4CBR

X-ray structure of the more stable human AGXT triple mutant (AGXT_HEM)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2YOBPDB ENTRY 2YOB

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
115% PEG 10K; 0.1 M HEPES PH 7.5, 2.5% V/V ISOPROPANOL AND 5% GLYCEROL AS ADDITIVE.
Crystal Properties
Matthews coefficientSolvent content
3.2562.19

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 90.2α = 90
b = 90.2β = 90
c = 140.99γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-1ESRFID14-1

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
12.341.681000.1121.918.649917
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)
12.32.421000.033.918.9

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 2YOB2.341.6791.426556251099.990.2220.21960.2682
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]
6.01416.0141-12.0282
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.295
f_angle_d1.302
f_chiral_restr0.08
f_bond_d0.009
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2969
Nucleic Acid Atoms
Solvent Atoms119
Heterogen Atoms21

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
SCALAdata scaling
PHASERphasing