Top cofit genes for Atu4421 from Agrobacterium fabrum C58
spermidine/putrescine ABC transporter substrate-binding protein
SEED: ABC transporter, periplasmic spermidine putrescine-binding protein PotD (TC 3.A.1.11.1)
KEGG: putative spermidine/putrescine transport system substrate-binding protein
Or look for negative cofitness