unc-93 encodes a novel transmembrane protein that affects muscle contraction and egg laying; UNC-93 is predicted to be a component of a multi-protein complex containing the SUP-9 two-pore potassium channel and the SUP-10 transmembrane protein; an UNC-93::GFP fusion protein is expressed in body wall muscle membranes and dense bodies as well as in the vulval and intestinal muscles; neuronal UNC-93::GFP expression is found in the four SIA neurons that originate in the head, receive some synapses in the nerve ring, and extend posteriorly directed processes; in muscle cells, UNC-93::GFP colocalizes with SUP-9 to dense bodies and membranes.
Enables potassium channel regulator activity. Involved in regulation of muscle contraction and regulation of potassium ion transport. Located in plasma membrane and striated muscle dense body. Expressed in SIA; body wall musculature; and non-striated muscle. Is an ortholog of human UNC93A (unc-93 homolog A).