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Human dihydrofolate reductase complexed with NADPH and BT1
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4DDR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 297 2.7 M Ammonium sulphate, 100 mM K2HPO4, 3%(v/v) Ethanol
Crystal Properties Matthews coefficient Solvent content 2.4 48.81
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 82.942 α = 90 b = 82.942 β = 90 c = 77.489 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD MAR CCD 165 mm 2009-12-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE BRUKER AXS MICROSTAR 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.06 30 99.6 7.8 3.62 12165
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.06 2.13
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 4DDR 2.06 26.35 11636 591 99.5 0.175 0.1717 0.1787 0.2427 0.2486 RANDOM 28.022
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] 0.11 0.11 0.11 -0.37
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.542 r_dihedral_angle_4_deg 14.052 r_dihedral_angle_3_deg 13.878 r_dihedral_angle_1_deg 6.111 r_angle_refined_deg 1.493 r_angle_other_deg 0.831 r_chiral_restr 0.086 r_bond_refined_d 0.01 r_gen_planes_refined 0.006 r_bond_other_d 0.003
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.542 r_dihedral_angle_4_deg 14.052 r_dihedral_angle_3_deg 13.878 r_dihedral_angle_1_deg 6.111 r_angle_refined_deg 1.493 r_angle_other_deg 0.831 r_chiral_restr 0.086 r_bond_refined_d 0.01 r_gen_planes_refined 0.006 r_bond_other_d 0.003 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1502 Nucleic Acid Atoms Solvent Atoms 156 Heterogen Atoms 94
Software Software Software Name Purpose SCALEPACK data scaling REFMAC refinement PDB_EXTRACT data extraction AUTOMAR data reduction MOLREP phasing