X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2MS2PDB ENTRY 2MS2

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.4300PROTEIN IN 1.25% OR 1.5% PEG 8000, 0.1M NA PHOSPHATE PH 7.4 AND 0.02% NA AZIDE WAS EQUILIBRATED AGAINST 0.35M OR 0.4M NA PHOSPHATE PH 7.4, 0.02% NA AZIDE AT 300 OR 370 C. WASHED CRYSTALS WERE SOAKED IN 2MG/ML RNA.
Crystal Properties
Matthews coefficientSolvent content
80

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 287.3α = 90
b = 287.3β = 90
c = 651.6γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray278IMAGE PLATEMARRESEARCH1997-09-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID2ESRFID2

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
12.830690.1853217248744.7
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)
2.82.95340.3611.91.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONDIFFERENCE FOURIERTHROUGHOUTPDB ENTRY 2MS22.830172479172479692768.30.1880.197RANDOM37.1
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
x_scangle_it10.69
x_scbond_it8.87
x_mcangle_it7.69
x_mcbond_it5.64
x_angle_deg1.38
x_bond_d0.006
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
RMS Deviations
KeyRefinement Restraint Deviation
x_scangle_it10.69
x_scbond_it8.87
x_mcangle_it7.69
x_mcbond_it5.64
x_angle_deg1.38
x_bond_d0.006
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d
x_improper_angle_d_na
x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2908
Nucleic Acid Atoms729
Solvent Atoms101
Heterogen Atoms

Software

Software
Software NamePurpose
CCP4model building
X-PLORrefinement
MOSFLMdata reduction
CCP4data scaling
CCP4phasing