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2008
Spencer, A.N., Gallin, W.J., Klassen, T.L.
Background: Voltage-gated ion channels are membrane proteins containing a selective pore that allows permeable ions to transit the membrane in response to a change in the transmembrane voltage. The typical selectivity filter in potassium channels is formed by a tetrameric arrangement of the...
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Computational identification of residues that modulate voltage sensitivity of voltage-gated potassium channels
Download2005
Background: Studies of the structure-function relationship in proteins for which no 3D structure is available are often based on inspection of multiple sequence alignments. Many functionally important residues of proteins can be identified because they are conserved during evolution. However,...
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Improving the accuracy of protein secondary structure prediction using structural alignment
Download2006
Gallin, W.J., Wishart, D.S., Montgomerie, S., Sundararaj, S.
Background: The accuracy of protein secondary structure prediction has steadily improved over the past 30 years. Now many secondary structure prediction methods routinely achieve an accuracy (Q3) of about 75%. We believe this accuracy could be further improved by including structure (as opposed...
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1995
Gallin, W.J., Salkoff, L., Jegla, T., Spencer, A.N., Grigoriev, N.
Voltage-gated potassium channels are critical elements in providing functional diversity in nervous systems. The diversity of voltage-gated K+ channels in modern triploblastic metazoans (such as mollusks, arthropods and vettebrates) is provided primarily by four gene subfamilies (Shaker, Shal,...
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PROTEUS2: A Web Server for Comprehensive Protein Structure Prediction and Structure-Based Annotation
Download2008
Shrivistava, S., Berjanskii, M., Wishart, D.S., Cruz, J.A., Arndt, D., Montgomerie, S.
PROTEUS2 is a web server designed to support comprehensive protein structure prediction and structure-based annotation. PROTEUS2 accepts either single sequences (for directed studies) or multiple sequences (for whole proteome annotation) and predicts the secondary and, if possible, tertiary...
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The CyberCell Database (CCDB): A comprehensive, self-updating relational database to coordinate and facilitate in silico modeling of Escherichia coli
Download2004
Stothard, P., Rouani, M., Sundararaj, S., Wishart, D.S., Nazhad, B.H., Guo, A., Ellison, M.
The CyberCell Database (CCDB: http://redpoll. pharmacy.ualberta.ca/CCDB) is a comprehensive, web-accessible database designed to support and coordinate international efforts in modeling an Escherichia coli cell on a computer. The CCDB brings together both observed and derived quantitative data...
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2004
Background: The family of voltage-gated potassium channels comprises a functionally diverse group of membrane proteins. They help maintain and regulate the potassium ion-based component of the membrane potential and are thus central to many critical physiological processes. VKCDB (Voltage-gated...