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Candida albicans Dihydrofolate Reductase Complexed with Dihydro-Nicotinamide-Adenine-Dinucleotide Phosphate (NADPH) and 5-(4-methoxyphenoxy)-2,4-quinazolinediamine (GW1466)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1AI9 CANDIDA ALBICANS DHFR (PDB ENTRY 1AI9)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 277 dihydro-nicotinamide-adenine-dinucleotide phosphate (NADPH), 5-(4-METHOXYPHENOXY)-2,4-QUINAZOLINEDIAMINE (GW1466), PEG-3350, Potassium 4-morphilineethanesulfonic acid (MES), dithiothreitol (DTT), pH 6.50, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.27 43
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 77.09 α = 90 b = 67.03 β = 93.3 c = 38.5 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 293 AREA DETECTOR XENTRONICS MONOCHROMATOR 1989-03-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE ELLIOTT GX-21 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.7 50 83.45 0.0644 0.0644 21.1 2.45 36008 -3 33.74
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.7 1.8 99.9 0.1978 0.1978 3.7 1.79 2562
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION DIRECT REPLACEMENT CANDIDA ALBICANS DHFR (PDB ENTRY 1AI9) 1.7 10 2 36010 33900 83.45 0.145 0.1403
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3]
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 32.2 p_staggered_tor 14.4 p_scangle_it 8.323 p_scbond_it 6.817 p_mcangle_it 5.461 p_mcbond_it 4.601 p_planar_tor 3.9 p_chiral_restr 0.245 p_singtor_nbd 0.164 p_multtor_nbd 0.147
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 32.2 p_staggered_tor 14.4 p_scangle_it 8.323 p_scbond_it 6.817 p_mcangle_it 5.461 p_mcbond_it 4.601 p_planar_tor 3.9 p_chiral_restr 0.245 p_singtor_nbd 0.164 p_multtor_nbd 0.147 p_xyhbond_nbd 0.137 p_planar_d 0.038 p_angle_d 0.031 p_bond_d 0.02 p_plane_restr 0.02 p_hb_or_metal_coord p_xhyhbond_nbd p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3193 Nucleic Acid Atoms Solvent Atoms 367 Heterogen Atoms 162
Software Software Software Name Purpose X-GEN data reduction FRODO model building PROFFT refinement X-GEN data scaling