9ipd

Poly-alanine model for LH-type bispecific diabody Ex3 composed of 528 and OKT3 Fvs in ternary complex with sEGFR and CD3gamma-epsilon (middle conformation)

Method: ELECTRON MICROSCOPY Dmax: 153.5 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 Insufficient information Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 25–645 Not recorded LH-type bispecific diabody Ex3 × 1 T-cell surface glycoprotein CD3 gamma chain,T-cell surface glycoprotein CD3 epsilon chain × 1 (P09693,P07766) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.29 Å

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 565 assemblies. Open the comparison page and filter oligomeric states

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

T-cell surface glycoprotein CD3 gamma chain,T-cell surface glycoprotein CD3 epsilon chain

Homo sapiens

UniProt P07766

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 23–118 Not recorded Epidermal growth factor receptor × 1 (P00533) LH-type bispecific diabody Ex3 × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.29 Å

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.

42 other PDB entries and 50 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CD3E_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 109–204; UniProt 23–118

T-cell surface glycoprotein CD3 gamma chain,T-cell surface glycoprotein CD3 epsilon chain

Homo sapiens

UniProt P09693

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 23–103 Not recorded Epidermal growth factor receptor × 1 (P00533) LH-type bispecific diabody Ex3 × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.29 Å

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.

37 other PDB entries and 42 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CD3G_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 2–82; UniProt 23–103

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 9ipd

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9ipd
Deposition date deposition_date2024-07-10
Structure title titlePoly-alanine model for LH-type bispecific diabody Ex3 composed of 528 and OKT3 Fvs in ternary complex with sEGFR and CD3gamma-epsilon (middle conformation)
Keywords keywords;bispecific antibody, diabody, EGFR, CD3, ternary complex, LH, Ex3, 528, OKT3, ANTITUMOR PROTEIN, ANTITUMOR PROTEIN-IMMUNE SYSTEM complex ;; ANTITUMOR PROTEIN/IMMUNE SYSTEM
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier49.13
Radius of gyration Rg (electron density) rg_electron49.97
Forward intensity I(0) i0148964000.00
Molecular weight molecular_weight80520.0 kDa
Excluded volume excluded_volume92254 ų
Envelope volume envelope_volume216020 ų
Hydration-shell volume shell_volume39478 ų
Envelope diameter envelope_diameter162.0
Shell Rg shell_rg47.75
Envelope Rg envelope_rg48.10
Shape Rg shape_rg49.97
Total Rg total_rg49.88
Total atoms total_atoms5753
Residues n_residues1172
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 dmax153.5
Rg (real space) rg_real49.71
Rg uncertainty (real space) rg_real_error1.37
I(0) (real space) i0_real1.4900e+08
I(0) uncertainty (real space) i0_real_error2.6560e+06
Rg (reciprocal space) rg_reciprocal49.14
I(0) (reciprocal space) i0_reciprocal148900000.0000
Solution quality estimate total_estimate0.8123
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary52.8
Skewness Skewness skewness0.395
Kurtosis Kurtosis kurtosis-0.647
Angular range angular_range— – 0.1600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6055000.0000
Real-space data points n_real_points33
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.934; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.754; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)