1I1Y

CRYSTAL STRUCTURE OF HUMAN CLASS I MHC (HLA-A2.1) COMPLEXED WITH BETA 2-MICROGLOBULIN AND HIV-RT VARIANT PEPTIDE I1Y

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D (A, D)	CLASS I HISTOCOMPATIBILITY ANTIGEN	polymer	275	31854.2	2	UniProt (P01892) Pfam (PF00129) Pfam (PF07654) UniProt (by SIFTS) (P04439)	Homo sapiens (human)	HLA-A2.1
2	B, E (B, E)	BETA 2-MICROGLOBULIN	polymer	100	11879.4	2	UniProt (P61769) Pfam (PF07654)	Homo sapiens (human)
3	C, F (C, F)	HIV-RT VARIANT PEPTIDE I1Y (YLKEPVHGV)	polymer	9	1043.2	2			I1Y
4	G, H, I, J, K... (A, B, C, D, E...)	water	water		18.0	199	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	89553.5
All*	Total formula weight	89553.5

*Water molecules are not included.