4FYW

E. coli Aspartate Transcarbamoylase complexed with CTP


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICRODIALYSIS5.729840 mM sodium citrate, 1 mM 2-mercaptoethanol, 0.2 mM EDTA, 1.0 mM CTP, pH 5.7, MICRODIALYSIS, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.9358.08

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 121.297α = 90
b = 121.297β = 90
c = 142.251γ = 120
Symmetry
Space GroupP 3 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++2012-01-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF1.542

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
12.143.221000.05710.75.357073570735-3
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)
12.12.181000.452.65.286982

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 1ZA12.143.2187073570722356999.640.1860.18380.2291Random30.0296
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
f_dihedral_angle_d14.243
f_angle_d1.128
f_chiral_restr0.078
f_bond_d0.008
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7083
Nucleic Acid Atoms
Solvent Atoms571
Heterogen Atoms60

Software

Software
Software NamePurpose
d*TREKdata scaling
d*TREKdata reduction
PHENIXrefinement
PDB_EXTRACTdata extraction
CrystalCleardata collection
PHENIXphasing