3VLN

Human Glutathione Transferase O1-1 C32S Mutant in Complex with Ascorbic Acid


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.75
Temperature 298.0
Details 2.2M ammonium sulfate, 0.1M sodium acetate pH 4.75, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.92 α = 90
b = 56.92 β = 90
c = 140.51 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r BEAMLINE OPTICS 2009-01-01
Diffraction Radiation
Monochromator Protocol
BEAMLINE OPTICS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX2 1.0000000 Australian Synchrotron MX2

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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
1.7 49.29 99.2 0.061 -- -- 7.2 29768 29768 -1.0 -1.0 --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.7 1.76 98.7 0.696 -- 4.14 7.3 2912

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.7 30.0 -- -- -- 28239 1507 99.24 -- 0.18222 0.18043 0.21749 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.698 1.742 -- 107 2020 0.234 0.257 -- 97.61
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.695
Anisotropic B[1][1] 0.84
Anisotropic B[1][2] 0.42
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.84
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.25
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_1_deg 5.808
r_dihedral_angle_3_deg 15.153
r_gen_planes_refined 0.009
r_mcbond_it 0.993
r_angle_refined_deg 1.86
r_scangle_it 4.149
r_dihedral_angle_2_deg 34.095
r_angle_other_deg 1.02
r_mcangle_it 1.701
r_chiral_restr 0.111
r_dihedral_angle_4_deg 18.39
r_bond_refined_d 0.02
r_gen_planes_other 0.001
r_mcbond_other 0.306
r_bond_other_d 0.001
r_scbond_it 2.673
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1923
Nucleic Acid Atoms 0
Heterogen Atoms 47
Solvent Atoms 205

Software

Software
Software Name Purpose
Blu-Ice data collection
REFMAC refinement version: 5.5.0109
DENZO data reduction
SCALEPACK data scaling