4G43

Structure of the chicken MHC class I molecule BF2*0401 complexed to P5E

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)	MHC class I alpha chain 2	polymer	275	31853.5	2	UniProt (O46790)	Gallus gallus	MHC class I glycoprotein, MHC class I molecule
2	B, E (B, E)	Beta-2 microglobulin	polymer	101	11469.9	2	UniProt (P21611) Pfam (PF07654)	Gallus gallus
3	C, F (C, F)	8-MERIC PEPTIDE P5E	polymer	8	1024.1	2	UniProt (by SIFTS) (Q6J4Y8)	Gallus gallus
4	G (D)	(4S)-2-METHYL-2,4-PENTANEDIOL	non-polymer		118.2	1	Chemie (MPD)
5	H, I, J, K, L... (A, B, C, D, E...)	water	water		18.0	606	Chemie (HOH)

Sequence modifications

A, D: 1 - 270 (UniProt: O46790)

PDB	External Database	Details
Met -2	-	expression tag
Glu -1	-	expression tag
Phe 0	-	expression tag
Glu 244	Asp 265	engineered mutation
Lys 271	-	expression tag
Leu 272	-	expression tag

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

PDB	External Database	Details
Met -2	-	expression tag
Glu -1	-	expression tag
Phe 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	88694.9
Non-Polymers*	Number of molecules	1
	Total formula weight	118.2
All*	Total formula weight	88813.1

*Water molecules are not included.