2EHG

Crystal structure of hyperthermophilic archaeal RNase HI


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP10.52770.1M CAPS-NaOH, 30% PEG400, pH 10.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.0840.86

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 39.206α = 90
b = 39.206β = 90
c = 91.147γ = 90
Symmetry
Space GroupP 43

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152005-10-03MSINGLE WAVELENGTH
21x-ray100CCDADSC QUANTUM 3152005-11-28MMAD
1,21
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL41XU1.0SPring-8BL41XU
2SYNCHROTRONSPRING-8 BEAMLINE BL41XU0.9796, 0.9793, 0.973SPring-8BL41XU

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
1,21.5226.5299.10.04728.12100917.7
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1,21.521.5793.90.1993.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONMADTHROUGHOUT1.626.521809187499.70.1940.1940.218RANDOM16.8
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]
1.311.31-2.63
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.1
c_scangle_it2.04
c_scbond_it1.31
c_mcangle_it1.07
c_angle_deg1
c_improper_angle_d0.74
c_mcbond_it0.65
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1180
Nucleic Acid Atoms
Solvent Atoms139
Heterogen Atoms

Software

Software
Software NamePurpose
CNSrefinement
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
SOLVEphasing