Nature 337, 382–385 (1989) THE phylogenetic tree shown in Fig. 3 of this letter was generated using a data set in which numeric coding errors have been found. These were detected by using a new version of PAUP1 which interprets the single-letter amino acid code directly and does not require coding. The uncoded amino acid data set was analysed as previously reported, using the branch and bound option of PAUP 1.
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Morden, C., Golden, S. psbA genes indicate common ancestry of prochlorophytes and chloroplasts. Nature 339, 400 (1989). https://doi.org/10.1038/339400a0
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DOI: https://doi.org/10.1038/339400a0
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