X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1HHSPDB ENTRY 1HHS

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.3100MM HEPES PH7.3, 13% PEG 20000, 2MM MNCL2, 2% EG, 0.036MG PROTEIN INCUBATED WITH 0.006MM 6NT RNA, pH 7.30
Crystal Properties
Matthews coefficientSolvent content
359

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 105.13α = 90
b = 93.711β = 101.22
c = 140.741γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray150CCDADSC CCDMIRRORS2002-01-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX14.2SRSPX14.2

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
12.152097.80.12613.3111424761.631.8
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)
12.132.1583.70.8181.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1HHS2.1519.93142476720897.80.230.230.256RANDOM33.9
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]
-2.49-3.2911.24-8.75
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23
c_scangle_it5.54
c_scbond_it4.23
c_mcangle_it3.41
c_mcbond_it2.58
c_angle_deg1.5
c_improper_angle_d1.05
c_bond_d0.011
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23
c_scangle_it5.54
c_scbond_it4.23
c_mcangle_it3.41
c_mcbond_it2.58
c_angle_deg1.5
c_improper_angle_d1.05
c_bond_d0.011
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_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms15795
Nucleic Acid Atoms231
Solvent Atoms418
Heterogen Atoms3

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing