Homologs of insB-1 from Escherichia coli BW25113
insB-1: IS1 transposase InsAB' (NCBI)
SEED: Mobile element protein
KEGG: insertion element IS1 protein InsB
Top 100 hits from BLASTp (E < 0.01)
Or try PaperBLAST, fast.genomics, the ENIGMA genome browser, or the comparative fitness browser