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Plant Cell Physiol. 2017 Jan 1;58(1):e6. doi: 10.1093/pcp/pcw212.

Alga-PrAS (Algal Protein Annotation Suite): A Database of Comprehensive Annotation in Algal Proteomes.

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RIKEN Center for Sustainable Resource Science, Suehiro, Tsurumi, Yokohama, Kanagawa, Japan.
Interdisciplinary Science Unit, Multidisciplinary Science Cluster, Research and Education Faculty, Kochi University, Otsu, Monobe, Nankoku, Kochi, Japan.


Algae are smaller organisms than land plants and offer clear advantages in research over terrestrial species in terms of rapid production, short generation time and varied commercial applications. Thus, studies investigating the practical development of effective algal production are important and will improve our understanding of both aquatic and terrestrial plants. In this study we estimated multiple physicochemical and secondary structural properties of protein sequences, the predicted presence of post-translational modification (PTM) sites, and subcellular localization using a total of 510,123 protein sequences from the proteomes of 31 algal and three plant species. Algal species were broadly selected from green and red algae, glaucophytes, oomycetes, diatoms and other microalgal groups. The results were deposited in the Algal Protein Annotation Suite database (Alga-PrAS;, which can be freely accessed online.


Algae; Comparative analysis; Database; Gene function; Protein properties

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