Top cofit genes for b2988 from Escherichia coli BW25113
gss: fused glutathionylspermidine amidase/glutathionylspermidine synthetase (NCBI)
SEED: Glutathionylspermidine synthase (EC 6.3.1.8) / Glutathionylspermidine amidohydrolase (EC 3.5.1.78)
KEGG: glutathionylspermidine amidase/synthetase
Or look for negative cofitness