5WKV

Structure of an acid sensing ion channel in a resting state with calcium

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, B	Acid-sensing ion channel 1	polymer	439	50241.2	3	UniProt (Q1XA76) Pfam (PF00858) In PDB	Gallus gallus (Chicken)	ASIC1,Amiloride-sensitive cation channel 2,neuronal
2	D, E	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	2	In PDB GlyTouCan (G42666HT)
3	A, C, B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	4	Chemie (NAG)
4	A, B	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
5	A, C, B	CALCIUM ION	non-polymer		40.1	6	Chemie (CA)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	150723.5
Branched	Number of molecules	2
	Total formula weight	848.8
Non-Polymers*	Number of molecules	12
	Total formula weight	1196.2
All*	Total formula weight	152768.5

*Water molecules are not included.