2ZR8

Crystal Structure of Modified Serine Racemase complexed with Serine


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.529321% PEG 4000, 0.2M Magnesium Acetate, 10% MPD, 0.1M Tris-HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
1.9637.3

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 59.54α = 90
b = 72.88β = 101.73
c = 64.81γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2002-03-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL44B21.0SPring-8BL44B2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.29999.2138521372013.6
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.22.2694.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2ZPU2.219.57213645137998.50.1710.1710.216RANDOM23.5
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]
-5.671.42-0.185.85
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.4
c_scbond_it17.21
c_scangle_it13.92
c_mcangle_it1.64
c_angle_deg1.3
c_mcbond_it1.11
c_improper_angle_d0.77
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2433
Nucleic Acid Atoms
Solvent Atoms103
Heterogen Atoms29

Software

Software
Software NamePurpose
CNSrefinement
MAR345data collection
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing