Crystal Structure of the Human Oncogenic Splice Variant Rac1b Fused with the Scaffold Protein POSH (residues 319-348)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 9RFF 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.829314% 1-propanol, 10% PEG 5000 MME, 0.1 M MES pH 6.8
Crystal Properties
Matthews coefficientSolvent content
2.7955.96

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.341α = 90
b = 109.618β = 90
c = 46.641γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-FCompound refractive element2022-03-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE MASSIF-10.96546ESRFMASSIF-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
11.7748.73930.1150.120.0330.99712.112.918728
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.771.97641.741.820.520.681.711.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.77448.731872897467.5320.1590.1560.16830.21220.222235.207
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]
5.728-2.024-3.704
RMS Deviations
KeyRefinement Restraint Deviation
r_lrange_it18.203
r_lrange_other18.2
r_dihedral_angle_6_deg15.019
r_scangle_it13.113
r_scangle_other13.108
r_mcangle_other12.353
r_mcangle_it12.348
r_dihedral_angle_3_deg11.883
r_scbond_it8.827
r_scbond_other8.821
RMS Deviations
KeyRefinement Restraint Deviation
r_lrange_it18.203
r_lrange_other18.2
r_dihedral_angle_6_deg15.019
r_scangle_it13.113
r_scangle_other13.108
r_mcangle_other12.353
r_mcangle_it12.348
r_dihedral_angle_3_deg11.883
r_scbond_it8.827
r_scbond_other8.821
r_mcbond_it8.253
r_mcbond_other8.226
r_dihedral_angle_1_deg6.708
r_dihedral_angle_2_deg6.304
r_rigid_bond_restr3.813
r_angle_refined_deg1.472
r_angle_other_deg0.491
r_chiral_restr_other0.331
r_nbd_refined0.205
r_symmetry_nbd_other0.201
r_nbd_other0.189
r_nbtor_refined0.172
r_xyhbond_nbd_refined0.157
r_symmetry_xyhbond_nbd_refined0.084
r_symmetry_nbtor_other0.083
r_symmetry_nbd_refined0.08
r_chiral_restr0.07
r_dihedral_angle_other_2_deg0.055
r_bond_refined_d0.007
r_gen_planes_refined0.006
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1517
Nucleic Acid Atoms
Solvent Atoms76
Heterogen Atoms38

Software

Software
Software NamePurpose
REFMACrefinement
autoPROCdata reduction
Aimlessdata scaling
PHASERphasing