Top cofit genes for b2762 from Escherichia coli BW25113
cysH: phosphoadenosine phosphosulfate reductase (NCBI)
SEED: Phosphoadenylyl-sulfate reductase [thioredoxin] (EC 1.8.4.8)
KEGG: phosphoadenosine phosphosulfate reductase
Or look for negative cofitness