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METHIONINE HOLOREPRESSOR MUTANT (Q44K) PLUS COREPRESSOR (S-ADENOSYL METHIONINE) COMPLEXED TO THE MINIMAL MET CONSENSUS OPERATOR WITH THE CENTRAL TA STEP MUTATED TO AT
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CMA PDB ENTRY 1CMA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7 PROTEIN (10MG/ML) + SAM (1MG/ML) + DNA (4MG/ML) WAS CRYSTALLISED FROM 28-38% MPD, 100MM SODIUM CACODYLATE BUFFER, PH 6.0-7.0
Crystal Properties Matthews coefficient Solvent content 2.92 58
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 117.505 α = 90 b = 117.505 β = 90 c = 90.208 γ = 120
Symmetry Space Group P 32 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 IMAGE PLATE MARRESEARCH PLATINUM COATED MIRROR 1997-01-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SRS BEAMLINE PX9.5 SRS PX9.5
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 31.8 99.8 0.044 11.3 4.7 199709 3 21.5
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 2.17 100 0.044 0.201 3.8 4.6
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-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1CMA 2.1 31.8 41508 2133 98.2 0.189 0.189 0.241 RANDOM 35
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 26.3 x_angle_deg 1.2 x_improper_angle_d 0.9 x_bond_d 0.006 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 26.3 x_angle_deg 1.2 x_improper_angle_d 0.9 x_bond_d 0.006 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 3380 Nucleic Acid Atoms 772 Solvent Atoms 510 Heterogen Atoms 109
Software Software Software Name Purpose AMoRE phasing X-PLOR refinement MOSFLM data reduction CCP4 data scaling