3BJ4

The KCNQ1 (Kv7.1) C-terminus, a multi-tiered scaffold for subunit assembly and protein interaction

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Potassium voltage-gated channel subfamily KQT member 1	polymer	49	5424.2	2	UniProt (P51787) Pfam (PF03520) In PDB	Homo sapiens (human)	Voltage-gated potassium channel subunit Kv7.1, IKs producing slow voltage-gated potassium channel subunit alpha KvLQT1, KQT-like 1
2	A	NICKEL (II) ION	non-polymer		58.7	1	Chemie (NI)
3		water	water		18.0	53	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	10848.4
Non-Polymers*	Number of molecules	1
	Total formula weight	58.7
All*	Total formula weight	10907.1

*Water molecules are not included.