Class 3 allele e1597sd : severe kinker little movement slight Egl; e1597/+ somewhat less severe kinker. ES3 ME0. NA2 (n500). Class 1 (loss-of-function) alleles : intragenic revertants of e1596 e.g. e1597n1212 wildtype phenotype.
See also e1597, n500, n1211, n1212, n1213, n1214, n1215
[Reiner D]] Mac-d (Muscle ACtivation-Defective)
[C.elegansII] e1597sd : homozygote severe kinker, little movement; slight Egl; e1597/+ somewhat less severe kinker. Muscle activation defective(flaccid, long). Neomorphic (gf) allele.ES3 ME0. OA1 (gf): n500. Also intragenic revertants: e1597n1212spo(wildtype, probable null), e1597n1213, n500n1211 etc. OA5 (ird). [Park and Horvitz 1986a; JT; MT]
unc-103 encodes an ether-a-go-go-related (ERG) K+ channel homolog, orthologous to human KCNH6 (OMIM:608168); UNC-103 regulates muscle activation in motility, egg-laying and male spicule protraction; UNC-103 is expressed highly in many neurons; gain-of-function unc-103 alleles can be uncoordinated, while loss-of-function alleles have a more subtle defect in copulatory spicule protraction.
Predicted to enable inward rectifier potassium channel activity. Involved in mating behavior and regulation of muscle contraction. Predicted to be located in plasma membrane. Predicted to be part of monoatomic ion channel complex. Expressed in body wall musculature; neurons; non-striated muscle; and in male. Used to study long QT syndrome. Human ortholog(s) of this gene implicated in long QT syndrome 2 and short QT syndrome. Is an ortholog of human KCNH2 (potassium voltage-gated channel subfamily H member 2) and KCNH7 (potassium voltage-gated channel subfamily H member 7).