Research article
The distribution and evolutionary history of the PRP8 intein
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* Corresponding author: Margaret I Butler margi.butler@stonebow.otago.ac.nz
Department of Biochemistry, University of Otago, P.O. Box 56, Dunedin, New Zealand
BMC Evolutionary Biology 2006, 6:42 doi:10.1186/1471-2148-6-42
Published: 31 May 2006Additional files
Additional File 1:
SNAP XY plots of the homing endonuclease encoding regions of the PRP8 and VMA inteins. These represent the cumulative behaviour of the average synonymous and non-synonymous substitutions across the coding region. The analysis was done at the SNAP site [40]. The positions of codons are indicated below the x-axis. The y-axis indicates the cumulative number of nucleotide changes causing synonymous (red) or non-synonymous (green) amino acid changes.
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