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The Crystal Structure of YdcE, a 4-Oxalocrotonate Tautomerase Homologue from Escherichia coli, Confirms the Structural Basis for Oligomer Diversity
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other UNPUBLISHED 1.35 ANG. RES. YDCE STRUCTURE DETERMINED BY MIR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.3 PROTEIN BUFFERED IN 50MM SODIUM PHOSPHATE, PH 7.3 PRECIPITANT: 40% SODIUM CITRATE PH 8.5 ITTING DROP: MIX 5UL PROT. WITH 5UL 40% SODIUM CITRATE
Crystal Properties Matthews coefficient Solvent content 2.5 51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 37.25 α = 90 b = 63.81 β = 90 c = 71.34 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 110 IMAGE PLATE MARRESEARCH MIRRORS 2001-12-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
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 30 99.7 0.092 11.5 16 10344 3 27.1
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.1 2.18 99.1 0.408 3 10
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT UNPUBLISHED 1.35 ANG. RES. YDCE STRUCTURE DETERMINED BY MIR 2.1 30 2 10344 491 99.7 0.225 0.225 0.229 0.262 0.2677 RANDOM 25.5
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] -4.62 -1.586 6.206
RMS Deviations Key Refinement Restraint Deviation c_angle_deg 1.42 c_bond_d 0.007 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d
RMS Deviations Key Refinement Restraint Deviation c_angle_deg 1.42 c_bond_d 0.007 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d c_improper_angle_d_na c_improper_angle_d_prot c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1200 Nucleic Acid Atoms Solvent Atoms 151 Heterogen Atoms
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling MOLREP phasing