2Q4V

Ensemble refinement of the protein crystal structure of thialysine n-acetyltransferase (SSAT2) from Homo sapiens


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2BEIPDB entry 2BEI

Crystallization

Crystal Properties
Matthews coefficientSolvent content
2.652.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.583α = 90
b = 83.621β = 90
c = 87.548γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

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

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 DIFFRACTIONRe-refinement using ensemble modelTHROUGHOUTPDB entry 2BEI1.84240.5234191171996.50.1830.1830.234RANDOM27.2
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]
0.53-0.32-0.21
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.8
c_scangle_it2.95
c_scbond_it2.17
c_mcangle_it2.08
c_mcbond_it1.44
c_angle_deg1.3
c_improper_angle_d0.79
c_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2522
Nucleic Acid Atoms
Solvent Atoms305
Heterogen Atoms51

Software

Software
Software NamePurpose
CNSrefinement
PDB_EXTRACTdata extraction
CNSphasing