HEADER OXIDOREDUCTASE 22-MAR-01 1IA2 TITLE CANDIDA ALBICANS DIHYDROFOLATE REDUCTASE COMPLEXED WITH DIHYDRO- TITLE 2 NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE (NADPH) AND 5-[(4- TITLE 3 METHYLPHENYL)SULFANYL]-2,4-QUINAZOLINEDIAMINE (GW578) COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 1.5.1.3; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CANDIDA ALBICANS; SOURCE 3 ORGANISM_TAXID: 5476; SOURCE 4 GENE: DFR1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: P1869 KEYWDS OXIDOREDUCTASE, ANTIFUNGAL TARGET, REDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR M.WHITLOW,A.J.HOWARD,L.F.KUYPER REVDAT 5 09-AUG-23 1IA2 1 REMARK REVDAT 4 04-OCT-17 1IA2 1 REMARK REVDAT 3 24-FEB-09 1IA2 1 VERSN REVDAT 2 05-APR-05 1IA2 1 JRNL REVDAT 1 11-APR-01 1IA2 0 JRNL AUTH M.WHITLOW,A.J.HOWARD,D.STEWART,K.D.HARDMAN,J.H.CHAN, JRNL AUTH 2 D.P.BACCANARI,R.L.TANSIK,J.S.HONG,L.F.KUYPER JRNL TITL X-RAY CRYSTAL STRUCTURES OF CANDIDA ALBICANS DIHYDROFOLATE JRNL TITL 2 REDUCTASE: HIGH RESOLUTION TERNARY COMPLEXES IN WHICH THE JRNL TITL 3 DIHYDRONICOTINAMIDE MOIETY OF NADPH IS DISPLACED BY AN JRNL TITL 4 INHIBITOR JRNL REF J.MED.CHEM. V. 44 2928 2001 JRNL REFN ISSN 0022-2623 JRNL PMID 11520201 JRNL DOI 10.1021/JM0101444 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.WHITLOW,A.J.HOWARD,D.STEWART,K.D.HARDMAN,L.F.KUYPER, REMARK 1 AUTH 2 D.P.BACCANARI,M.E.FLING,R.L.TANSIK REMARK 1 TITL X-RAY CRYSTALLOGRAPHIC STUDIES OF CANDIDA ALBICANS REMARK 1 TITL 2 DIHYDROFOLATE REDUCTASE. HIGH RESOLUTION STRUCTURES OF THE REMARK 1 TITL 3 HOLOENZYME AND AN INHIBITED TERNARY COMPLEX. REMARK 1 REF J.BIOL.CHEM. V. 272 30289 1997 REMARK 1 REFN ISSN 0021-9258 REMARK 1 DOI 10.1074/JBC.272.48.30289 REMARK 1 REFERENCE 2 REMARK 1 AUTH J.H.CHAN,J.S.HONG,L.F.KUYPER,D.P.BACCANARI,S.S.JOYNER, REMARK 1 AUTH 2 R.L.TANSIK,C.M.BOYTOS,S.K.RUDOLPH REMARK 1 TITL SELECTIVE INHIBITORS OF CANDIDA ALBICANS DIHYDROFOLATE REMARK 1 TITL 2 REDUCTASE: ACTIVITY AND SELECTIVITY OF REMARK 1 TITL 3 5-(ARYLTHIO)-2,4-DIAMINOQUINAZOLINES REMARK 1 REF J.MED.CHEM. V. 38 3608 1995 REMARK 1 REFN ISSN 0022-2623 REMARK 1 REFERENCE 3 REMARK 1 AUTH D.P.BACCANARI,R.L.TANSIK,S.S.JOYNER,M.E.FLING,P.L.SMITH, REMARK 1 AUTH 2 J.H.FREISHEIM REMARK 1 TITL CHARACTERIZATION OF CANDIDA ALBICANS DIHYDROFOLATE REDUCTASE REMARK 1 REF J.BIOL.CHEM. V. 264 1100 1989 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. 1.82 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROFFT REMARK 3 AUTHORS : KONNERT,HENDRICKSON,FINZEL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.82 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.5 REMARK 3 NUMBER OF REFLECTIONS : 31067 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.160 REMARK 3 R VALUE (WORKING SET) : 0.160 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 35749 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3114 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 160 REMARK 3 SOLVENT ATOMS : 333 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 30.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.021 ; 0.030 REMARK 3 ANGLE DISTANCE (A) : 0.032 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.038 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; 0.100 REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.020 ; 0.030 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.247 ; 0.300 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.166 ; 0.200 REMARK 3 MULTIPLE TORSION (A) : 0.148 ; 0.200 REMARK 3 H-BOND (X...Y) (A) : 0.133 ; 0.200 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; 0.200 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; 6.000 REMARK 3 PLANAR (DEGREES) : 3.600 ; 6.000 REMARK 3 STAGGERED (DEGREES) : 14.600; 10.000 REMARK 3 TRANSVERSE (DEGREES) : 30.600; 10.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 4.215 ; 1.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.682 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 5.522 ; 2.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.486 ; 5.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: RESTRAIN LEAST-SQUARES PROCEDURE. REMARK 4 REMARK 4 1IA2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 99 REMARK 99 HET GROUPS NDP 193, TQ4 194, AND MES 201 ARE REMARK 99 ASSOCIATED WITH PROTEIN CHAIN A. HET GROUPS NDP REMARK 99 195, TQ4 196, AND MES 202 ARE ASSOCIATED WITH REMARK 99 PROTEIN CHAIN B. REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-MAR-01. REMARK 100 THE DEPOSITION ID IS D_1000013093. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-FEB-89 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : ELLIOTT GX-21 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : HUBER GRAPHITE MONOCHROMATOR REMARK 200 OPTICS : MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : XENTRONICS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : X-GEN REMARK 200 DATA SCALING SOFTWARE : X-GEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35749 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.760 REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.5 REMARK 200 DATA REDUNDANCY : 3.830 REMARK 200 R MERGE (I) : 0.07610 REMARK 200 R SYM (I) : 0.07610 REMARK 200 FOR THE DATA SET : 12.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.76 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.87 REMARK 200 COMPLETENESS FOR SHELL (%) : 69.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.17 REMARK 200 R MERGE FOR SHELL (I) : 0.29830 REMARK 200 R SYM FOR SHELL (I) : 0.29830 REMARK 200 FOR SHELL : 1.820 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIRECT REPLACEMENT REMARK 200 SOFTWARE USED: FRODO REMARK 200 STARTING MODEL: CANDIDA ALBICANS DHFR (PDB ENTRY 1AI9) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DIHYDRO-NICOTINAMIDE-ADENINE- REMARK 280 DINUCLEOTIDE PHOSPHATE (NADPH), 5-[(4-METHYLPHENYL) SULFANYL]-2, REMARK 280 4-QUINAZOLINEDIAMINE (GW578), PEG-3350, POTASSIUM 4- REMARK 280 MORPHILINEETHANESULFONIC ACID (MES), DITHIOTHREITOL (DTT). A REMARK 280 THREE-FOLD EXCESS OF GW578 AND THREE-FOLD EXCESS OF NADPH WAS REMARK 280 ADDED TO THE C. ALBICANS DHFR SOLUTION AND LET STAND 277K REMARK 280 OVERNIGHT. 17-20 MG/ML C. ALBICANS DHFR IN 50 UM GW578, 50 UM REMARK 280 NADPH, 20 MM KMES, 1 MM DTT, PH 6.5 WAS MIXED WITH AN EQUAL PART REMARK 280 OF 26 - 34% PEG-3350, THE RESERVOIR SOLUTION. , VAPOR DIFFUSION, REMARK 280 HANGING DROP 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 33.64000 REMARK 290 SMTRY3 2 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 300 REMARK: CANDIDA DHFR IS ACTIVE AS A MONOMER. 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 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 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 22 CG CD CE NZ REMARK 470 LYS A 45 CG CD CE NZ REMARK 470 ASP A 105 CG OD1 OD2 REMARK 470 LYS B 45 NZ REMARK 470 LYS B 192 CE NZ 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 ARG A 28 CD - NE - CZ ANGL. DEV. = 13.5 DEGREES REMARK 500 ARG A 30 NE - CZ - NH1 ANGL. DEV. = 6.3 DEGREES REMARK 500 ARG A 30 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 TYR A 35 CB - CG - CD2 ANGL. DEV. = -3.8 DEGREES REMARK 500 TYR A 35 CB - CG - CD1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG A 42 CA - CB - CG ANGL. DEV. = 14.8 DEGREES REMARK 500 ARG A 42 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 42 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 49 NE - CZ - NH2 ANGL. DEV. = -3.0 DEGREES REMARK 500 ARG A 56 CD - NE - CZ ANGL. DEV. = 11.4 DEGREES REMARK 500 ARG A 56 NE - CZ - NH2 ANGL. DEV. = 4.7 DEGREES REMARK 500 ARG A 67 NE - CZ - NH1 ANGL. DEV. = 7.0 DEGREES REMARK 500 ARG A 67 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 ARG A 72 NE - CZ - NH1 ANGL. DEV. = 7.8 DEGREES REMARK 500 ARG A 72 NE - CZ - NH2 ANGL. DEV. = -4.7 DEGREES REMARK 500 ARG A 79 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG A 79 NE - CZ - NH1 ANGL. DEV. = 7.1 DEGREES REMARK 500 ARG A 79 NE - CZ - NH2 ANGL. DEV. = -6.1 DEGREES REMARK 500 LEU A 102 CA - CB - CG ANGL. DEV. = 16.9 DEGREES REMARK 500 ARG A 108 NE - CZ - NH1 ANGL. DEV. = -3.5 DEGREES REMARK 500 VAL A 109 CB - CA - C ANGL. DEV. = 13.2 DEGREES REMARK 500 TYR A 118 CB - CG - CD2 ANGL. DEV. = -4.3 DEGREES REMARK 500 TYR A 118 CB - CG - CD1 ANGL. DEV. = 3.7 DEGREES REMARK 500 PHE A 