Figure 3From: Uncharacterized conserved motifs outside the HD-Zip domain in HD-Zip subfamily I transcription factors; a potential source of functional diversityFrequencies of tryptophans in the CTRs. The histogram represents the frequencies of Trp within the CTRs of the 178 proteins according to their relative position in this region, which was divided in ten parts. The last tenth shows a visible enrichment.Back to article page