HEADER OXIDOREDUCTASE 14-JUL-10 3NXO TITLE PERFERENTIAL SELECTION OF ISOMER BINDING FROM CHIRAL MIXTURES: TITLE 2 ALTERNATE BINDING MODES OBSERVED FOR THE E- AND Z-ISOMERS OF A SERIES TITLE 3 OF 5-SUBSTITUTED 2,4-DIAMINOFURO[2,3-D]PYRIMIDINES AS TERNARY TITLE 4 COMPLEXES WITH NADPH AND HUMAN DIHYDROFOLATE REDUCTASE 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: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: DHFR, DHFRP1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS E-Z-ISOMERS BINDING PREFERENCES, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR V.CODY REVDAT 4 06-SEP-23 3NXO 1 REMARK SEQADV REVDAT 3 08-NOV-17 3NXO 1 REMARK REVDAT 2 21-MAR-12 3NXO 1 JRNL VERSN REVDAT 1 01-DEC-10 3NXO 0 JRNL AUTH V.CODY,J.PIRAINO,J.PACE,W.LI,A.GANGJEE JRNL TITL PREFERENTIAL SELECTION OF ISOMER BINDING FROM CHIRAL JRNL TITL 2 MIXTURES: ALTERNATE BINDING MODES OBSERVED FOR THE E AND Z JRNL TITL 3 ISOMERS OF A SERIES OF 5-SUBSTITUTED JRNL TITL 4 2,4-DIAMINOFURO[2,3-D]PYRIMIDINES AS TERNARY COMPLEXES WITH JRNL TITL 5 NADPH AND HUMAN DIHYDROFOLATE REDUCTASE. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 66 1271 2010 JRNL REFN ISSN 0907-4449 JRNL PMID 21123866 JRNL DOI 10.1107/S0907444910035808 REMARK 2 REMARK 2 RESOLUTION. 1.35 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) : 1.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.62 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 42917 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) : 0.192 REMARK 3 R VALUE (WORKING SET) : 0.191 REMARK 3 FREE R VALUE : 0.209 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2276 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) : 1.35 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.39 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3163 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.2920 REMARK 3 BIN FREE R VALUE SET COUNT : 176 REMARK 3 BIN FREE R VALUE : 0.3470 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1504 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 97 REMARK 3 SOLVENT ATOMS : 165 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.68 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) : 0.01000 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): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.059 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.035 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.822 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.960 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.956 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1686 ; 0.034 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2301 ; 2.788 ; 2.049 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 197 ; 7.071 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 73 ;37.888 ;24.932 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 296 ;14.454 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ;18.495 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 241 ; 0.176 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1267 ; 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): 965 ; 1.492 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1576 ; 2.491 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 721 ; 3.618 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 725 ; 5.297 ; 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 : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3NXO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUL-10. REMARK 100 THE DEPOSITION ID IS D_1000060408. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-DEC-08 REMARK 200 TEMPERATURE (KELVIN) : 200.0 REMARK 200 PH : 6.9 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 : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 45197 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.350 REMARK 200 RESOLUTION RANGE LOW (A) : 26.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 8.700 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : 0.02500 REMARK 200 FOR THE DATA SET : 18.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 8.20 REMARK 200 R MERGE FOR SHELL (I) : 0.50000 REMARK 200 R SYM FOR SHELL (I) : 0.17000 REMARK 200 FOR SHELL : 4.400 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 1U70.PDB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.51 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.49 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: K2PO4 WITH 30% SATURATED AMMONIUM REMARK 280 SULFATE WITH 3% V/V ETHANOL, PH 6.9, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 298K 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 42.07500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 24.29201 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 25.98933 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 42.07500 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 24.29201 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 25.98933 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 42.07500 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 