1YN7

Crystal structure of a mouse MHC class I protein, H2-Db, in complex with a mutated peptide (R7A) of the influenza A acid polymerase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	H-2 class I histocompatibility antigen, D-B alpha chain	polymer	273	31804.4	1	UniProt (P01899) Pfam (PF00129) Pfam (PF07654) In PDB	Mus musculus (house mouse)	H- 2DB
2	B	Beta-2-microglobulin	polymer	100	11835.6	1	UniProt (P01887) Pfam (PF07654) In PDB	Mus musculus (house mouse)
3	C	10-mer peptide from RNA-directed RNA polymerase subunit P2	polymer	10	1100.2	1	UniProt (P13175) In PDB		Polymerase acidic protein, PA
4		water	water		18.0	236	Chemie (HOH)

Sequence modifications

B: 1 - 99 (UniProt: P01887)

PDB	External Database	Details
Met 0	-	initiating methionine

C: 1 - 10 (UniProt: P13175)

PDB	External Database	Details
Ala 7	Arg 230	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	44740.2
All*	Total formula weight	44740.2

*Water molecules are not included.