1O0W

Crystal structure of Ribonuclease III (TM1102) from Thermotoga maritima at 2.0 A resolution


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.92930.2 M Potassium Nitrate, 20% PEG 3350, pH 6.9, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 293K, pH 6.90
Crystal Properties
Matthews coefficientSolvent content
2.2344.32

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 36α = 67.2
b = 58.5β = 92
c = 70.2γ = 77.7
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152002-03-31MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-20.979321, 0.978964, 0.918370SSRLBL9-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.99534.89993.70.06811.63.932670-329.5
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.992.188.40.273.83.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT2253267032670163194.60.1950.1950.23RANDOM25.3
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]
-2.5220.5395.3971.7711.8690.751
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it3.972
c_scbond_it2.652
c_mcangle_it2.192
c_mcbond_it1.483
c_angle_deg1.38
c_bond_d0.012
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it3.972
c_scbond_it2.652
c_mcangle_it2.192
c_mcbond_it1.483
c_angle_deg1.38
c_bond_d0.012
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3851
Nucleic Acid Atoms
Solvent Atoms383
Heterogen Atoms

Software

Software
Software NamePurpose
Blu-Icedata collection
MOSFLMdata reduction
SCALAdata scaling
CCP4data reduction
SnBphasing
MLPHAREphasing
CCP4model building
SOLVEphasing
CNSrefinement
CCP4data scaling