4G7E

Crystal structure of pigeon pea urease


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP929323% PEG2KMME, 1M MgCl2, 100mM Tris, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.8857.22

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 176.292α = 90
b = 176.292β = 90
c = 346.438γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm platemirrors2008-03-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR1.54

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
12.23096.30.0975.44.17133788
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.296.30.0970.04175.4133788

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2.229.798271517898.810.219690.217160.26784RANDOM33.479
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_2_deg37.723
r_dihedral_angle_4_deg20.629
r_dihedral_angle_3_deg15.749
r_dihedral_angle_1_deg6.726
r_scangle_it3.623
r_scbond_it2.262
r_angle_refined_deg1.814
r_mcangle_it1.237
r_mcbond_it0.649
r_chiral_restr0.113
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.723
r_dihedral_angle_4_deg20.629
r_dihedral_angle_3_deg15.749
r_dihedral_angle_1_deg6.726
r_scangle_it3.623
r_scbond_it2.262
r_angle_refined_deg1.814
r_mcangle_it1.237
r_mcbond_it0.649
r_chiral_restr0.113
r_bond_refined_d0.019
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms12510
Nucleic Acid Atoms
Solvent Atoms656
Heterogen Atoms5

Software

Software
Software NamePurpose
MAR345dtbdata collection
AMoREphasing
REFMACrefinement
AUTOMARdata reduction
SCALAdata scaling