10 20 30 40 50 60 70 80 1IA3 - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER OXIDOREDUCTASE 22-MAR-01 1IA3
TITLE CANDIDA ALBICANS DIHYDROFOLATE REDUCTASE COMPLEX IN WHICH TITLE 2 THE DIHYDRONICOTINAMIDE MOIETY OF DIHYDRO-NICOTINAMIDE- TITLE 3 ADENINE-DINUCLEOTIDE PHOSPHATE (NADPH) IS DISPLACED BY 5- TITLE 4 [(4-TERT-BUTYLPHENYL)SULFANYL]-2,4-QUINAZOLINEDIAMINE TITLE 5 (GW995)
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, KEYWDS 2 DIHYDRONICOTINAMIDE DISPLACED
EXPDTA X-RAY DIFFRACTION
AUTHOR M.WHITLOW,A.J.HOWARD,L.F.KUYPER
REVDAT 3 24-FEB-09 1IA3 1 VERSN REVDAT 2 05-APR-05 1IA3 1 JRNL REVDAT 1 11-APR-01 1IA3 0
JRNL AUTH M.WHITLOW,A.J.HOWARD,D.STEWART,K.D.HARDMAN, JRNL AUTH 2 J.H.CHAN,D.P.BACCANARI,R.L.TANSIK,J.S.HONG, JRNL AUTH 3 L.F.KUYPER JRNL TITL X-RAY CRYSTAL STRUCTURES OF CANDIDA ALBICANS JRNL TITL 2 DIHYDROFOLATE REDUCTASE: HIGH RESOLUTION TERNARY JRNL TITL 3 COMPLEXES IN WHICH THE DIHYDRONICOTINAMIDE MOIETY JRNL TITL 4 OF NADPH IS DISPLACED BY AN 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, REMARK 1 AUTH 2 L.F.KUYPER,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 REMARK 1 TITL 3 STRUCTURES OF THE HOLOENZYME AND AN INHIBITED REMARK 1 TITL 4 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, REMARK 1 AUTH 2 S.S.JOYNER,R.L.TANSIK,C.M.BOYTOS,S.K.RUDOLPH REMARK 1 TITL SELECTIVE INHIBITORS OF CANDIDA ALBICANS REMARK 1 TITL 2 DIHYDROFOLATE REDUCTASE: ACTIVITY AND SELECTIVITY REMARK 1 TITL 3 OF 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, REMARK 1 AUTH 2 P.L.SMITH,J.H.FREISHEIM REMARK 1 TITL CHARACTERIZATION OF CANDIDA ALBICANS DIHYDROFOLATE REMARK 1 TITL 2 REDUCTASE REMARK 1 REF J.BIOL.CHEM. V. 264 1100 1989 REMARK 1 REFN ISSN 0021-9258
REMARK 2 REMARK 2 RESOLUTION. 1.78 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) : 1.78 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 84.6 REMARK 3 NUMBER OF REFLECTIONS : 32308 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) : 36058 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3181 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 140 REMARK 3 SOLVENT ATOMS : 350 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 36.30 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) : 0.034 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.040 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; 0.100 REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.021 ; 0.030 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.243 ; 0.300 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.167 ; 0.200 REMARK 3 MULTIPLE TORSION (A) : 0.148 ; 0.200 REMARK 3 H-BOND (X...Y) (A) : 0.136 ; 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) : 3.800 ; 6.000 REMARK 3 STAGGERED (DEGREES) : 14.900; 10.000 REMARK 3 TRANSVERSE (DEGREES) : 32.600; 10.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 0.847 ; 1.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.462 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.401 ; 2.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.826 ; 5.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: RESTRAIN LEAST-SQUARES PROCEDURE
REMARK 4 REMARK 4 1IA3 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 99 REMARK 99 HET GROUPS NDP 193, TQ5 194, AND MES 201 ARE REMARK 99 ASSOCIATED WITH PROTEIN CHAIN A. HET GROUPS NDP REMARK 99 195, TQ5 196, AND MES 202 ARE ASSOCIATED WITH REMARK 99 PROTEIN CHAIN B.
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-MAR-01. REMARK 100 THE RCSB ID CODE IS RCSB013094.
REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-AUG-88 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 : HUBER GRAPHITE MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : XENTRONICS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : XENGEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36058 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.1 REMARK 200 DATA REDUNDANCY : 3.240 REMARK 200 R MERGE (I) : 0.05490 REMARK 200 R SYM (I) : 0.05490 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 16.1800 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.85 REMARK 200 COMPLETENESS FOR SHELL (%) : 60.4 REMARK 200 DATA REDUNDANCY IN SHELL : 1.11 REMARK 200 R MERGE FOR SHELL (I) : 0.26940 REMARK 200 R SYM FOR SHELL (I) : 0.26940 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.230 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-TERT-BUTYLPHENYL) REMARK 280 SULFANYL]-2,4-QUINAZOLINEDIAMINE (GW995), PEG-3350, POTASSIUM REMARK 280 4-MORPHILINEERHANESULFONIC ACID, DITHIOTHREITOL A THREE-FOLD REMARK 280 EXCESS OF GW995 AND THREE-FOLD EXCESS OF NADPH WAS ADDED TO REMARK 280 THE C. ALBICANS DHFR SOLUTION AND LET STAND 277K OVERNIGHT. REMARK 280 17-20 MG/ML C. ALBICANS DHFR IN 50 UM GW995, 50 UM NADPH, 20 REMARK 280 MM KMES, 1 MM DTT, PH 6.5 WAS MIXED WITH AN EQUAL PART OF 26 - REMARK 280 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: DIHYDROFOLATE REDUCTASE 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 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 GLU A 107 CD GLU A 107 OE1 -0.083 REMARK 500 GLU B 179 CD GLU B 179 OE1 -0.071 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 ARG A 28 CD - NE - CZ ANGL. DEV. = 14.2 DEGREES REMARK 500 ARG A 30 NE - CZ - NH1 ANGL. DEV. = 9.6 DEGREES REMARK 500 ARG A 30 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG A 30 NE - CZ - NH2 ANGL. DEV. = -3.9 DEGREES REMARK 500 ARG A 42 CD - NE - CZ ANGL. DEV. = 9.3 DEGREES REMARK 500 ARG A 42 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG A 42 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 ARG A 42 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 49 NH1 - CZ - NH2 ANGL. DEV. = 8.3 DEGREES REMARK 500 ARG A 49 NE - CZ - NH2 ANGL. DEV. = -9.8 DEGREES REMARK 500 ARG A 56 CD - NE - CZ ANGL. DEV. = 9.9 DEGREES REMARK 500 ARG A 56 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG A 67 NE - CZ - NH1 ANGL. DEV. = 5.2 DEGREES REMARK 500 ARG A 67 NE - CZ - NH2 ANGL. DEV. = -5.3 DEGREES REMARK 500 ARG A 72 NE - CZ - NH1 ANGL. DEV. = 5.3 DEGREES REMARK 500 ARG A 72 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ARG A 79 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 79 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 ARG A 79 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 TYR A 81 CB - CG - CD1 ANGL. DEV. = 4.2 DEGREES REMARK 500 LEU A 102 CA - CB - CG ANGL. DEV. = 14.7 DEGREES REMARK 500 ARG A 108 NE - CZ - NH1 ANGL. DEV. = -7.4 DEGREES REMARK 500 VAL A 109 CB - CA - C ANGL. DEV. = 14.8 DEGREES REMARK 500 MET A 145 CG - SD - CE ANGL. DEV. = 11.0 DEGREES REMARK 500 GLU A 154 CA - CB - CG ANGL. DEV. = 18.5 DEGREES REMARK 500 LYS A 192 CA - CB - CG ANGL. DEV. = 13.9 DEGREES REMARK 500 ARG B 49 NE - CZ - NH2 ANGL. DEV. = -4.3 