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RIBONUCLEOTIDE REDUCTASE R2 SUBUNIT FROM E. COLI
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1RIB
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.6 PROTEIN WAS CRYSTALLIZED FROM 80% SATURATED NACL, NEAR PHYSIOLOGICAL PH (PH 7.6)
Crystal Properties Matthews coefficient Solvent content 3.5 65
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 139.7 α = 90 b = 139.7 β = 90 c = 110.6 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 103 IMAGE PLATE 1996-08-26 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL7-1 SSRL BL7-1
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 2.8 100 99 0.089 11.3 5.5 299329 -3
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) 2.8 2.92 91.6 0.284 10 5.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1RIB 2.8 7 1 29263 96.8 0.139 0.139 0.192
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 x_dihedral_angle_d 20.88 x_scbond_it 3.93 x_mcbond_it 2.65 x_improper_angle_d 1.356 x_angle_deg 1.345 x_bond_d 0.019 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 20.88 x_scbond_it 3.93 x_mcbond_it 2.65 x_improper_angle_d 1.356 x_angle_deg 1.345 x_bond_d 0.019 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot x_mcangle_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5578 Nucleic Acid Atoms Solvent Atoms 137 Heterogen Atoms 6
Software Software Software Name Purpose X-PLOR model building X-PLOR refinement DENZO data reduction SCALEPACK data scaling X-PLOR phasing