1M5Q

Crystal structure of a novel Sm-like archaeal protein from Pyrobaculum aerophilum


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8293PEG 3350, glycerol, ammonium acetate, sodium acetate, cadmium chloride, sodium chloride, pH 8.0 VAPOR DIFFUSION, HANGING DROP at 293K
Crystal Properties
Matthews coefficientSolvent content
2.5351.41

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 83.322α = 90
b = 172.427β = 90
c = 148.108γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDADSC QUANTUM 42002-04-25MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X8C0.97954, 0.97933, 0.97186NSLSX8C

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
1210096.30.1114.56.3270937270937-1.73-312.5
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)
122.0776.30.3982.94.521420

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT219.972628012628011304993.60.1910.1910.1910.236RANDOM31.7
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]
12.75-4.55-8.21
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25.8
c_scangle_it3.48
c_scbond_it2.4
c_mcangle_it2.1
c_angle_deg1.7
c_mcbond_it1.41
c_improper_angle_d1.1
c_bond_d0.018
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms28588
Nucleic Acid Atoms
Solvent Atoms1888
Heterogen Atoms165

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHELXDphasing
CNSrefinement