Top cofit genes for b2091 from Escherichia coli BW25113
gatD: galactitol-1-phosphate dehydrogenase, Zn-dependent and NAD(P)-binding (NCBI)
SEED: Galactitol-1-phosphate 5-dehydrogenase (EC 1.1.1.251)
KEGG: galactitol-1-phosphate 5-dehydrogenase
Or look for negative cofitness