1EFC

INTACT ELONGATION FACTOR 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)	PROTEIN (ELONGATION FACTOR)	polymer	393	43239.3	2	UniProt (P0A6N1) Pfam (PF00009) Pfam (PF03144) Pfam (PF03143) UniProt (by SIFTS) (P0CE47)	Escherichia coli	EFTU
2	C, E (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	D, F (A, B)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
4	G, H (A, B)	water	water		18.0	446	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	86478.6
Non-Polymers*	Number of molecules	4
	Total formula weight	935.0
All*	Total formula weight	87413.6

*Water molecules are not included.