3PGD

Crystal Structure of HLA-DR1 with CLIP106-120, canonical peptide orientation

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D	HLA class II histocompatibility antigen, DR alpha chain	polymer	193	22353.2	2	UniProt (P01903) Pfam (PF00993) Pfam (PF07654) In PDB	Homo sapiens (human)	MHC class II antigen DRA
2	B, E	HLA class II histocompatibility antigen, DRB1-1 beta chain	polymer	199	23087.8	2	UniProt (P04229) Pfam (PF00969) Pfam (PF07654) UniProt (by SIFTS) (P01911) In PDB	Homo sapiens (human)	MHC class II antigen DRB1*1, DR-1, DR1
3	C, F	HLA class II histocompatibility antigen gamma chain	polymer	15	1734.3	2	UniProt (P04233) In PDB	Homo sapiens	HLA-DR antigens-associated invariant chain, Ia antigen-associated invariant chain, Ii, p33
4		water	water		18.0	173	Chemie (HOH)

Sequence modifications

A, D: 1 - 192 (UniProt: P01903)

PDB	External Database	Details
Met 0	-	EXPRESSION TAG

B, E: 1 - 198 (UniProt: P04229)

PDB	External Database	Details
Met 0	-	EXPRESSION TAG

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	94350.6
All*	Total formula weight	94350.6

*Water molecules are not included.