Comparison of the distribution of score and alignment length between matches from nontranscribed and transcribed regions. Columns in blue represent matches from the nontranscribed region, whereas red columns are matches from the transcribed region. (A) The distribution of the match length of nucleotide alignment. A shift to longer alignment is observed in the matches from the coding region. Similarly, in B, the average score from intron region is also lower than that from the coding region. (C) The distribution of match length of amino acid alignment. A more clear shift to better alignment in the coding region has been seen.