9DE8 | pdb_00009de8

Structure of full-length HIV TAR RNA soaked in CaCl2


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.529350 mM sodium cacodylate pH 6.5, 80 mM NaCl, 12 mM spermine and 30% v/v 2-methyl-2,4-pentanediol (MPD). Soaking with 100 mM CaCl2 for 2 hours at 20 degrees Celsius
Crystal Properties
Matthews coefficientSolvent content
2.7154.57

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 31.588α = 90
b = 47.266β = 90
c = 132.729γ = 90
Symmetry
Space GroupP 21 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2022-03-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1APS22-ID

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
12.7644.5399.170.99913.8242.85512
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)
12.7612.860.6691.62

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 DIFFRACTIONSADFREE R-VALUE2.7644.531.35549726699.210.24770.24550.24390.29510.293967.04
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_d21.5495
f_angle_d0.424
f_chiral_restr0.019
f_plane_restr0.0025
f_bond_d0.0017
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms1174
Solvent Atoms7
Heterogen Atoms1

Software

Software
Software NamePurpose
PHENIXrefinement
xia2data scaling
PDB_EXTRACTdata extraction
XDSdata reduction
PHASERphasing