Structure of FabS1CE2_ER-3c in complex with the extracellular region of EGFR


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6ARUchain A, residues 309-555
experimental modelPDB 8TRSfragment representing Hv/Lv of this Fab
experimental modelPDB 8TRSfragment representing HC1/LC1 of this Fab

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2950.2M potassium thiocyanate, 20% PEG3350, cryoprotected with this buffer plus 30% ethylene glycol
Crystal Properties
Matthews coefficientSolvent content
3.8568.04

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 101.06α = 90
b = 72.116β = 101.65
c = 126.211γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16Mmirrors2025-02-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS-II BEAMLINE 17-ID-20.979346NSLS-II17-ID-2

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
12.443.11295.10.130.1680.1060.9887.94.36637940.33
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)
12.42.4431001.241.6191.0290.3641.24.5

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-VALUE2.443.111.3466331328695.070.19690.19450.19470.24260.242758.85
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_d17.4106
f_angle_d1.0545
f_chiral_restr0.0661
f_bond_d0.009
f_plane_restr0.0088
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7883
Nucleic Acid Atoms
Solvent Atoms251
Heterogen Atoms281

Software

Software
Software NamePurpose
PHENIXrefinement
PHENIXrefinement
autoPROCdata reduction
Aimlessdata scaling
PHASERphasing