Top cofit genes for b4214 from Escherichia coli BW25113
cysQ: PAPS (adenosine 3'-phosphate 5'-phosphosulfate) 3'(2'),5'-bisphosphate nucleotidase (NCBI)
SEED: 3'(2'),5'-bisphosphate nucleotidase (EC 3.1.3.7)
KEGG: CysQ protein
Or look for negative cofitness