2ATP

Crystal structure of a CD8ab heterodimer

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, C)	T-cell surface glycoprotein CD8 alpha chain	polymer	122	13842.9	2	UniProt (P01731) Pfam (PF07686)	Mus musculus (house mouse)	T-cell surface glycoprotein Lyt-2
2	B, E (E, F)	artifact linker	polymer	29	3028.2	2
3	C, F (B, D)	T-cell surface glycoprotein CD8 beta chain	polymer	115	13039.0	2	UniProt (P10300) Pfam (PF07686)	Mus musculus (house mouse)	T-cell surface glycoprotein Lyt-3, T-cell membrane glycoprotein Ly-3
4	G, H, I (A, C, D)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	3	Chemie (NAG)
5	J, K, L, M (A, B, C, D)	water	water		18.0	44	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	59820.1
Non-Polymers*	Number of molecules	3
	Total formula weight	663.6
All*	Total formula weight	60483.7

*Water molecules are not included.