3W39

Crystal structure of HLA-B*5201 in complexed with HIV immunodominant epitope (TAFTIPSI)

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)	HLA class I histocompatibility antigen, B-52 alpha chain	polymer	277	32137.4	2	UniProt (P30490) Pfam (PF00129) Pfam (PF07654) UniProt (by SIFTS) (P01889)	Homo sapiens (human)	HLA class I histocompatibility antigen heavy chain, Bw-52, HLA class I histocompatibility antigen, B-5 alpha chain, MHC class I antigen B*52
2	B, E (B, E)	Beta-2-microglobulin	polymer	100	11879.4	2	UniProt (P61769) Pfam (PF07654)	Homo sapiens (human)	Beta-2-microglobulin form pI 5.3
3	C, F (C, F)	peptid from Gag-Pol polyprotein	polymer	8	849.0	2	UniProt (P12499)	Human immunodeficiency virus type 1 (Z2/CDC-Z34 ISOLATE)

Sequence modifications

A, D: 2 - 277 (UniProt: P30490)

PDB	External Database	Details
Met 1	-	expression tag

B, E: 1 - 99 (UniProt: P61769)

PDB	External Database	Details
Met 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	89731.5
All*	Total formula weight	89731.5

*Water molecules are not included.