300px|thumb|upright|Example of a member of the APOBEC family, APOBEC-2. A cytidine deaminase from Homo sapiens.
300px|thumb|upright|Example of a member of the APOBEC family, APOBEC-2. A cytidine deaminase from Homo sapiens.
APOBEC ("apolipoprotein B mRNA editing enzyme, catalytic polypeptide") is a family of evolutionarily conserved cytidine deaminases.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).