24.29201 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 25.98933 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 48.58403 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 51.97867 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 48.58403 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 51.97867 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 48.58403 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 51.97867 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: 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 CB THR A 146 O HOH A 344 1.32 REMARK 500 OG1 THR A 146 O HOH A 344 1.98 REMARK 500 O ARG A 63 N ARG A 65 2.13 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 195 O HOH A 334 6555 1.34 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 MET A 14 SD MET A 14 CE -0.411 REMARK 500 ARG A 63 C ARG A 63 O -0.125 REMARK 500 MET A 111 SD MET A 111 CE -0.487 REMARK 500 TYR A 156 CE1 TYR A 156 CZ -0.082 REMARK 500 REMARK 500 REMARK: NULL 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 22 CB - CG - CD1 ANGL. DEV. = -17.0 DEGREES REMARK 500 ARG A 65 NE - CZ - NH1 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 65 NE - CZ - NH2 ANGL. DEV. = 3.8 DEGREES REMARK 500 MET A 139 CG - SD - CE ANGL. DEV. = -17.1 DEGREES REMARK 500 ASP A 168 CB - CG - OD2 ANGL. DEV. = 8.2 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 ARG A 63 -133.57 -63.91 REMARK 500 ASN A 64 -20.47 40.57 REMARK 500 ASP A 110 -99.28 -90.85 REMARK 500 MET A 139 37.18 -88.61 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 D2B A 187 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 188 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 189 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 190 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 191 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 192 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP A 193 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3NXR RELATED DB: PDB REMARK 900 RELATED ID: 3NXT RELATED DB: PDB REMARK 900 RELATED ID: 3NXV RELATED DB: PDB REMARK 900 RELATED ID: 3NXX RELATED DB: PDB REMARK 900 RELATED ID: 3NXY RELATED DB: PDB REMARK 900 RELATED ID: 3NZ6 RELATED DB: PDB REMARK 900 RELATED ID: 3NZ9 RELATED DB: PDB REMARK 900 RELATED ID: 3NZA RELATED DB: PDB REMARK 900 RELATED ID: 3NZB RELATED DB: PDB REMARK 900 RELATED ID: 3NZC RELATED DB: PDB REMARK 900 RELATED ID: 3NZD RELATED DB: PDB REMARK 900 RELATED ID: 3GYF RELATED DB: PDB REMARK 900 Z-ISOMER WITH HDHFR REMARK 900 RELATED ID: 3D7Y RELATED DB: PDB REMARK 900 Z-ISOMER WITH MOUSE DHFR REMARK 900 RELATED ID: 3D7X RELATED DB: PDB REMARK 900 E-ISOMER WITH MOUSE DHFR DBREF 3NXO A 1 186 UNP P00374 DYR_HUMAN 2 187 SEQADV 3NXO ARG A 63 UNP P00374 LYS 64 CONFLICT 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 ARG 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 D2B A 187 24 HET SO4 A 188 5 HET SO4 A 189 5 HET SO4 A 190 5 HET SO4 A 191 5 HET SO4 A 192 5 HET NDP A 193 48 HETNAM D2B 5-[(1Z)-2-(2-METHOXYPHENYL)-3-METHYLBUT-1-EN-1- HETNAM 2 D2B YL]FURO[2,3-D]PYRIMIDINE-2,4-DIAMINE HETNAM SO4 SULFATE ION HETNAM NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NDP PHOSPHATE FORMUL 2 D2B C18 H20 N4 O2 FORMUL 3 SO4 5(O4 S 2-) FORMUL 8 NDP C21 H30 N7 O17 P3 FORMUL 9 HOH *165(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 SER A 92 GLN A 102 1 11 HELIX 4 4 GLY A 117 ASN A 126 1 10 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 ILE A 71 SHEET 4 A 8 VAL A 109 ILE A 114 1 O TRP A 113 N LEU A 49 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 TYR A 182 N LEU A 133 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 ILE A 71 SHEET 4 B 8 VAL A 109 ILE A 114 1 O TRP A 113 N LEU A 49 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 TYR A 182 N LEU A 133 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 10.04 CISPEP 2 GLY A 116 GLY A 117 0 8.03 SITE 1 AC1 12 ILE A 7 VAL A 8 ALA A 9 GLU A 30 SITE 2 AC1 12 PHE A 31 PHE A 34 THR A 56 SER A 59 SITE 3 AC1 12 ILE A 60 VAL A 115 THR A 136 NDP A 193 SITE 1 AC2 3 GLU A 62 ARG A 65 HOH A 296 SITE 1 AC3 4 LYS A 122 PRO A 149 GLU A 150 HOH A 259 SITE 1 AC4 5 GLU A 143 SER A 167 SO4 A 191 HOH A 284 SITE 2 AC4 5 HOH A 313 SITE 1 AC5 4 GLU A 143 LEU A 166 SER A 167 SO4 A 190 SITE 1 AC6 7 SER A 118 THR A 146 LYS A 178 NDP A 193 SITE 2 AC6 7 HOH A 220 HOH A 249 HOH A 349 SITE 1 AC7 36 VAL A 8 ALA A 9 ILE A 16 GLY A 17 SITE 2 AC7 36 GLY A 20 ASP A 21 LEU A 22 GLY A 53 SITE 3 AC7 36 LYS A 54 LYS A 55 THR A 56 SER A 59 SITE 4 AC7 36 LEU A 75 SER A 76 ARG A 77 GLU A 78 SITE 5 AC7 36 ARG A 91 SER A 92 VAL A 115 GLY A 116 SITE 6 AC7 36 GLY A 117 SER A 118 SER A 119 VAL A 120 SITE 7 AC7 36 TYR A 121 GLU A 123 D2B A 187 SO4 A 192 SITE 8 AC7 36 HOH A 206 HOH A 250 HOH A 252 HOH A 294 SITE 9 AC7 36 HOH A 298 HOH A 304 HOH A 330 HOH A 351 CRYST1 84.150 84.150 77.968 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 0.011884 0.006861 0.000000 0.00000 SCALE2 0.000000 0.013722 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012826 0.00000