3Q1Q

Structure of a Bacterial Ribonuclease P Holoenzyme in Complex with tRNA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP61.8M Lithium sulfate, 0.05M sodium cacodylate, pH 6.0, VAPOR DIFFUSION, HANGING DROP
Crystal Properties
Matthews coefficientSolvent content
4.9575.14

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 169.29α = 90
b = 169.29β = 90
c = 184.99γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX MX-225MIRRORS2009-02-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-FAPS21-ID-F

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
13.83088.50.0790.09612.25271163129.78
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)
3.83.9722.30.3590.4323.24.5

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 DIFFRACTIONMIRASTHROUGHOUT2A2E, 2A64, 1NZ0, 1EHZ3.828.972709013680.2510.250.272RANDOM80.04
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]
-23.4702-23.470246.9404
RMS Deviations
KeyRefinement Restraint Deviation
t_angle_deg1.24
t_bond_d0.007
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms973
Nucleic Acid Atoms9168
Solvent Atoms
Heterogen Atoms14

Software

Software
Software NamePurpose
XDSdata scaling
TNTrefinement
BUSTERrefinement
XDSdata reduction
SCALAdata scaling
TNTphasing