2XQ4

Pentameric ligand gated ion channel GLIC in complex with tetramethylarsonium (TMAs)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E	GLR4197 PROTEIN	polymer	317	36277.7	5	UniProt (Q7NDN8) Pfam (PF02931) In PDB	GLOEOBACTER VIOLACEUS PCC 7421	PENTAMERIC LIGAND GATED ION CHANNEL
2	C	ARSENIC	non-polymer		74.9	1	Chemie (ARS)

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	181388.6
Non-Polymers*	Number of molecules	1
	Total formula weight	74.9
All*	Total formula weight	181463.5

*Water molecules are not included.