1BDX

E. COLI DNA HELICASE RUVA WITH BOUND DNA HOLLIDAY JUNCTION, ALPHA CARBONS AND PHOSPHATE ATOMS ONLY


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1CUK 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5PROTEIN/DNA COMPLEX WAS CRYSTALLISED FROM 0.85M SODIUM ACETATE BUFFERED WITH 100MM IMIDAZOLE AT PH 6.5, VAPOR DIFFUSION, HANGING DROP
Crystal Properties
Matthews coefficientSolvent content
4.4648

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 148α = 90
b = 148β = 123
c = 105.6γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCHMIRRORS1997-12-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX9.6SRSPX9.6

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
15.717.6940.0430.0436.82.152632
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
15.76.0194.20.2240.2243.32.1

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT, MIR1CUK6
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms760
Nucleic Acid Atoms64
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
CCP4model building
MLPHAREphasing
Omodel building
DENZOdata reduction
CCP4data scaling
ROTAVATAdata scaling
CCP4phasing
TFFCphasing