3DK4

Catalytic cycle of human glutathione reductase near 1 A resolution


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3DK9PDB ENTRY 3DK9

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
172983% ammonium sulfate, 0.1 M potassium phosphate and 0.1% beta-octyl glucoside, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 7.00
Crystal Properties
Matthews coefficientSolvent content
2.6753.85

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 120.031α = 90
b = 62.281β = 121.9
c = 83.98γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42000-03-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 14-BM-CAPS14-BM-C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.150910.07221.4192443
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.11.1274.80.33

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFREE RPDB ENTRY 3DK91.2501551467671910.1140.164RANDOM25.332
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
KeyRefinement Restraint Deviation
s_approx_iso_adps0.101
s_non_zero_chiral_vol0.094
s_zero_chiral_vol0.079
s_similar_adp_cmpnt0.05
s_angle_d0.034
s_from_restr_planes0.0289
s_anti_bump_dis_restr0.026
s_bond_d0.015
s_rigid_bond_adp_cmpnt0.005
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3496
Nucleic Acid Atoms
Solvent Atoms892
Heterogen Atoms146

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHELXrefinement
PDB_EXTRACTdata extraction
CNSphasing
SHELXL-97refinement