4YLG

Structure of an ADP ribosylation factor from Entamoeba histolytica HM-1:IMSS bound to Mg-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	ADP-ribosylation factor	polymer	173	19786.8	2	UniProt (C4LXL1) Pfam (PF00025) In PDB	Entamoeba histolytica HM-1:IMSS	Small GTPase ArfA1
2	A, B	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
3	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4		water	water		18.0	313	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	39573.6
Non-Polymers*	Number of molecules	4
	Total formula weight	935.0
All*	Total formula weight	40508.6

*Water molecules are not included.