[i] These intron predictions are unconfirmed in D. melanogaster and are likely to extend known coding genes or are located in novel coding gene predictions.

[ii] ^aThe orthologous intron is EST confirmed in other insects.

[iii] ^bBLASTX hit that flanks exactly the intron; NCBI protein identifier is given.

[iv] ^ccongochr* identifier of novel exons from Lin et al. (2007).