3VFM

crystal structure of HLA B*3508 LPEP155A, HLA mutant Ala155

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	MHC class I antigen	polymer	276	31927.2	1	UniProt (C5MK56) Pfam (PF00129) Pfam (PF07654) In PDB	Homo sapiens (human)
2	B	Beta-2-microglobulin	polymer	100	11879.4	1	UniProt (P61769) Pfam (PF07654) In PDB	Homo sapiens (human)	Beta-2-microglobulin form pI 5.3
3	C	LPEP peptide from EBV, LPEPLPQGQLTAY	polymer	13	1426.6	1
4		water	water		18.0	416	Chemie (HOH)

Sequence modifications

A: 1 - 276 (UniProt: C5MK56)

PDB	External Database	Details
Ala 155	Gln 179	engineered mutation

B: 1 - 99 (UniProt: P61769)

PDB	External Database	Details
Met 0	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	45233.2
All*	Total formula weight	45233.2

*Water molecules are not included.