3HMK

Crystal Structure of Serine Racemase


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1FKPPDB ENTRY 1FKP

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8293pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.0540.09

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.261α = 90
b = 102.96β = 90
c = 120.923γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152008-09-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I031.0332DiamondI03

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
12.141.195.80.0690.06910.13.1734466326572223.8
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)
2.12.1874.80.1950.1953.51.951837

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)Number Reflections (All)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 1FKP2.141.1223446632657179595.770.243890.241360.28949RANDOM29.478
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]
-0.010.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.297
r_dihedral_angle_4_deg19.152
r_dihedral_angle_3_deg14.354
r_dihedral_angle_1_deg5.242
r_scangle_it1.34
r_angle_refined_deg0.993
r_scbond_it0.771
r_mcangle_it0.739
r_mcbond_it0.402
r_chiral_restr0.065
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.297
r_dihedral_angle_4_deg19.152
r_dihedral_angle_3_deg14.354
r_dihedral_angle_1_deg5.242
r_scangle_it1.34
r_angle_refined_deg0.993
r_scbond_it0.771
r_mcangle_it0.739
r_mcbond_it0.402
r_chiral_restr0.065
r_bond_refined_d0.007
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4844
Nucleic Acid Atoms
Solvent Atoms202
Heterogen Atoms32

Software

Software
Software NamePurpose
DNAdata collection
PHASERphasing
REFMACrefinement
CrystalCleardata reduction
CrystalCleardata scaling