DEGREES REMARK 500 ARG B 56 CD - NE - CZ ANGL. DEV. = 9.0 DEGREES REMARK 500 ARG B 67 CD - NE - CZ ANGL. DEV. = 10.0 DEGREES REMARK 500 ARG B 67 NE - CZ - NH2 ANGL. DEV. = 3.0 DEGREES REMARK 500 ARG B 72 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 GLU B 97 OE1 - CD - OE2 ANGL. DEV. = -9.9 DEGREES REMARK 500 ARG B 108 NE - CZ - NH1 ANGL. DEV. = 7.2 DEGREES REMARK 500 ARG B 108 NE - CZ - NH2 ANGL. DEV. = -6.4 DEGREES REMARK 500 ASN B 119 CB - CA - C ANGL. DEV. = 12.9 DEGREES REMARK 500 MET B 145 N - CA - CB ANGL. DEV. = -11.4 DEGREES REMARK 500 ASP B 146 CB - CG - OD1 ANGL. DEV. = 6.0 DEGREES REMARK 500 LEU B 153 CB - CA - C ANGL. DEV. = 13.9 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 57.09 36.36 REMARK 500 PRO A 26 6.88 -68.48 REMARK 500 ASN A 47 43.78 -99.13 REMARK 500 LYS A 150 75.69 -119.33 REMARK 500 LYS B 150 68.00 -117.89 REMARK 500 REMARK 500 REMARK: NULL
REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B 398 DISTANCE = 5.35 ANGSTROMS REMARK 525 HOH B 448 DISTANCE = 5.63 ANGSTROMS REMARK 525 HOH B 529 DISTANCE = 5.72 ANGSTROMS
REMARK 600 REMARK 600 HETEROGEN THE INHIBITION CONSTANT (IC50) FOR 5-[(4-TERT- REMARK 600 BUTYLPHENYL) SULFANYL]-2,4-QUINAZOLINEDIAMINE (GW995) IS 8 REMARK 600 NANOMOLAR USING THE FOLLOWING ASSAY (SEE REFERENCE 0 & 3). C. REMARK 600 ALBICANS DHFR ASSAY WAS PERFORMED IN 0.1 M IMIDAZOLE CHLORIDE REMARK 600 BUFFER, PH 6.4, WITH 12 MM MERCAPTOETHANOL, 60 MM NADPH AND 45 REMARK 600 MM DIHYDROFOLIC ACID IN A FINAL VOLUME OF 1 ML AT 303K. IC50 IS REMARK 600 THE CONCENTRATION OF INHIBITOR THAT DECREASES THE VELOCITY OF REMARK 600 THE STANDARD ASSAY BY 50%. THE ENZYME (0.2 NM), NADPH, AND REMARK 600 VARYING CONCENTRATIONS OF INHIBITOR WERE PREINCUBATED FOR 2 MIN REMARK 600 AT 30-C, AND THE REACTION WAS INITIATED BY THE ADDITION OF REMARK 600 DIHYDROFOLIC ACID. STEADY STATE VELOCITIES WERE MEASURED, AND REMARK 600 IC50 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 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 NDP A 193 REMARK 610 NDP B 195
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 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TQ5 A 194 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP B 195 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TQ5 B 196 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MES A 201 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 REMARK 900 (DHFR) WITH DIHYDRO-NICOTINAMIDE-ADENINE- REMARK 900 DINUCLEOTIDEPHOSPHATE (NADPH) REMARK 900 RELATED ID: 1AOE RELATED DB: PDB REMARK 900 CANDIDA ALBICANS DIHYDROFOLATE REDUCTASE COMPLEXED WITH REMARK 900 DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE (NADPH) REMARK 900 AND 1,3-DIAMINO-7-(1-ETHYEPROPYE)-7H-PYRRALO-{3,2-F] REMARK 900 QUINAZOLINE (GW345) REMARK 900 RELATED ID: 1IA1 RELATED DB: PDB REMARK 900 CANDIDA ALBICANS DIHYDROFOLATE REDUCTASE COMPLEXED WITH REMARK 900 DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE (NADPH) REMARK 900 AND 5-[PHENYLSULFANYL]-2,4-QUINAZOLINEDIAMINE (GW997) REMARK 900 RELATED ID: 1IA2 RELATED DB: PDB REMARK 900 CANDIDA ALBICANS DIHYDROFOLATE REDUCTASE COMPLEXED WITH REMARK 900 DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE (NADPH) REMARK 900 AND 5-[(4-METHYLPHENYL)SULFANYL]-2,4-QUINAZOLINEDIAMINE REMARK 900 (GW578) REMARK 900 RELATED ID: 1IA4 RELATED DB: PDB REMARK 900 CANDIDA ALBICANS DIHYDROFOLATE REDUCTASE COMPLEXED IN WHICH REMARK 900 THE DIHYDRONICOTINAMIDE MOIETY OF DIHYDRO-NICOTINAMIDE- REMARK 900 ADENINE-DINUCLEOTIDE PHOSPHATE (NADPH) IS DISPLACED BY 5-{ REMARK 900 [4-(4-MORPHOLINYL)PHENYL]SULFANYL}-2,4-QUINAZOLINEDIAMINE REMARK 900 (GW2021)
DBREF 1IA3 A 1 192 UNP P22906 DYR_CANAL 1 192 DBREF 1IA3 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 35 HET TQ5 A 194 23 HET NDP B 195 35 HET TQ5 B 196 23 HET MES A 201 12 HET MES B 202 12
HETNAM NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NDP PHOSPHATE HETNAM TQ5 5-[4-TERT-BUTYLPHENYLSULFANYL]-2,4-QUINAZOLINEDIAMINE HETNAM MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID
FORMUL 3 NDP 2(C21 H30 N7 O17 P3) FORMUL 4 TQ5 2(C18 H20 N4 S) FORMUL 7 MES 2(C6 H13 N O4 S) FORMUL 9 HOH *339(H2 O)
HELIX 1 1 LEU A 29 ARG A 42 1 14 HELIX 2 2 ARG A 56 ILE A 62 1 7 HELIX 3 3 PRO A 63 ARG A 67 5 5 HELIX 4 4 SER A 95 LEU A 102 1 8 HELIX 5 5 GLY A 114 ILE A 122 1 9 HELIX 6 6 SER A 139 ILE A 143 5 5 HELIX 7 7 PRO A 152 GLU A 154 5 3 HELIX 8 8 PRO A 160 GLY A 169 1 10 HELIX 9 9 LEU B 29 ARG B 42 1 14 HELIX 10 10 ARG B 56 SER B 61 1 6 HELIX 11 11 PRO B 63 ARG B 67 5 5 HELIX 12 12 SER B 95 LEU B 100 1 6 HELIX 13 13 GLY B 114 ILE B 122 1 9 HELIX 14 14 SER B 139 ILE B 143 5 5 HELIX 15 15 PRO B 152 GLU B 154 5 3 HELIX 16 16 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 O ALA A 7 N ILE A 111 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 O ALA A 7 N ILE A 111 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 N ILE A 177 O 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 O VAL B 52 N ILE B 75 SHEET 5 D 9 VAL B 109 GLY B 113 1 O PHE B 110 N ILE B 53 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 O VAL B 52 N ILE B 75 SHEET 5 E 9 VAL B 109 GLY B 113 1 O PHE B 110 N ILE B 53 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 4.73 CISPEP 2 ARG A 67 PRO A 68 0 2.42 CISPEP 3 GLY A 113 GLY A 114 0 0.22 CISPEP 4 LYS B 14 PRO B 15 0 1.77 CISPEP 5 ARG B 67 PRO B 68 0 2.09 CISPEP 6 GLY B 113 GLY B 114 0 1.71
SITE 1 AC1 22 ARG A 30 LYS A 31 GLY A 55 ARG A 56 SITE 2 AC1 22 LYS A 57 THR A 58 LEU A 77 SER A 78 SITE 3 AC1 22 ARG A 79 SER A 94 GLY A 114 ALA A 115 SITE 4 AC1 22 GLU A 116 ILE A 117 GLU A 120 TQ5 A 194 SITE 5 AC1 22 HOH A 247 HOH A 352 HOH A 395 HOH A 423 SITE 6 AC1 22 HOH A 461 HOH A 492 SITE 1 AC2 11 ILE A 9 VAL A 10 ALA A 11 ILE A 19 SITE 2 AC2 11 GLU A 32 ILE A 33 PHE A 36 ILE A 112 SITE 3 AC2 11 TYR A 118 THR A 133 NDP A 193 SITE 1 AC3 23 GLY B 55 ARG B 56 LYS B 57 THR B 58 SITE 2 AC3 23 LEU B 77 SER B 78 ARG B 79 SER B 94 SITE 3 AC3 23 SER B 95 ILE B 96 GLY B 114 ALA B 115 SITE 4 AC3 23 GLU B 116 ILE B 117 GLU B 120 TQ5 B 196 SITE 5 AC3 23 HOH B 264 HOH B 350 HOH B 389 HOH B 440 SITE 6 AC3 23 HOH B 481 HOH B 490 HOH B 537 SITE 1 AC4 11 ILE B 9 VAL B 10 ILE B 19 MET B 25 SITE 2 AC4 11 GLU B 32 PHE B 36 THR B 58 ILE B 112 SITE 3 AC4 11 TYR B 118 THR B 133 NDP B 195 SITE 1 AC5 5 PHE A 36 LEU A 69 ARG A 72 HOH A 501 SITE 2 AC5 5 HOH A 538 SITE 1 AC6 6 PHE B 36 LYS B 37 PRO B 70 ARG B 72 SITE 2 AC6 6 HOH B 301 HOH B 541
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