3IEU

Crystal Structure of ERA in Complex with GDP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	GTP-binding protein era	polymer	301	33858.1	2	UniProt (P06616) Pfam (PF01926) Pfam (PF07650) In PDB	Escherichia coli K-12
2	A, B	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
3	A, B	SULFATE ION	non-polymer		96.1	13	Chemie (SO4)
4	A	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	1	Chemie (TRS)
5		water	water		18.0	42	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	67716.2
Non-Polymers*	Number of molecules	16
	Total formula weight	2257.4
All*	Total formula weight	69973.5

*Water molecules are not included.