1X2A

Crystal Structure of e.coli AspAT complexed with N-phosphopyridoxyl-D-glutamic acid


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5293PEG 400, Ammonium sulfate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.848

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 142.71α = 90
b = 142.71β = 90
c = 81.39γ = 120
Symmetry
Space GroupP 63

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293IMAGE PLATERIGAKU RAXIS IV2003-10-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU2001.5418

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
12.249.2289.1480194277523.8
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.22.2882

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)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 REPLACEMENTTHROUGHOUT2.249.2248019427754311890.1930.1930.234RANDOM30.8
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]
0.368.150.36-0.71
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.5
c_scbond_it20.91
c_scangle_it17.96
c_mcangle_it1.82
c_angle_deg1.3
c_mcbond_it1.19
c_improper_angle_d0.8
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6015
Nucleic Acid Atoms
Solvent Atoms204
Heterogen Atoms50

Software

Software
Software NamePurpose
CNSrefinement
AMoREphasing