Regulation of the oncogenic activity of the cellular src protein requires the correct spacing between the kinase domain and the C-terminal phosphorylated tyrosine (Tyr-527).

Abstract excerpt

Repression of the tyrosine kinase activity of the cellular src protein (pp60c-src) depends on the phosphorylation of a tyrosine residue (Tyr-527) near the carboxy terminus. Tyr-527 is located 11 residues C terminal from the genetically defined end of the kinase domain (Leu-516) and is therefore in a negative regulatory region. Because the precise sequence of amino acids surrounding Tyr-527 appears to be...

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