6PA3

E. coli L-asparaginase II double mutant (T89V,K162T) in complex with L-Asn at pH 7.0


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7298Crystals were grown in 0.17 M NH4-citrate, pH 7.0, 17-18% PEG3350, 10 mM L-Asn
Crystal Properties
Matthews coefficientSolvent content
2.1141.65

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 152.852α = 90
b = 62.99β = 117.83
c = 141.293γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2016-03-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1.00000APS22-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)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
11.655099.70.0770.090.0468.63.7141828
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.651.71970.4310.5210.2880.7823.1

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 REPLACEMENTTHROUGHOUT1.6540139105272399.490.150.14930.1841RANDOM19.651
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]
1.07-0.04-0.77-0.17
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.857
r_dihedral_angle_4_deg16.629
r_dihedral_angle_3_deg14.069
r_dihedral_angle_1_deg6.202
r_angle_refined_deg1.909
r_angle_other_deg1.125
r_chiral_restr0.154
r_bond_refined_d0.019
r_gen_planes_refined0.01
r_bond_other_d0.002
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.857
r_dihedral_angle_4_deg16.629
r_dihedral_angle_3_deg14.069
r_dihedral_angle_1_deg6.202
r_angle_refined_deg1.909
r_angle_other_deg1.125
r_chiral_restr0.154
r_bond_refined_d0.019
r_gen_planes_refined0.01
r_bond_other_d0.002
r_gen_planes_other0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9884
Nucleic Acid Atoms
Solvent Atoms1175
Heterogen Atoms52

Software

Software
Software NamePurpose
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction