Please use this identifier to cite or link to this item: https://doi.org/10.1111/j.1469-8137.2005.01482.x
Title: Prediction of functional class of novel plant proteins by a statistical learning method
Authors: Han, L.Y. 
Zheng, C.J. 
Lin, H.H.
Cui, J.
Li, H. 
Zhang, H.L.
Tang, Z.Q.
Chen, Y.Z. 
Keywords: Novel plant protein
Open reading frames
Protein function prediction
Protein sequence
Support vector machines
Issue Date: Oct-2005
Citation: Han, L.Y., Zheng, C.J., Lin, H.H., Cui, J., Li, H., Zhang, H.L., Tang, Z.Q., Chen, Y.Z. (2005-10). Prediction of functional class of novel plant proteins by a statistical learning method. New Phytologist 168 (1) : 109-121. ScholarBank@NUS Repository. https://doi.org/10.1111/j.1469-8137.2005.01482.x
Abstract: • In plant genomes, the function of a substantial percentage of the putative protein-coding open reading frames (ORFs) is unknown. These ORFs have no significant sequence similarity to known proteins, which complicates the task of functional study of these proteins. Efforts are being made to explore methods that are complementary to, or may be used in combination with, sequence alignment and clustering methods. • A web-based protein functional class prediction software, SVMProt, has shown some capability for predicting functional class of distantly related proteins. Here the usefulness of SVMProt for functional study of novel plant proteins is evaluated. • To test SVMProt, 49 plant proteins (without a sequence homolog in the Swiss-Prot protein database, not in the SVMProt training set, and with functional indications provided in the literature) were selected from a comprehensive search of MEDLINE abstracts and Swiss-Prot databases in 1999-2004. These represent unique proteins the function of which, at present, cannot be confidently predicted by sequence alignment and clustering methods. • The predicted functional class of 31 proteins was consistent, and that of four other proteins was weakly consistent, with published functions. Overall, the functional class of 71.4% of these proteins was consistent, or weakly consistent, with functional indications described in the literature. SVMProt shows a certain level of ability to provide useful hints about the functions of novel plant proteins with no similarity to known proteins. © New Phytologist (2005).
Source Title: New Phytologist
URI: http://scholarbank.nus.edu.sg/handle/10635/104844
ISSN: 0028646X
DOI: 10.1111/j.1469-8137.2005.01482.x
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