Trimeric intracellular cation (TRIC/TMEM38) channels are monovalent cation channels that contribute to balancing ionic fluxes across the endoplasmic/sarcoplasmic reticulum membrane during Ca[2+] store release by allowing K[+] to enter from the cytosol. (Adapted from
PMID:26228553,
PMID:17611541 and
PMID:3474637).