7CN0

Cryo-EM structure of K+-bound hERG channel

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 (A, B, C, D)	potassium channel 1	polymer	820	91792.1	4		Homo sapiens
2	E, F (A)	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	367168.3
Non-Polymers*	Number of molecules	2
	Total formula weight	78.2
All*	Total formula weight	367246.5

*Water molecules are not included.