Abaecin-like peptides. A. Multiple sequence alignment. The propeptide sequence of navitripenicin is italized and underlined once.  indicates a phase 0 intron between the two residues and [?] represents unknown intron information due to the lack of genomic sequence. B. Phylogenetic tree constructed with the NJ method of MEGA 4.0. Solid circle represents gene duplication. Bi: Bombus ignites; Pp: Pteromalus puparum.
Tian et al. BMC Genomics 2010 11:187 doi:10.1186/1471-2164-11-187