 1 13 HELIX 2 2 PRO A 44 SER A 48 5 5 HELIX 3 3 ARG A 59 ILE A 65 1 7 HELIX 4 4 PRO A 66 ARG A 70 5 5 HELIX 5 5 SER A 97 TYR A 109 1 13 HELIX 6 6 GLY A 125 ASP A 134 1 10 HELIX 7 7 ASP A 162 SER A 166 5 5 HELIX 8 8 LYS A 173 GLY A 182 1 10 SHEET 1 A 8 HIS A 93 ALA A 95 0 SHEET 2 A 8 ILE A 76 ILE A 80 1 N VAL A 79 O HIS A 93 SHEET 3 A 8 SER A 51 GLY A 58 1 N VAL A 55 O ILE A 76 SHEET 4 A 8 GLN A 116 VAL A 122 1 O ASN A 118 N MET A 52 SHEET 5 A 8 LEU A 7 THR A 14 1 N THR A 8 O VAL A 122 SHEET 6 A 8 LEU A 138 ILE A 146 1 O MET A 142 N LEU A 9 SHEET 7 A 8 PHE A 195 ARG A 204 -1 O GLU A 200 N ALA A 143 SHEET 8 A 8 TRP A 169 LYS A 171 -1 N LYS A 170 O THR A 203 SHEET 1 B 8 HIS A 93 ALA A 95 0 SHEET 2 B 8 ILE A 76 ILE A 80 1 N VAL A 79 O HIS A 93 SHEET 3 B 8 SER A 51 GLY A 58 1 N VAL A 55 O ILE A 76 SHEET 4 B 8 GLN A 116 VAL A 122 1 O ASN A 118 N MET A 52 SHEET 5 B 8 LEU A 7 THR A 14 1 N THR A 8 O VAL A 122 SHEET 6 B 8 LEU A 138 ILE A 146 1 O MET A 142 N LEU A 9 SHEET 7 B 8 PHE A 195 ARG A 204 -1 O GLU A 200 N ALA A 143 SHEET 8 B 8 ILE A 190 GLU A 192 -1 N GLU A 192 O PHE A 195 SHEET 1 C 2 GLY A 18 GLY A 20 0 SHEET 2 C 2 VAL A 154 PHE A 155 -1 O VAL A 154 N ILE A 19 CISPEP 1 ARG A 70 PRO A 71 0 -13.42 CISPEP 2 GLY A 124 GLY A 125 0 0.93 SITE 1 AC1 25 VAL A 11 ALA A 12 ILE A 19 GLY A 20 SITE 2 AC1 25 SER A 24 LEU A 25 GLY A 58 ARG A 59 SITE 3 AC1 25 LYS A 60 THR A 61 ILE A 80 THR A 81 SITE 4 AC1 25 ARG A 82 LYS A 96 ILE A 123 GLY A 125 SITE 5 AC1 25 ALA A 126 GLN A 127 LEU A 128 TYR A 129 SITE 6 AC1 25 ALA A 131 VAL A 154 D2R A 302 HOH A 435 SITE 7 AC1 25 HOH A 439 SITE 1 AC2 15 ILE A 10 VAL A 11 ALA A 12 SER A 24 SITE 2 AC2 15 LEU A 25 GLU A 32 ILE A 33 PHE A 36 SITE 3 AC2 15 SER A 64 PRO A 66 LEU A 72 ARG A 75 SITE 4 AC2 15 ILE A 123 TYR A 129 NDP A 301 CRYST1 36.123 42.630 59.894 90.00 95.20 90.00 P 1 21 1 2 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 0.027683 0.000000 0.002519 0.00000 SCALE2 0.000000 0.023458 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016765 0.00000