1KJM

TAP-A-associated rat MHC class I molecule

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	RT1 class I histocompatibility antigen, AA alpha chain, heavy chain	polymer	285	33327.0	1	UniProt (P16391) Pfam (PF00129) Pfam (PF07654) In PDB	Rattus norvegicus (Norway rat)	MHC class I RT1-AA heavy chain
2	B	beta-2-Microglobulin	polymer	100	11783.5	1	UniProt (P07151) Pfam (PF07654) In PDB	Rattus norvegicus (Norway rat)
3	P	B6 Peptide	polymer	9	925.0	1
4	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
5		water	water		18.0	144	Chemie (HOH)

Sequence modifications

A: 1 - 276 (UniProt: P16391)

PDB	External Database	Details
Leu 277	-	expression tag
Glu 262	-	expression tag
His 263	-	expression tag
His 280	-	expression tag
His 281	-	expression tag
His 282	-	expression tag
His 283	-	expression tag
His 284	-	expression tag

B: 1 - 99 (UniProt: P07151)

PDB	External Database	Details
Met 0	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	46035.4
Non-Polymers*	Number of molecules	1
	Total formula weight	96.1
All*	Total formula weight	46131.5

*Water molecules are not included.