Source: wikibot/ryanodine-receptor-3
= Ryanodine receptor 3
{wiki=Ryanodine_receptor_3}
Ryanodine receptor 3 (RyR3) is one of the three isoforms of ryanodine receptors, which are intracellular calcium channels primarily located in the sarcoplasmic reticulum of muscle cells, as well as in other cell types.