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Structure of FabS1CE2_ER-2a in complex with the extracellular region of EGFR
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3QWQ chain A (EGFR receptor ectodomain) experimental model PDB 8VUC polypeptide, both chains used for Fab
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 295 0.1 M ammonium citrate, 0.1 M bis-tris propane pH 6.5, cryoprotected with this buffer plus 30% ethylene glycol
Crystal Properties Matthews coefficient Solvent content 3.28 62.51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 66.533 α = 114.16 b = 113.846 β = 95.24 c = 118.767 γ = 104.88
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS EIGER X 9M mirrors 2025-07-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS-II BEAMLINE 17-ID-1 0.919716 NSLS-II 17-ID-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) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 3.06 34.66 99.2 0.241 0.284 0.148 0.975 4.4 3.6 55114 43.7
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) Redundancy Number Unique Reflections (All) 1 3.06 3.25 98.9 1.468 1.721 0.891 0.409 0.9 3.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (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 DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 3.06 34.42 1.98 51632 2483 91.4 0.2144 0.2127 0.2124 0.2487 0.2485 64.34
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 Key Refinement Restraint Deviation f_dihedral_angle_d 16.7245 f_angle_d 0.6774 f_chiral_restr 0.0493 f_plane_restr 0.0066 f_bond_d 0.0033
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 15593 Nucleic Acid Atoms Solvent Atoms 10 Heterogen Atoms 160
Software Software Software Name Purpose PHENIX refinement PHENIX refinement autoPROC data reduction Aimless data scaling PHASER phasing