loading...| Preferred Name | Protein kinases | |
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http://localhost/plosthes.2017-1#11322 |
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Protein kinases |
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Protein kinases |
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10.60.150.60.230^Protein kinases|10.60.280.230.230^Protein kinases |
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Protein kinases catalyse the transfer of the gamma phosphate from nucleotide triphosphates (often ATP) to one or more amino acid residues in a protein substrate side chain, resulting in a conformational change affecting protein function. Protein kinases fall into three broad classes, characterised with respect to substrate specificity [PMID: 3291115]: Serine/threonine-protein kinases Tyrosine-protein kinases Dual specificity protein kinases (e.g. MEK - phosphorylates both Thr and Tyr on target proteins) http://www.ebi.ac.uk/interpro/entry/IPR000719 RD Eukaryotic protein kinases [1,2,3,4,5] are enzymes that belong to a very extensive family of proteins which share a conserved catalytic core common to both serine/threonine and tyrosine protein kinases. There are a number of conserved regions in the catalytic domain of protein kinases. We have selected two of these regions to build signature patterns. The first region, which is located in the N-terminal extremity of the catalytic domain, is a glycine-rich stretch of residues in the vicinity of a lysine residue, which has been shown to be involved in ATP binding. The second region, which is located in the central part of the catalytic domain, contains a conserved aspartic acid residue which is important for the catalytic activity of the enzyme [6]; we have derived two signature patterns for that region: one specific for serine/ threonine kinases and the other for tyrosine kinases. We also developed a profile which is based on the alignment in [1] and covers the entire catalytic domain. http://prosite.expasy.org/PDOC00100 RD |
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Accepted |