Protein chemotaxonomy. XIII. Amino acid sequence of ferredoxin from Panax ginseng.
The complete amino acid sequence of [2Fe-2S] ferredoxin from Panax ginseng (Araliaceae) has been determined by automated Edman degradation of the entire S-carboxymethylcysteinyl protein and of the peptides obtained by enzymatic digestion. This ferredoxin has a unique amino acid sequence, which includes an insertion of Tyr at the 3rd position from the amino-terminus and a deletion of two amino acid residues at the carboxyl terminus. This ferredoxin had 18 differences in its amino acid sequence compared to that of Petroselinum sativum (Umbelliferae). In contrast, 23-33 differences were observed compared to other dicotyledonous plants. This suggests that Panax ginseng is related taxonomically to umbelliferous plants.[1]References
- Protein chemotaxonomy. XIII. Amino acid sequence of ferredoxin from Panax ginseng. Mino, Y. Biol. Pharm. Bull. (2006) [Pubmed]
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