xenopsin

English

Noun

xenopsin (countable and uncountable, plural xenopsins)

  1. (uncountable, biochemistry) An octapeptide present in the frog Xenopus laevis[1]
  2. (countable, biochemistry) A group of opsins, which are confined to molluscs, rotifers, brachiopods, and cnidarians[2]

References

  1. ^ Araki, Kengo; Tachibana, Shinro; Uchiyama, Mikio; Nakajima, Terumi; Yasuhara, Tadashi (1973), “Isolation and Structure of a New Active Peptide "Xenopsin"on the Smooth Muscle, especially on a Strip of Fundus from a Rat Stomach, from the Skin of Xenopus laevis”, in Chemical and Pharmaceutical Bulletin, volume 21, number 12, →DOI, pages 2801–2804
  2. ^ Ramirez, Md; Pairett, An; Pankey, Ms; Serb, Jm; Speiser, Di; Swafford, Aj; Oakley, Th (26 October 2016), “The last common ancestor of most bilaterian animals possessed at least 9 opsins”, in Genome Biology and Evolution, →DOI, page evw248
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