1KGC

Immune Receptor

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (D)	T-cell receptor alpha chain	polymer	206	22849.3	1	UniProt (P01848) Pfam (PF09291)	Homo sapiens (human)
2	B (E)	T-cell receptor beta chain	polymer	242	27316.3	1	UniProt (P01850) Pfam (PF07654)	Homo sapiens (human)
3	C, D (D, E)	water	water		18.0	686	Chemie (HOH)

Sequence modifications

D: 2 - 210 (UniProt: P01848)

PDB	External Database	Details
Met 1	-	initiating methionine

E: 3 - 247 (UniProt: P01850)

PDB	External Database	Details
Met 2	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	50165.6
All*	Total formula weight	50165.6

*Water molecules are not included.