3U0O

The crystal structure of selenophosphate synthetase from E. coli

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)	Selenide, water dikinase	polymer	347	36724.2	2	UniProt (P16456) Pfam (PF00586) Pfam (PF02769)	Escherichia coli	Selenium donor protein, Selenophosphate synthase
2	C, D (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	E, F (A, B)	water	water		18.0	52	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	73448.4
Non-Polymers*	Number of molecules	2
	Total formula weight	48.6
All*	Total formula weight	73497.0

*Water molecules are not included.