3EC2

Crystal structure of the DnaC helicase loader


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP829450mM Tris, 1% PEG 6K, 1mM TCEP, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Crystal Properties
Matthews coefficientSolvent content
2.5351.39

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 84.492α = 90
b = 84.492β = 90
c = 51.113γ = 120
Symmetry
Space GroupP 61

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2102005-06-16MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.10.9795, 1.11587ALS8.3.1

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
12.25500.05553439.424

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONTHROUGHOUT2.750553455342651000.2330.278random67.597
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
r_angle_refined_deg1.985
r_bond_refined_d0.019
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1434
Nucleic Acid Atoms
Solvent Atoms47
Heterogen Atoms28

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
ELVESrefinement
SOLVEphasing