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METHIONINE REPRESSOR MUTANT (Q44K) COMPLEX WITH THE COREPRESSOR SAM (S-ADENOSYL METHIONINE) FROM ESCHERICHIA COLI
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CMC PDB ENTRY 1CMC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7 PROTEIN (10MG/ML) + SAM (1MG/ ML) WAS CRYSTALLIZED FROM 10-30% PEG 600, 100MM SODIUM CACODYLATE BUFFER, PH 4.6-5.2., pH 7.0
Crystal Properties Matthews coefficient Solvent content 1.95 37
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 35.79 α = 90 b = 63.12 β = 102.67 c = 43.97 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 SIEMENS 1995-03-02 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH2R
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2.1 28 97.9 0.049 10.4 2.9 10414 3 13.9
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) 2.1 2.21 86.9 0.049 0.19 2.6 2.4
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION DIFFERENCE FOURIER METHODS THROUGHOUT PDB ENTRY 1CMC 2.1 28 2 10302 1040 91.8 0.193 0.193 0.197 RANDOM 27.6
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 23.7 x_improper_angle_d 1.48 x_angle_deg 1.4 x_bond_d 0.01 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 23.7 x_improper_angle_d 1.48 x_angle_deg 1.4 x_bond_d 0.01 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_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1690 Nucleic Acid Atoms Solvent Atoms 112 Heterogen Atoms 54
Software Software Software Name Purpose CCP4 model building X-PLOR refinement XDS data reduction CCP4 data scaling CCP4 phasing