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Figure 1 | BMC Evolutionary Biology

Figure 1

From: Molecular evolution and functional characterisation of an ancient phenylalanine ammonia-lyase gene (NnPAL1) from Nelumbo nucifera: novel insight into the evolution of the PAL family in angiosperms

Figure 1

Gene structure of the PAL family, NnPAL1, NnPAL2 and NnPAL3, in Nelumbo nucifera. The green bars represent exons, and the red bars represent the conserved nucleotide sequences encoding the phenylalanine and histidine ammonia-lyase signature (GTITASGDLVPLSYIA). The black lines represent introns. The numbers 0, 1 and 2 represent the intron phase.

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