ISDA

Deposition Date 2024-07-10

Release Date 2025-05-28

Last Version Date 2025-06-25

Entry Detail

PDB ID:

9IPA

Keywords:

ANTITUMOR PROTEIN/IMMUNE SYSTEM

Title:

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

Biological Source:

Source Organism:

Homo sapiens (Taxon ID: 9606)
synthetic construct (Taxon ID: 32630)

Host Organism:

Cricetulus griseus

Method Details:

Experimental Method:

ELECTRON MICROSCOPY

Resolution:

3.85 Å

Aggregation State:

PARTICLE

Reconstruction Method:

SINGLE PARTICLE

Download Validation Report

Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Epidermal growth factor receptor
Gene (Uniprot):EGFR
Chain IDs:A
Chain Length:627
Number of Molecules:1
Biological Source:Homo sapiens

UniProt ID:P00533 Pfam ID:PF01030, PF00757, PF14843 EC:2.7.10.1

Polymer Type:polypeptide(L)
Molecule:HL-type bispecific diabody Ex3
Mutations:Y52W
Chain IDs:B
Chain Length:527
Number of Molecules:1
Biological Source:synthetic construct

Protein Blast

Polymer Type:polypeptide(L)
Molecule:T-cell surface glycoprotein CD3 gamma chain,T-cell surface glycoprotein CD3 epsilon chain
Gene (Uniprot):CD3E, CD3G
Chain IDs:C
Chain Length:204
Number of Molecules:1
Biological Source:Homo sapiens

UniProt ID:P09693,P07766 Pfam ID:PF16680, PF16681

Primary Citation

Bispecific antibody-antigen complex structures reveal activity enhancement by domain rearrangement

Sato, K, Uehara, S, Tsugita, A, Ishii, M, Ishiyama, S, Maejima, A, Nakahara, I, Nazuka, M, Matsui, T, Christos, G, Yokoyama, T, Kumagai, I, Makabe, K, Asano, R, Tanaka, Y.Show

Cell Rep ? ? ? (2025)

Primary Citation of related structures