9z9f

Structure of FabS1CE2_ER-2a in complex with the extracellular region of EGFR

Method: X-RAY DIFFRACTION Dmax: 175.8 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Epidermal growth factor receptor

Homo sapiens

UniProt P00533

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain K; UniProt 25–645 Mutation:residue 25-645 heavy chain × 1 light chain × 1 DI(HYDROXYETHYL)ETHER × 2 SODIUM ION × 4 CHLORIDE ION × 1 1,2-ETHANEDIOL × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 3.06 Å R-free 0.249
2 Other combination Heteromer Protein × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain G; UniProt 25–645 Mutation:residue 25-645 heavy chain × 1 light chain × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 SODIUM ION × 5 CHLORIDE ION × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 3.06 Å R-free 0.249

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

383 other PDB entries and 564 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name EGFR_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain G; PDBConstruct 1–621; UniProt 25–645 Author chain K; PDBConstruct 1–621; UniProt 25–645

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 9z9f

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9z9f
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9z9f
Deposition date deposition_date2025-11-18
最后修订 last_revision2026-06-03
Structure title titleStructure of FabS1CE2_ER-2a in complex with the extracellular region of EGFR
Keywords keywordsepidermal growth factor receptor, high-affinity antibody, dimerization arm, inhibition, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier53.21
Radius of gyration Rg (electron density) rg_electron52.63
Forward intensity I(0) i0808108000.00
Molecular weight molecular_weight225290.0 kDa
Excluded volume excluded_volume277090 ų
Envelope volume envelope_volume446880 ų
Hydration-shell volume shell_volume72871 ų
Envelope diameter envelope_diameter177.7
Shell Rg shell_rg53.06
Envelope Rg envelope_rg51.12
Shape Rg shape_rg52.55
Total Rg total_rg52.91
Total atoms total_atoms15753
Residues n_residues2101
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax175.8
Rg (real space) rg_real53.14
Rg uncertainty (real space) rg_real_error1.61
I(0) (real space) i0_real8.0810e+08
I(0) uncertainty (real space) i0_real_error1.5640e+07
Rg (reciprocal space) rg_reciprocal53.26
I(0) (reciprocal space) i0_reciprocal808200000.0000
Solution quality estimate total_estimate0.8742
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary70.3
Skewness Skewness skewness0.193
Kurtosis Kurtosis kurtosis-0.417
Angular range angular_range— – 0.1500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha26240000.0000
Real-space data points n_real_points31
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.885; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.712

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

8. Citations (1)

9. Files and Curves (10)