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Crystal structure of the K142A mutant of E. coli MutY (core fragment)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1KG2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 288 Lithium sulfate, HEPES, Sodium chloride, Magnesium sulfate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 288K
Crystal Properties Matthews coefficient Solvent content 1.79 49.72
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 83.03 α = 90 b = 50.06 β = 122.6 c = 69.88 γ = 90
Symmetry Space Group C 1 2 1
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 ADSC QUANTUM 4 2000-04-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X26C 1.100 NSLS X26C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.6 20 96.7 0.047 17.7 4.5 30985 30985 9.8
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.6 1.63 70.9 0.229 3 1143
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION difference fourier FREE R 1KG2 1.6 20 30985 30985 1548 96.7 0.149 0.197 RANDOM 13.1
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 8 2119
RMS Deviations Key Refinement Restraint Deviation s_similar_adp_cmpnt 0.057 s_non_zero_chiral_vol 0.052 s_zero_chiral_vol 0.041 s_angle_d 0.024 s_from_restr_planes 0.0219 s_anti_bump_dis_restr 0.016 s_bond_d 0.01 s_rigid_bond_adp_cmpnt 0.004 s_similar_dist s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1748 Nucleic Acid Atoms Solvent Atoms 333 Heterogen Atoms 25
Software Software Software Name Purpose SHELXL-97 refinement SCALEPACK data scaling CNS refinement DENZO data reduction CNS phasing