Top cofit genes for Rru_A2014 from Rhodospirillum rubrum S1H
Twin-arginine translocation pathway signal (NCBI)
SEED: Oligopeptide ABC transporter, periplasmic oligopeptide-binding protein OppA (TC 3.A.1.5.1)
KEGG: peptide/nickel transport system substrate-binding protein
Or look for negative cofitness