3QUL

Crystal structures of the murine class I major histocompatibility complex H-2Db in complex with LCMV-derived gp33 altered peptide ligand (Y4S)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D, G, J	H-2 class I histocompatibility antigen, D-B alpha chain	polymer	276	32087.7	4	UniProt (P01899) Pfam (PF00129) Pfam (PF07654) In PDB	Mus musculus (Mouse)	H-2D(B)
2	B, E, H, K	Beta-2-microglobulin	polymer	99	11704.4	4	UniProt (P01887) Pfam (PF07654) In PDB	Mus musculus (Mouse)
3	C, F, I, L	Pre-glycoprotein polyprotein GP complex	polymer	9	969.1	4	UniProt (P07399) In PDB	Lymphocytic choriomeningitis virus	Pre-GP-C
4		water	water		18.0	915	Chemie (HOH)

Sequence modifications

B, E, H, K: 1 - 99 (UniProt: P01887)

PDB	External Database	Details
Asp 85	Ala 105	variant

C, F, I, L: 1 - 9 (UniProt: P07399)

PDB	External Database	Details
Ser 4	Tyr 36	engineered mutation
Met 9	Cys 41	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	179044.8
All*	Total formula weight	179044.8

*Water molecules are not included.