The structural components of the Azotobacter vinelandii iron-only nitrogenase, AnfDKG, form a protein complex within the plant mitochondrial matrix. - Johnston E; Okada S; Gregg CM; Warden AC; Rolland V; Gillespie V; Byrne K; Colgrave ML; Eamens AL; Allen RS; Wood CC (Plant molecular biology, 2023)