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Crystal Structure of gamma-Glutamylcysteine Synthetase from Escherichia coli B
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 298 sodium formate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 4.74 73.86
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 326.818 α = 90 b = 326.818 β = 90 c = 104.726 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 100 CCD MARRESEARCH 2002-03-21 M SINGLE WAVELENGTH 2 1 x-ray 100 CCD MARRESEARCH 2001-03-13 M MAD 1,2 1
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SPRING-8 BEAMLINE BL41XU 0.9726 SPring-8 BL41XU 2 SYNCHROTRON SPRING-8 BEAMLINE BL41XU 0.9792, 0.9794, 0.9839 SPring-8 BL41XU
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 2.5 48.7 100 0.095 9 5.4 144157 144157 56.6
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 2.5 2.59 100 0.346 3.4 5.3 14422
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) 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 MAD THROUGHOUT 2.5 40 136910 136910 7235 99.9 0.2073 0.2058 0.212 0.23601 0.2398 RANDOM 32.97
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] 0.47 0.24 0.47 -0.71
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 5.257 r_dihedral_angle_1_deg 4.954 r_mcangle_it 4.753 r_angle_other_deg 3.787 r_scbond_it 3.737 r_mcbond_it 3.458 r_angle_refined_deg 1.764 r_symmetry_vdw_other 0.343 r_nbd_other 0.3 r_symmetry_hbond_refined 0.24
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 5.257 r_dihedral_angle_1_deg 4.954 r_mcangle_it 4.753 r_angle_other_deg 3.787 r_scbond_it 3.737 r_mcbond_it 3.458 r_angle_refined_deg 1.764 r_symmetry_vdw_other 0.343 r_nbd_other 0.3 r_symmetry_hbond_refined 0.24 r_nbd_refined 0.228 r_symmetry_vdw_refined 0.228 r_xyhbond_nbd_refined 0.184 r_nbtor_other 0.133 r_chiral_restr 0.099 r_bond_refined_d 0.02 r_gen_planes_other 0.01 r_gen_planes_refined 0.007 r_bond_other_d
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 15901 Nucleic Acid Atoms Solvent Atoms 313 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement MOSFLM data reduction CCP4 data scaling SOLVE phasing