4JEX

Y21K mutant of N-acetylornithine aminotransferase complexed with L-canaline


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2PB0 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.529520% PEG 3350, 0.5M ammonium acetate, 0.1M HEPES pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
1.9537.07

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 96.99α = 90
b = 112.78β = 90
c = 65.34γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCDBent collimating mirror and toroid2012-07-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM140.9537ESRFBM14

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
11.43112.781000.0815.77.313271010.7
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)
11.431.511000.484.17.219168

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUT2PB01.4325.01125959668199.970.156610.155580.17619RANDOM11.734
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]
-0.190.46-0.27
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.962
r_dihedral_angle_4_deg15.812
r_dihedral_angle_3_deg11.979
r_dihedral_angle_1_deg5.564
r_angle_refined_deg1.283
r_chiral_restr0.083
r_bond_refined_d0.008
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5734
Nucleic Acid Atoms
Solvent Atoms640
Heterogen Atoms142

Software

Software
Software NamePurpose
HKL-2000data collection
PHASERphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling