A TGF-beta-like cystine-knot cytokine that is a translation product of the human NODAL gene or a 1:1 ortholog thereof. The nodal and lefty genes form positive and negative regulatory loops that resemble the reaction-diffusion system. As a pair, these genes control various events of vertebrate embryonic patterning, including left-right specification and mesoderm formation. [ PRO:CNA ]

Synonyms: NODAL

This is just here as a test because I lose it