7THB | pdb_00007thb

Crystal structure of an RNA-5'/DNA-3' strand exchange junction


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelOthersee methods in primary citation

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.32930.5 uL of sample was combined with 0.5 uL reservoir solution (0.05 M sodium succinate (pH 5.3), 0.5 mM spermine, 20 mM magnesium chloride, 2.6 M ammonium sulfate) over 500 uL reservoir solution.
Crystal Properties
Matthews coefficientSolvent content
3.3663.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 37.025α = 92.056
b = 43.586β = 103.722
c = 52.182γ = 99.952
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 S 6M2020-12-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.11.116ALS8.3.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
11.63735.3464.70.0370.0410.0160.99915.64162480841.63
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.6371.78114.51.2931.410.5560.4741.56.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUEsee methods in primary citation1.6435.341.9624719122364.50.23910.23690.240.28410.2859.75
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_d27.5301
f_angle_d1.4157
f_chiral_restr0.0917
f_plane_restr0.0159
f_bond_d0.0144
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms1584
Solvent Atoms67
Heterogen Atoms

Software

Software
Software NamePurpose
XDSdata reduction
STARANISOdata scaling
PHASERphasing
Cootmodel building
PHENIXrefinement