9L1L | pdb_00009l1l

Structure of anti-HEL AiTab

• PDB DOI: https://doi.org/10.2210/pdb9L1L/pdb
• EM Map EMD-62748: EMDB EMDataResource

• Classification: PROTEIN BINDING
• Organism(s): Mus musculus, Gallus gallus
• Expression System: unidentified plasmid
• Mutation(s): No 


• Deposited: 2024-12-15 Released: 2026-02-18 
• Deposition Author(s): Kawakami, K., Yonekura, K.
• Funding Organization(s): Japan Agency for Medical Research and Development (AMED)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.09 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Antigen-specific immune regulation mediated by self TCR-like antibodies

Kishida, K., Kawakami, K., Yonekura, K., Arase, H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 5-mer - A1B1C1D1E1 

Biological assembly 1 assigned by authors and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 91.42 kDa 
• Atom Count: 6,155 
• Modeled Residue Count: 795 
• Deposited Residue Count: 808 
• Unique protein chains: 5

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
H-2 class II histocompatibility antigen, A-K alpha chain	A	179	Mus musculus	Mutation(s): 0  Gene Names: H2-Aa
UniProt
Find proteins for P01910 (Mus musculus) Explore P01910  Go to UniProtKB:  P01910

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
H-2 class II histocompatibility antigen, A-K beta chain	B	185	Mus musculus	Mutation(s): 0  Gene Names: H2-Ab1
UniProt
Find proteins for P06343 (Mus musculus) Explore P06343  Go to UniProtKB:  P06343

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
11-72 heavy chain(V region)-mouse IgG2b CH1	C	218	Mus musculus	Mutation(s): 0

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
11-72 kappa chain(V region)-kappa chain	D	211	Mus musculus	Mutation(s): 0

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Lysozyme C	E [auth P]	15	Gallus gallus	Mutation(s): 0  Gene Names: LYZ EC: 3.2.1.17
UniProt
Find proteins for P00698 (Gallus gallus) Explore P00698  Go to UniProtKB:  P00698

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.09 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-02-18 
Deposition Author(s): Kawakami, K., Yonekura, K.

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Funding Organization	Location	Grant Number
Japan Agency for Medical Research and Development (AMED)	Japan	--

Revision History  

• Version 1.0: 2026-02-18
  Type: Initial release