3BEW

10mer Crystal Structure of chicken MHC class I haplotype B21

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D (A, D)	Major histocompatibility complex class I glycoprotein haplotype B21	polymer	271	30930.4	2	UniProt (Q95601) Pfam (PF00129) Pfam (PF07654)	Gallus gallus (chicken)	MHC class I molecule precursor, MHC class I alpha chain 2, MHC class I antigen, MHC class I glycoprotein
2	B, E (B, E)	Beta-2-microglobulin	polymer	99	11193.6	2	UniProt (P21611) Pfam (PF07654)	Gallus gallus (chicken)
3	C, F (C, F)	10-mer from Tubulin beta-6 chain	polymer	10	1188.3	2	UniProt (P09207)		10mer peptide from B2, Beta-tubulin class-VI
4	G, H, I, J, K (A, B, D, E, F)	water	water		18.0	128	Chemie (HOH)

Sequence modifications

A, D: 1 - 270 (UniProt: Q95601)

PDB	External Database	Details
Arg 271	-	expression tag

B, E: 1 - 98 (UniProt: P21611)

PDB	External Database	Details
Met 0	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	86624.6
All*	Total formula weight	86624.6

*Water molecules are not included.