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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Huang, Shu-Yun Suo, Sheng-Bao Shi, Shao-Ping Qiu, Jian-Ding Sun, Xing-Yu Liang, Ru-Ping |
| Copyright Year | 2012 |
| Abstract | In vivo, some proteins exist as monomers and others as oligomers. Oligomers can be further classified into homo-oligomers (formed by identical subunits) and hetero-oligomers (formed by different subunits), and they form the structural components of various biological functions, including cooperative effects, allosteric mechanism and ion-channel gating. Therefore, with the avalanche of protein sequences generated in the post-genomic era, it is very important for both basic research and the pharmaceutical industry to acquire the possible knowledge about quaternary structural attributes of their proteins of interest. In view of this, a high throughput method (DWT_DT), a 2-layer approach by fusing discrete wavelet transform (DWT) and decision-tree algorithm (DT) with physicochemical features, has been developed to predict protein quaternary structures. The 1st layer is to assign a query protein to one of the 10 main quaternary structural attributes. The 2nd layer is to evaluate whether the protein in question is composed of homo- or hetero-oligomers. The overall accuracy by jackknife test for the 1st layer identification was 89.60%. The overall accuracy of the 2nd layer varies from 88.23 to 100%. The results suggest that this newly developed protocol (DWT_DT) is very promising in predicting quaternary structures with complicated composition. |
| Starting Page | 3178 |
| Ending Page | 3184 |
| Page Count | 7 |
| File Format | HTM / HTML PDF |
| ISSN | 1742206X |
| Volume Number | 8 |
| Issue Number | 12 |
| Journal | Molecular BioSystems |
| DOI | 10.1039/c2mb25280e |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Discrete wavelet transform Allosteric regulation Jackknifing Decision tree Algorithm Protein |
| Content Type | Text |
| Resource Type | Article |
| Subject | Molecular Biology Biotechnology |
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