X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3FSEPDB ENTRY 3FSE, trimmed to the 4 helix module, side chains removed

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.629319% PEG10K, 100 mM Na-acetate pH 4.6, SrCl2 20mM, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
1.9135.61

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 40.576α = 90
b = 71.219β = 111.62
c = 48.781γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDADSC QUANTUM 315rmirrors2009-04-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID23-10.976250ESRFID23-1

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
12.2545.3696.80.0920.0928.53.512342119472.62.636.5
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)
12.252.3796.20.4850.4852.63.51726

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 3FSE, trimmed to the 4 helix module, side chains removed2.2545.352.6123421134759296.740.223810.223810.220790.28474RANDOM40.997
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]
5.933.1-2.77-0.88
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.55
r_dihedral_angle_3_deg18.698
r_dihedral_angle_4_deg16.455
r_dihedral_angle_1_deg5.816
r_scangle_it4.254
r_scbond_it2.495
r_mcangle_it1.566
r_angle_refined_deg1.507
r_mcbond_it0.816
r_chiral_restr0.092
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.55
r_dihedral_angle_3_deg18.698
r_dihedral_angle_4_deg16.455
r_dihedral_angle_1_deg5.816
r_scangle_it4.254
r_scbond_it2.495
r_mcangle_it1.566
r_angle_refined_deg1.507
r_mcbond_it0.816
r_chiral_restr0.092
r_bond_refined_d0.015
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1908
Nucleic Acid Atoms
Solvent Atoms21
Heterogen Atoms

Software

Software
Software NamePurpose
ADSCdata collection
PHASERphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling