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Stress-activated map kinase interacting protein 1 (SIN1) SIN1 is the N-terminus of stress-activated map kinase interacting protein 1 (MAPKAP1 OR SIN1) sequences. This domain is likely to be the Ras-binding domain. The fission yeast Sty1/Spc1 mitogen-activated protein (MAP) kinase is a member of the eukaryotic stress-activated MAP kinase (SAPK) family. Sin1 interacts with Sty1/Spc1. Cells lacking Sin1 display many, but not all, of the phenotypes of cells lacking the Sty1/Spc1 MAP kinase including sterility, multiple stress sensitivity and a cell-cycle delay. Sin1 is phosphorylated after stress but this is not Sty1/Spc1-dependent. The separate CRIM and PH, pleckstrin-homology domains of the full-length SIN1 proteins have been separated into distinct families. |
Lu S et al.(2020). "CDD/SPARCLE: the conserved domain database in 2020.",