Refining Protein Subcellular Localization

@article{citeulike:1103171, abstract = {The study of protein subcellular localization is important to elucidate protein function. Even in well-studied organisms such as yeast, experimental methods have not been able to provide a full coverage of localization. The development of bioinformatic predictors of localization can bridge this gap. We have created a Bayesian network predictor called PSLT2 that considers diverse protein characteristics, including the combinatorial presence of InterPro motifs and protein interaction data. We compared the localization predictions of PSLT2 to high-throughput experimental localization datasets. Disagreements between these methods generally involve proteins that transit through or reside in the secretory pathway. We used our multi-compartmental predictions to refine the localization annotations of yeast proteins primarily by distinguishing between soluble lumenal proteins and soluble proteins peripherally associated with organelles. To our knowledge, this is the first tool to provide this functionality. We used these sub-compartmental predictions to characterize cellular processes on an organellar scale. The integration of diverse protein characteristics and protein interaction data in an appropriate setting can lead to high-quality detailed localization annotations for whole proteomes. This type of resource is instrumental in developing models of whole organelles that provide insight into the extent of interaction and communication between organelles and help define organellar functionality.}, author = {Scott, Michelle S. and Calafell, Sara J. and Thomas, David Y. and Hallett, Michael T. }, citeulike-article-id = {1103171}, doi = {10.1371/journal.pcbi.0010066}, journal = {PLoS Computational Biology}, keywords = {bioinformatics, localisation, prediction, protein, subcellular}, month = {November}, number = {6}, pages = {e66+}, posted-at = {2007-12-07 08:36:11}, priority = {2}, title = {Refining Protein Subcellular Localization}, url = {http://dx.doi.org/10.1371/journal.pcbi.0010066}, volume = {1}, year = {2005} }

TY - JOUR ID - citeulike:1103171 L3 - citeulike-article-id:1103171 TI - Refining Protein Subcellular Localization JF - PLoS Computational Biology VL - 1 IS - 6 SP - e66 N2 - The study of protein subcellular localization is important to elucidate protein function. Even in well-studied organisms such as yeast, experimental methods have not been able to provide a full coverage of localization. The development of bioinformatic predictors of localization can bridge this gap. We have created a Bayesian network predictor called PSLT2 that considers diverse protein characteristics, including the combinatorial presence of InterPro motifs and protein interaction data. We compared the localization predictions of PSLT2 to high-throughput experimental localization datasets. Disagreements between these methods generally involve proteins that transit through or reside in the secretory pathway. We used our multi-compartmental predictions to refine the localization annotations of yeast proteins primarily by distinguishing between soluble lumenal proteins and soluble proteins peripherally associated with organelles. To our knowledge, this is the first tool to provide this functionality. We used these sub-compartmental predictions to characterize cellular processes on an organellar scale. The integration of diverse protein characteristics and protein interaction data in an appropriate setting can lead to high-quality detailed localization annotations for whole proteomes. This type of resource is instrumental in developing models of whole organelles that provide insight into the extent of interaction and communication between organelles and help define organellar functionality. KW - bioinformatics KW - localisation KW - prediction KW - protein KW - subcellular AU - Scott, Michelle AU - Calafell, Sara AU - Thomas, David AU - Hallett, Michael PY - 2005/11/01/ UR - http://dx.doi.org/10.1371/journal.pcbi.0010066 ER -