Top cofit genes for b2218 from Escherichia coli BW25113
rcsC: hybrid sensory kinase in two-component regulatory system with RcsB and YojN (RefSeq)
SEED: Two-component sensor protein RcsC (EC 2.7.3.-)
KEGG: two-component system, NarL family, capsular synthesis sensor histidine kinase RcsC
Or look for negative cofitness