1ZF4

ATC Four-stranded DNA Holliday Junction


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7298Na Cacodylate, CaCl2, Spermine, MPD in resevoir, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.2645.67

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 64.936α = 90
b = 24.034β = 118.69
c = 40.286γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray103CCDMARRESEARCH2004-02-26SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 14-ID-B1.072APS14-ID-B

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
11.6512.779.30.0550.05415.55414
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)
11.651.7148.332.70.1740.1793.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTndb entry UD00581.6512.7489455596.530.2680.2310.275RANDOM10.578
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]
-0.290.040.82-0.49
RMS Deviations
KeyRefinement Restraint Deviation
r_angle_refined_deg1.794
r_scangle_it1.668
r_scbond_it1.317
r_symmetry_hbond_refined0.317
r_nbtor_refined0.308
r_xyhbond_nbd_refined0.289
r_nbd_refined0.276
r_symmetry_vdw_refined0.246
r_chiral_restr0.07
r_bond_refined_d0.01
RMS Deviations
KeyRefinement Restraint Deviation
r_angle_refined_deg1.794
r_scangle_it1.668
r_scbond_it1.317
r_symmetry_hbond_refined0.317
r_nbtor_refined0.308
r_xyhbond_nbd_refined0.289
r_nbd_refined0.276
r_symmetry_vdw_refined0.246
r_chiral_restr0.07
r_bond_refined_d0.01
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms404
Solvent Atoms118
Heterogen Atoms1

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
EPMRphasing