3ZZJ

Structure of an engineered aspartate aminotransferase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18pH 8.0
Crystal Properties
Matthews coefficientSolvent content
3.0259.25

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 85.139α = 90
b = 154.2β = 90
c = 79.931γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCHMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007

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
12.54499.90.0343.78.518589-3
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)
12.52.641000.1514.18.7

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 REPLACEMENTTHROUGHOUTPDB ENTRY 1AAW2.5441752793699.350.218990.216640.26231RANDOM28.202
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]
1.9-1.61-0.29
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.326
r_dihedral_angle_4_deg19.058
r_dihedral_angle_3_deg14.471
r_dihedral_angle_1_deg5.37
r_angle_refined_deg0.947
r_angle_other_deg0.787
r_chiral_restr0.052
r_bond_refined_d0.006
r_bond_other_d0.003
r_gen_planes_refined0.003
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.326
r_dihedral_angle_4_deg19.058
r_dihedral_angle_3_deg14.471
r_dihedral_angle_1_deg5.37
r_angle_refined_deg0.947
r_angle_other_deg0.787
r_chiral_restr0.052
r_bond_refined_d0.006
r_bond_other_d0.003
r_gen_planes_refined0.003
r_gen_planes_other0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3068
Nucleic Acid Atoms
Solvent Atoms90
Heterogen Atoms73

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
SCALAdata scaling
AMoREphasing