/ Thesaurus / S Synonyms of structural gene Find synonyms for: Noun1. structural gene, gene, cistron, factorusage: a gene that controls the production of a specific protein or peptideWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language