2IAL

Structural basis for recognition of mutant self by a tumor-specific, MHC class II-restricted TCR

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	CD4+ T cell receptor E8 alpha chain	polymer	202	22399.7	2	UniProt (P01848) Pfam (PF09291) In PDB	Homo sapiens (human)
2	B, D	CD4+ T cell receptor E8 beta chain	polymer	240	27088.2	2	UniProt (P01850) Pfam (PF07654) In PDB	Homo sapiens (human)
3		water	water		18.0	243	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	98975.8
All*	Total formula weight	98975.8

*Water molecules are not included.