Function
Sugar N-formyltransferase that catalyzes the conversion of dTDP-4-amino-4,6-dideoxyglucose into dTDP-4-formamido-4,6-dideoxyglucose using N(10)-formyltetrahydrofolate as the carbon source (PubMed:28665588). Plays a role in virulence (PubMed:12368431). Has no activity on dTDP-3-amino-3,6-dideoxyglucose, dTDP-3-amino-3,6-dideoxygalactose, UDP-4-amino-4-deoxyarabinose, and GDP-4-amino-4,6-dideoxymannose (PubMed:28665588).