483D

CRYSTAL STRUCTURE OF THE SARCIN/RICIN DOMAIN FROM E. COLI 23 S RRNA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP73.0 - 3.2 M (NH4)2SO4, (50 MM KMOPS, 10 MM MGCL2, 10MM MNCL2), 2.5 MG/ML RNA, pH 7.00, VAPOR DIFFUSION, HANGING DROP
Crystal Properties
Matthews coefficientSolvent content
1.9750

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 29.481α = 90
b = 29.481β = 90
c = 76.353γ = 90
Symmetry
Space GroupP 43

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSCBENT CYLINDRICAL SI-MIRROR1998-05-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 14-BM-DAPS14-BM-D

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
11.112097.90.0420.04235.44.725407-3
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)
1.111.122.30.4870.4872.22.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE RTHE RELATED RAT SARCIN/RICIN STRUCTURE (430D)1.112023932126797.90.1560.1520.202RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
8732
RMS Deviations
KeyRefinement Restraint Deviation
s_similar_adp_cmpnt0.027
s_angle_d0.024
s_anti_bump_dis_restr0.011
s_bond_d0.007
s_from_restr_planes0.006
s_rigid_bond_adp_cmpnt0.005
s_similar_dist
s_zero_chiral_vol
s_non_zero_chiral_vol
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms682
Solvent Atoms155
Heterogen Atoms

Software

Software
Software NamePurpose
X-PLORmodel building
SHELXL-97refinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLORphasing