SS-ROX structure analysis of H-Ras using caged-compound complex: freeze-trap series (5 hr after UV light irradiation)


X-RAY DIFFRACTION

Serial Crystallography (SX)

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3K8Yamino acid models of residue number 29-39, 61-74, and 96-109 are truncated

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1BATCH MODE6.429818% w/v PEG 8000, 0.2M calcium acetate, 0.1M MES pH 6.4, microseeding
Crystal Properties
Matthews coefficientSolvent content
2.5952.52

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 92.397α = 90
b = 92.397β = 90
c = 121.635γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 XE 16M2025-02-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL41XU1.0000SPring-8BL41XU

Serial Crystallography

Sample delivery method
Diffraction IDDescriptionSample Delivery Method
1fixed targetfixed target
Fixed Target
Diffraction IDDescriptionSample HoldingSupport BaseMotion controlDetails Sample Solvent
1microcrystal suspension was fished by loopmicrocrystals were holded with frozen cryoprotectantgoniometerQKSU00.25 degree rotation per frame15% w/v PEG 8000, 0.166 M calcium acetate, 0.083 M MES pH 6.4, 16.6% v/v PEG 400
Measurement
Diffraction IDPulse DurationPulse Repetition RateFocal Spot SizePulse EnergyPhotons Per Pulse
1undefined (fs)undefined (KeV)
Data Reduction
Diffraction IDFrames IndexedCrystal HitsFrames IndexedLatices Merged
15323010588953230

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)R Split (All)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
11.866.891000.99680.072412.671618.31875616.75
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)R Split (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.831000.67540.57022.091110

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1.866.851.36187569621000.18490.18370.18390.2070.207123.67
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
f_dihedral_angle_d21.7663
f_angle_d0.8884
f_chiral_restr0.0543
f_plane_restr0.0058
f_bond_d0.0054
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1224
Nucleic Acid Atoms
Solvent Atoms87
Heterogen Atoms62

Software

Software
Software NamePurpose
PHENIXrefinement
CrystFELdata reduction
CrystFELdata scaling
PHASERphasing