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Ligand-Gated Split-Kinases
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DOI：10.1021/ja4130803.png)
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摘要
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The activity of protein kinases are naturally gated by a variety of physiochemical inputs, such as; phosphorylation, metal ions, and small molecules. In order to design protein kinases that can be gated by user-defined inputs, we describe a sequence dissimilarity based approach for identifying sites in protein kinases that accommodate 25-residue loop insertion while retaining catalytic activity. We further demonstrate that the successful loop insertion mutants provide guidance for the dissection of protein kinases into two fragments that cannot spontaneously assemble and are thus inactive but can be converted into ligand-gated catalytically active split-protein kinases. We successfully demonstrate the feasibility of this approach with Lyn, Fak, Src, and PKA, which suggests potential generality.
Keyword:
PROTEIN-PROTEIN
SIGNAL-TRANSDUCTION
INHIBITORS
TYROSINE
SRC
DOMAIN
PHOSPHORYLATION
IDENTIFICATION
INFLAMMATION
SPECIFICITY
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期刊
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15.6
论文数:
20.0W
被引数:
60.2W
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