3FFT

Crystal Structure of CheY double mutant F14E, E89R complexed with BeF3- and Mn2+

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Chemotaxis protein cheY	polymer	128	13991.2	2	UniProt (P0AE67) Pfam (PF00072) In PDB	Escherichia coli
2	A, B	MANGANESE (II) ION	non-polymer		54.9	2	Chemie (MN)
3	A, B	BERYLLIUM TRIFLUORIDE ION	non-polymer		66.0	2	Chemie (BEF)
4	A, B	GLYCEROL	non-polymer		92.1	4	Chemie (GOL)
5	A, B	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
6		water	water		18.0	344	Chemie (HOH)

Sequence modifications

A, B: 2 - 129 (UniProt: P0AE67)

PDB	External Database	Details
Glu 14	Phe 14	engineered mutation
Arg 89	Glu 89	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	27982.3
Non-Polymers*	Number of molecules	10
	Total formula weight	802.4
All*	Total formula weight	28784.7

*Water molecules are not included.