1XK7

Crystal Structure- C2 form- of Escherichia coli Crotonobetainyl-CoA: carnitine CoA transferase (CaiB)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1XK6PDB ENTRY 1XK6

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION7.529412.5% (w/v) PEG 8000, 0.1 M Tris-Cl (pH 7.5), 0.2 M MgCl2, VAPOR DIFFUSION, temperature 294K
Crystal Properties
Matthews coefficientSolvent content
2.448.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 184.276α = 90
b = 106.167β = 107.45
c = 69.676γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4Mirrors2004-04-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X251.1NSLSX25

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.65099.90.08312.63.721793818.6
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.61.661000.4014.593.616757

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1XK61.645.44167996847699.70.1870.213RANDOM19.4
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]
-0.96-0.360.48
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.5
c_scangle_it1.69
c_scbond_it1.3
c_improper_angle_d1.29
c_angle_deg1.2
c_mcangle_it0.78
c_mcbond_it0.47
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9561
Nucleic Acid Atoms
Solvent Atoms1174
Heterogen Atoms

Software

Software
Software NamePurpose
CNSrefinement
HKL-2000data reduction
SCALEPACKdata scaling
MOLREPphasing
REFMACrefinement