4AY0

High resolution crystal structure of the monomeric subunit-free Caf1M chaperone


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.540% PEG 600 AND 0.1 M CITRATE, PH 5.5
Crystal Properties
Matthews coefficientSolvent content
2.4349.41

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.767α = 90
b = 56.767β = 90
c = 248.289γ = 120
Symmetry
Space GroupP 65

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCD2009-04-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID29ESRFID29

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
11.4562.0799.70.065.88.5279538215.76
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)
11.451.5399.20.3927.5

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 REPLACEMENTCHAIN A FROM PDB ENTRY 2OS71.5228.7651.8369041344699.750.16680.16570.1879
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_d11.299
f_angle_d1.126
f_chiral_restr0.077
f_bond_d0.006
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2851
Nucleic Acid Atoms
Solvent Atoms406
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
MOSFLMdata reduction
SCALEPACKdata scaling
PHASERphasing