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Figure 4 | BMC Evolutionary Biology

Figure 4

From: The unique evolution of the programmed cell death 4 protein in plants

Figure 4

Intron positions in the C. reinhardtii and V. carteri PDCD4 genes support domain duplication in the Chlamydomonadales. Alignment of the sequence comprising MA3 domains 1 to 2 and MA3 domains 3 to 4 of Chlamydomonas reinhardtii and Volvox carteri with the intron positions indicated. The MA3 domains are indicated by the bold text and above the pertinent sequence. The presence of the intron between the two amino acid residues indicated in red with black type (see asterisk) in the same position in domains 1 and 3 of both species suggests domain duplication. Two additional introns with near identical positions are indicated in red with white type. The positions of non-conserved introns are indicated in blue with white type.

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