Top cofit genes for b2781 from Escherichia coli BW25113
mazG: nucleoside triphosphate pyrophosphohydrolase (NCBI)
SEED: Nucleoside triphosphate pyrophosphohydrolase MazG (EC 3.6.1.8)
KEGG: nucleoside-triphosphate pyrophosphatase
Or look for negative cofitness