1ASC

THE STRUCTURAL BASIS FOR THE REDUCED ACTIVITY OF THE D223A(D222A) ACTIVE SITE MUTANT OF E. COLI ASPARTATE AMINOTRANSFERASE


X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficientSolvent content
3.0259.24

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 157.5α = 90
b = 85β = 90
c = 78.6γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTION2.40.2140.214
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]
RMS Deviations
KeyRefinement Restraint Deviation
x_angle_deg3.1
x_bond_d0.016
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d
RMS Deviations
KeyRefinement Restraint Deviation
x_angle_deg3.1
x_bond_d0.016
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3066
Nucleic Acid Atoms
Solvent Atoms22
Heterogen Atoms17

Software

Software
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
X-PLORphasing