151 CB - CG - CD1 ANGL. DEV. = 4.8 DEGREES REMARK 500 GLU A 154 CA - CB - CG ANGL. DEV. = 16.4 DEGREES REMARK 500 ARG A 191 NE - CZ - NH2 ANGL. DEV. = -4.0 DEGREES REMARK 500 ARG B 30 CD - NE - CZ ANGL. DEV. = 9.9 DEGREES REMARK 500 ARG B 34 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG B 56 CD - NE - CZ ANGL. DEV. = 36.2 DEGREES REMARK 500 ARG B 56 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 ARG B 67 CD - NE - CZ ANGL. DEV. = 16.5 DEGREES REMARK 500 ARG B 67 NE - CZ - NH1 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG B 67 NE - CZ - NH2 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG B 79 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 TYR B 81 CB - CG - CD1 ANGL. DEV. = 4.4 DEGREES REMARK 500 ASP B 105 CB - CG - OD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 ARG B 108 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 MET B 145 CA - CB - CG ANGL. DEV. = 25.8 DEGREES REMARK 500 ASP B 146 CB - CG - OD1 ANGL. DEV. = 5.9 DEGREES REMARK 500 LEU B 153 CB - CA - C ANGL. DEV. = 12.0 DEGREES REMARK 500 TYR B 184 CB - CG - CD1 ANGL. DEV. = 5.2 DEGREES REMARK 500 ARG B 191 NE - CZ - NH1 ANGL. DEV. = 3.8 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 LYS A 3 57.37 34.67 REMARK 500 LEU A 17 44.64 72.90 REMARK 500 TYR A 21 116.69 -161.16 REMARK 500 ASN A 47 41.66 -103.95 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 34 0.09 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 THE INHIBITION CONSTANT (IC50) FOR 5-[(4-METHYLPHENYL) REMARK 600 SULFANYL]-2,4-QUINAZOLINEDIAMINE (GW578) IS 23 NANOMOLAR REMARK 600 USING THE FOLLOWING ASSAY (SEE REFERENCE 0 & 3). REMARK 600 C. ALBICANS DHFR ASSAY WAS PERFORMED IN 0.1 M IMIDAZOLE REMARK 600 CHLORIDE BUFFER, PH 6.4, WITH 12 MM MERCAPTOETHANOL, 60 MM REMARK 600 NADPH AND 45 MM DIHYDROFOLIC ACID IN A FINAL VOLUME OF 1 ML REMARK 600 AT 303K. IC50 IS THE CONCENTRATION OF INHIBITOR THAT REMARK 600 DECREASES THE VELOCITY OF THE STANDARD ASSAY BY 50%. THE REMARK 600 ENZYME (0.2 NM), NADPH, AND VARYING CONCENTRATIONS OF REMARK 600 INHIBITOR WERE PREINCUBATED FOR 2 MIN AT 30-C, AND THE REMARK 600 REACTION WAS INITIATED BY THE ADDITION OF DIHYDROFOLIC REMARK 600 ACID. STEADY STATE VELOCITIES WERE MEASURED, AND IC50 REMARK 600 VALUES WERE CALCULATED FROM A LINEAR REGRESSION PLOT OF THE REMARK 600 PERCENTAGE INHIBITION VS THE LOGARITHM OF THE INHIBITOR REMARK 600 CONCENTRATION. IC50 THE PRECISION OF THE DETERMINATION IS REMARK 600 GENERALLY ABOUT A 30%. 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 193 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TQ4 A 194 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP B 195 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TQ4 B 196 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MES A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MES B 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AI9 RELATED DB: PDB REMARK 900 BINARY COMPLEX OF CANDIDA ALBICANS DIHYDROFOLATE REDUCTASE (DHFR) REMARK 900 WITH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE (NADPH) REMARK 900 RELATED ID: 1AOE RELATED DB: PDB REMARK 900 CANDIDA ALBICANS DIHYDROFOLATE REDUCTASE COMPLEXED WITH DIHYDRO- REMARK 900 NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE (NADPH) AND 1,3-DIAMINO- REMARK 900 7-(1-ETHYEPROPYE)-7H-PYRRALO-{3,2-F]QUINAZOLINE (GW345) REMARK 900 RELATED ID: 1IA1 RELATED DB: PDB REMARK 900 CANDIDA ALBICANS DIHYDROFOLATE REDUCTASE COMPLEXED WITH DIHYDRO- REMARK 900 NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE (NADPH) AND 5- REMARK 900 (PHENYLSULFANYL)-2,4-QUINAZOLINEDIAMINE (GW997) REMARK 900 RELATED ID: 1IA3 RELATED DB: PDB REMARK 900 CANDIDA ALBICANS DIHYDROFOLATE REDUCTASE COMPLEXED WITH DIHYDRO- REMARK 900 NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE (NADPH) AND 5-[(4-TERT- REMARK 900 BUTYLPHENYL)SULFANYL]-2,4-QUINAZOLINEDIAMINE (GW995) REMARK 900 RELATED ID: 1IA4 RELATED DB: PDB REMARK 900 CANDIDA ALBICANS DIHYDROFOLATE REDUCTASE COMPLEXED WITH DIHYDRO- REMARK 900 NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE (NADPH) AND 5-{[4-(4- REMARK 900 MORPHOLINYL)PHENYL]SULFANYL}-2,4-QUINAZOLINEDIAMINE (GW2021) DBREF 1IA2 A 1 192 UNP P22906 DYR_CANAL 1 192 DBREF 1IA2 B 1 192 UNP P22906 DYR_CANAL 1 192 SEQRES 1 A 192 MET LEU LYS PRO ASN VAL ALA ILE ILE VAL ALA ALA LEU SEQRES 2 A 192 LYS PRO ALA LEU GLY ILE GLY TYR LYS GLY LYS MET PRO SEQRES 3 A 192 TRP ARG LEU ARG LYS GLU ILE ARG TYR PHE LYS ASP VAL SEQRES 4 A 192 THR THR ARG THR THR LYS PRO ASN THR ARG ASN ALA VAL SEQRES 5 A 192 ILE MET GLY ARG LYS THR TRP GLU SER ILE PRO GLN LYS SEQRES 6 A 192 PHE ARG PRO LEU PRO ASP ARG LEU ASN ILE ILE LEU SER SEQRES 7 A 192 ARG SER TYR GLU ASN GLU ILE ILE ASP ASP ASN ILE ILE SEQRES 8 A 192 HIS ALA SER SER ILE GLU SER SER LEU ASN LEU VAL SER SEQRES 9 A 192 ASP VAL GLU ARG VAL PHE ILE ILE GLY GLY ALA GLU ILE SEQRES 10 A 192 TYR ASN GLU LEU ILE ASN ASN SER LEU VAL SER HIS LEU SEQRES 11 A 192 LEU ILE THR GLU ILE GLU HIS PRO SER PRO GLU SER ILE SEQRES 12 A 192 GLU MET ASP THR PHE LEU LYS PHE PRO LEU GLU SER TRP SEQRES 13 A 192 THR LYS GLN PRO LYS SER GLU LEU GLN LYS PHE VAL GLY SEQRES 14 A 192 ASP THR VAL LEU GLU ASP ASP ILE LYS GLU GLY ASP PHE SEQRES 15 A 192 THR TYR ASN TYR THR LEU TRP THR ARG LYS SEQRES 1 B 192 MET LEU LYS PRO ASN VAL ALA ILE ILE VAL ALA ALA LEU SEQRES 2 B 192 LYS PRO ALA LEU GLY ILE GLY TYR LYS GLY LYS MET PRO SEQRES 3 B 192 TRP ARG LEU ARG LYS GLU ILE ARG TYR PHE LYS ASP VAL SEQRES 4 B 192 THR THR ARG THR THR LYS PRO ASN THR ARG ASN ALA VAL SEQRES 5 B 192 ILE MET GLY ARG LYS THR TRP GLU SER ILE PRO GLN LYS SEQRES 6 B 192 PHE ARG PRO LEU PRO ASP ARG LEU ASN ILE ILE LEU SER SEQRES 7 B 192 ARG SER TYR GLU ASN GLU ILE ILE ASP ASP ASN ILE ILE SEQRES 8 B 192 HIS ALA SER SER ILE GLU SER SER LEU ASN LEU VAL SER SEQRES 9 B 192 ASP VAL GLU ARG VAL PHE ILE ILE GLY GLY ALA GLU ILE SEQRES 10 B 192 TYR ASN GLU LEU ILE ASN ASN SER LEU VAL SER HIS LEU SEQRES 11 B 192 LEU ILE THR GLU ILE GLU HIS PRO SER PRO GLU SER ILE SEQRES 12 B 192 GLU MET ASP THR PHE LEU LYS PHE PRO LEU GLU SER TRP SEQRES 13 B 192 THR LYS GLN PRO LYS SER GLU LEU GLN LYS PHE VAL GLY SEQRES 14 B 192 ASP THR VAL LEU GLU ASP ASP ILE LYS GLU GLY ASP PHE SEQRES 15 B 192 THR TYR ASN TYR THR LEU TRP THR ARG LYS HET NDP A 193 48 HET TQ4 A 194 20 HET MES A 201 12 HET NDP B 195 48 HET TQ4 B 196 20 HET MES B 202 12 HETNAM NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NDP PHOSPHATE HETNAM TQ4 5-[(4-METHYLPHENYL)SULFANYL]-2,4-QUINAZOLINEDIAMINE HETNAM MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID FORMUL 3 NDP 2(C21 H30 N7 O17 P3) FORMUL 4 TQ4 2(C15 H14 N4 S) FORMUL 5 MES 2(C6 H13 N O4 S) FORMUL 9 HOH *333(H2 O) HELIX 1 1 LEU A 29 ARG A 42 1 14 HELIX 2 2 ARG A 56 SER A 61 1 6 HELIX 3 3 ILE A 62 ILE A 62 5 1 HELIX 4 4 PRO A 63 ARG A 67 5 5 HELIX 5 5 SER A 95 ASN A 101 1 7 HELIX 6 6 GLY A 114 ILE A 122 1 9 HELIX 7 7 SER A 139 ILE A 143 5 5 HELIX 8 8 PRO A 152 GLU A 154 5 3 HELIX 9 9 PRO A 160 GLY A 169 1 10 HELIX 10 10 LEU B 29 ARG B 42 1 14 HELIX 11 11 ARG B 56 SER B 61 1 6 HELIX 12 12 PRO B 63 ARG B 67 5 5 HELIX 13 13 SER B 95 LEU B 100 1 6 HELIX 14 14 GLY B 114 ILE B 122 1 9 HELIX 15 15 SER B 139 ILE B 143 5 5 HELIX 16 16 PRO B 152 GLU B 154 5 3 HELIX 17 17 PRO B 160 GLY B 169 1 10 SHEET 1 A 9 GLU A 84 ASP A 87 0 SHEET 2 A 9 ILE A 90 ALA A 93 -1 O ILE A 90 N ILE A 86 SHEET 3 A 9 LEU A 73 LEU A 77 1 O ASN A 74 N ILE A 91 SHEET 4 A 9 ARG A 49 GLY A 55 1 O ASN A 50 N LEU A 73 SHEET 5 A 9 VAL A 106 GLY A 113 1 N GLU A 107 O ARG A 49 SHEET 6 A 9 VAL A 6 LEU A 13 1 N ALA A 7 O VAL A 109 SHEET 7 A 9 VAL A 127 GLU A 136 1 N SER A 128 O VAL A 6 SHEET 8 A 9 PHE A 182 ARG A 191 -1 O THR A 183 N GLU A 136 SHEET 9 A 9 TRP A 156 LYS A 158 -1 N THR A 157 O THR A 190 SHEET 1 B 9 GLU A 84 ASP A 87 0 SHEET 2 B 9 ILE A 90 ALA A 93 -1 O ILE A 90 N ILE A 86 SHEET 3 B 9 LEU A 73 LEU A 77 1 O ASN A 74 N ILE A 91 SHEET 4 B 9 ARG A 49 GLY A 55 1 O ASN A 50 N LEU A 73 SHEET 5 B 9 VAL A 106 GLY A 113 1 N GLU A 107 O ARG A 49 SHEET 6 B 9 VAL A 6 LEU A 13 1 N ALA A 7 O VAL A 109 SHEET 7 B 9 VAL A 127 GLU A 136 1 N SER A 128 O VAL A 6 SHEET 8 B 9 PHE A 182 ARG A 191 -1 O THR A 183 N GLU A 136 SHEET 9 B 9 ILE A 177 GLU A 179 -1 O ILE A 177 N TYR A 184 SHEET 1 C 2 GLY A 18 GLY A 20 0 SHEET 2 C 2 THR A 147 PHE A 148 -1 O THR A 147 N ILE A 19 SHEET 1 D 9 GLU B 84 ASP B 87 0 SHEET 2 D 9 ILE B 90 ALA B 93 -1 O ILE B 90 N ILE B 86 SHEET 3 D 9 LEU B 73 LEU B 77 1 O ASN B 74 N ILE B 91 SHEET 4 D 9 ALA B 51 GLY B 55 1 N VAL B 52 O LEU B 73 SHEET 5 D 9 VAL B 109 GLY B 113 1 N PHE B 110 O ALA B 51 SHEET 6 D 9 VAL B 6 LEU B 13 1 O ALA B 7 N ILE B 111 SHEET 7 D 9 VAL B 127 GLU B 136 1 N SER B 128 O VAL B 6 SHEET 8 D 9 PHE B 182 ARG B 191 -1 O THR B 183 N GLU B 136 SHEET 9 D 9 TRP B 156 LYS B 158 -1 N THR B 157 O THR B 190 SHEET 1 E 9 GLU B 84 ASP B 87 0 SHEET 2 E 9 ILE B 90 ALA B 93 -1 O ILE B 90 N ILE B 86 SHEET 3 E 9 LEU B 73 LEU B 77 1 O ASN B 74 N ILE B 91 SHEET 4 E 9 ALA B 51 GLY B 55 1 N VAL B 52 O LEU B 73 SHEET 5 E 9 VAL B 109 GLY B 113 1 N PHE B 110 O ALA B 51 SHEET 6 E 9 VAL B 6 LEU B 13 1 O ALA B 7 N ILE B 111 SHEET 7 E 9 VAL B 127 GLU B 136 1 N SER B 128 O VAL B 6 SHEET 8 E 9 PHE B 182 ARG B 191 -1 O THR B 183 N GLU B 136 SHEET 9 E 9 ILE B 177 GLU B 179 -1 N ILE B 177 O TYR B 184 SHEET 1 F 2 GLY B 18 GLY B 20 0 SHEET 2 F 2 THR B 147 PHE B 148 -1 O THR B 147 N ILE B 19 CISPEP 1 LYS A 14 PRO A 15 0 1.52 CISPEP 2 ARG A 67 PRO A 68 0 4.57 CISPEP 3 GLY A 113 GLY A 114 0 -3.38 CISPEP 4 LYS B 14 PRO B 15 0 1.78 CISPEP 5 ARG B 67 PRO B 68 0 0.37 CISPEP 6 GLY B 113 GLY B 114 0 -1.16 SITE 1 AC1 33 VAL A 10 ALA A 11 ILE A 19 GLY A 20 SITE 2 AC1 33 GLY A 23 LYS A 24 MET A 25 ARG A 30 SITE 3 AC1 33 LYS A 31 GLY A 55 ARG A 56 LYS A 57 SITE 4 AC1 33 THR A 58 LEU A 77 SER A 78 ARG A 79 SITE 5 AC1 33 SER A 94 ILE A 112 GLY A 114 ALA A 115 SITE 6 AC1 33 GLU A 116 ILE A 117 TYR A 118 GLU A 120 SITE 7 AC1 33 TQ4 A 194 HOH A 352 HOH A 360 HOH A 361 SITE 8 AC1 33 HOH A 395 HOH A 423 HOH A 461 HOH A 486 SITE 9 AC1 33 HOH A 492 SITE 1 AC2 12 ILE A 9 VAL A 10 ALA A 11 GLU A 32 SITE 2 AC2 12 ILE A 33 PHE A 36 SER A 61 ILE A 112 SITE 3 AC2 12 TYR A 118 THR A 133 NDP A 193 MES A 201 SITE 1 AC3 30 VAL B 10 ALA B 11 ILE B 19 GLY B 20 SITE 2 AC3 30 GLY B 23 LYS B 24 GLY B 55 ARG B 56 SITE 3 AC3 30 LYS B 57 THR B 58 LEU B 77 SER B 78 SITE 4 AC3 30 ARG B 79 SER B 94 ILE B 112 GLY B 114 SITE 5 AC3 30 ALA B 115 GLU B 116 ILE B 117 TYR B 118 SITE 6 AC3 30 GLU B 120 TQ4 B 196 HOH B 350 HOH B 364 SITE 7 AC3 30 HOH B 389 HOH B 400 HOH B 481 HOH B 490 SITE 8 AC3 30 HOH B 530 HOH B 535 SITE 1 AC4 12 ILE B 9 VAL B 10 ALA B 11 GLU B 32 SITE 2 AC4 12 PHE B 36 THR B 58 SER B 61 ILE B 62 SITE 3 AC4 12 ILE B 112 TYR B 118 NDP B 195 MES B 202 SITE 1 AC5 5 PHE A 36 LYS A 37 ARG A 72 TQ4 A 194 SITE 2 AC5 5 HOH A 393 SITE 1 AC6 5 ILE B 33 PHE B 36 LYS B 37 ARG B 72 SITE 2 AC6 5 TQ4 B 196 CRYST1 76.910 67.280 38.490 90.00 93.07 90.00 P 1 21 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 0.013002 0.000000 0.000696 0.00000 SCALE2 0.000000 0.014863 0.000000 0.00000 SCALE3 0.000000 0.000000 0.026018 0.00000