1FQW

CRYSTAL STRUCTURE OF ACTIVATED CHEY

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)	CHEMOTAXIS CHEY PROTEIN	polymer	128	13981.1	2	UniProt (P06143) Pfam (PF00072) UniProt (by SIFTS) (P0AE67)	Escherichia coli
2	C, E (A, B)	MANGANESE (II) ION	non-polymer		54.9	2	Chemie (MN)
3	D, F (A, B)	BERYLLIUM TRIFLUORIDE ION	non-polymer		66.0	2	Chemie (BEF)
4	G, H (A, B)	water	water		18.0	173	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	27962.3
Non-Polymers*	Number of molecules	4
	Total formula weight	241.9
All*	Total formula weight	28204.2

*Water molecules are not included.