9KBU

Crystal structure of an ankyrin protein

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Ankyrin	polymer	169	18192.4	2		synthetic construct
2	C, D, H, I, J... (A, B)	SULFATE ION	non-polymer		96.1	8	Chemie (SO4)
3	E, F (A)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4	G, N (A, B)	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	2	Chemie (TRS)
5	O, P (A, B)	water	water		18.0	278	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	36384.8
Non-Polymers*	Number of molecules	12
	Total formula weight	1083.7
All*	Total formula weight	37468.5

*Water molecules are not included.