9RB4 | pdb_00009rb4

Ecoli Sarcin Ricin Loop (SLR) including a Kappa-Xanthosine base pair


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3DVZ 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2931 volume [3.1M AS, 50mM KMops pH7.0, 10mM MgCl2, 10mM MnCl2] + 2 volumes [RNA 2.5mg/ml, 1mM EDTA pH8.0, 10mM Tris pH 8.0]
Crystal Properties
Matthews coefficientSolvent content
1.9336.14

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 29.665α = 90
b = 29.665β = 90
c = 76.547γ = 90
Symmetry
Space GroupP 43

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER R 4M2023-09-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06DA0.826561SLSX06DA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)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
10.93827.6693.40.99916.512.95201968.82
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
10.9380.9740.584

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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-VALUE127.661.3835587177699.930.11740.11650.16060.13390.163
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_d22.87
f_angle_d1.604
f_chiral_restr0.055
f_plane_restr0.033
f_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms580
Solvent Atoms152
Heterogen Atoms18

Software

Software
Software NamePurpose
PHENIXrefinement
autoPROCdata reduction
STARANISOdata scaling
PHENIXphasing