thumb|400px|The recovery of methionine from [[homocysteine by transmethylation is depicted in reaction 4. The transmethylation cycle is depicted in reactions 1–4.]]
thumb|400px|The recovery of methionine from [[homocysteine by transmethylation is depicted in reaction 4. The transmethylation cycle is depicted in reactions 1–4.]]
Transmethylation is a biologically important organic chemical reaction in which a methyl group is transferred from one compound to another.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).