Article
Enhanced insulin-induced mitogenesis and mitogen-activated protein kinase activities in mutant insulin receptors with substitution of two COOH-terminal tyrosine autophosphorylation sites by phenylalanine.
The Journal of biological chemistry - 25 Jun 1992
Ando A, Momomura K, Tobe K, Yamamoto-Honda R, Sakura H, Tamori Y, Kaburagi Y, Koshio O, Akanuma Y, Yazaki Y
Abstract excerpt
We have studied the function of a mutant human insulin receptor in which two COOH-terminal autophosphorylation sites (Tyr-1316 and -1322) were replaced by phenylalanine (F/Y COOH-terminal 2 tyrosines (CT2)). In addition, we have also constructed a mutant receptor in which Lys-1018 in the ATP-binding site was changed to arginine (R/K 1018). Both the wild type insulin receptor (HIR) and the mutant receptors were...
Topics
- Animals
- Antigen-Antibody Complex
- Base Sequence
- CHO Cells
- Cricetinae
- DNA
- Deoxyglucose
- Endocytosis
- Enzyme Activation
- Growth Substances