Top cofit genes for b2049 from Escherichia coli BW25113
cpsB: mannose-1-phosphate guanyltransferase (NCBI)
SEED: Mannose-1-phosphate guanylyltransferase (GDP) (EC 2.7.7.22) / Mannose-6-phosphate isomerase (EC 5.3.1.8)
KEGG: mannose-1-phosphate guanylyltransferase
Or look for negative cofitness