FEATURES

FAMILY

DESCRIPTION

Also known as KCNE3_HUMAN, KCNE3. Ancillary protein that assembles as a beta subunit with a voltage-gated potassium channel complex of pore-forming alpha subunits. Modulates the gating kinetics and enhances stability of the channel complex. Assembled with KCNB1 modulates the gating characteristics of the delayed rectifier voltage-dependent potassium channel KCNB1 (PubMed:12954870). Associated with KCNC4/Kv3.4 is proposed to form the subthreshold voltage-gated potassium channel in skeletal muscle and to establish the resting membrane potential (RMP) in muscle cells. Associated with KCNQ1/KCLQT1 may form the intestinal cAMP-stimulated potassium channel involved in chloride secretion that produces a current with nearly instantaneous activation with a linear current-voltage relationship. Interacts with KCNB1. Interacts with KCNC2 (By similarity). Associates with KCNC4/Kv3.4 (PubMed:11207363). Interacts with KCNQ1; produces a current with nearly instantaneous activation with a linear current-voltage relationship and alters membrane raft localization (By similarity) (PubMed:20533308).

EXTERNAL LINKS

KCNE3

Potassium voltage-gated channel subfamily E member 3

KCNE3

Molecular Synopsis