1UMK

The Structure of Human Erythrocyte NADH-cytochrome b5 Reductase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.6286PEG 4000, potassium phosphate, pH 7.6, VAPOR DIFFUSION, SITTING DROP, temperature 286K
Crystal Properties
Matthews coefficientSolvent content
1.9837.45

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 65.869α = 90
b = 65.869β = 90
c = 76.2γ = 90
Symmetry
Space GroupP 41

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IVOSMIC Multilayer Optic mirror2002-05-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU ULTRAX 181.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
11.7523.799.40.0560.058.75.232692326393-419.5
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)
1.751.79598.30.1435.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMIRTHROUGHOUT1.7523.733263930988165199.410.19360.167230.165120.2068RANDOM24.098
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
r_dihedral_angle_1_deg5.539
r_scangle_it2.184
r_scbond_it1.223
r_angle_refined_deg1.025
r_mcangle_it0.901
r_mcbond_it0.471
r_nbd_refined0.183
r_symmetry_vdw_refined0.122
r_symmetry_hbond_refined0.102
r_xyhbond_nbd_refined0.1
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.539
r_scangle_it2.184
r_scbond_it1.223
r_angle_refined_deg1.025
r_mcangle_it0.901
r_mcbond_it0.471
r_nbd_refined0.183
r_symmetry_vdw_refined0.122
r_symmetry_hbond_refined0.102
r_xyhbond_nbd_refined0.1
r_chiral_restr0.07
r_bond_refined_d0.006
r_gen_planes_refined0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2173
Nucleic Acid Atoms
Solvent Atoms753
Heterogen Atoms53

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
CCP4data scaling
MLPHAREphasing