Top cofit genes for GFF4589 from Xanthobacter sp. DMC5
Cysteine desulfurase
SEED: Cysteine desulfurase (EC 2.8.1.7), SufS subfamily
KEGG: cysteine desulfurase / selenocysteine lyase 
Cofitness results are not available for this gene, sorry.
Or look for negative cofitness