6HTW

Crystal structure of an ancient sequence-reconstructed Elongation factor Tu (node 184)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (H, B)	Elongation Factor Tu	polymer	385	42530.4	2		synthetic construct
2	C, E (H, B)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
3	D, F (H, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	G, H (H, B)	water	water		18.0	450	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	85060.7
Non-Polymers*	Number of molecules	4
	Total formula weight	935.0
All*	Total formula weight	85995.8

*Water molecules are not included.