1ZT7

crystal structure of class I MHC H-2Kk in complex with a nonapeptide

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	H-2 class I histocompatibility antigen, K-K alpha chain	polymer	276	32228.0	2	UniProt (P04223) Pfam (PF00129) Pfam (PF07654) In PDB	Mus musculus (house mouse)	class I mouse MHC H-2Kk heavy chain, H- 2KK
2	B, D	Beta-2-microglobulin	polymer	100	11835.6	2	UniProt (P01887) Pfam (PF07654) In PDB	Mus musculus (house mouse)
3	P, Q	SV40 epitope, SEFLLEKRI	polymer	9	1136.3	2
4		water	water		18.0	146	Chemie (HOH)

Sequence modifications

A, C: 1 - 275 (UniProt: P04223)

PDB	External Database	Details
Met 0	-	initiating methionine

B, D: 1 - 99 (UniProt: P01887)

PDB	External Database	Details
Met 0	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	90399.8
All*	Total formula weight	90399.8

*Water molecules are not included.