Homologs of insC from Escherichia coli BW25113
insC: KpLE2 phage-like element; IS2 insertion element repressor InsA (RefSeq)
SEED: Mobile element protein
Top 100 hits from BLASTp (E < 0.01)
Or try PaperBLAST, fast.genomics, the ENIGMA genome browser, or the comparative fitness browser