Ser48

Site Information
PQPSRRGsESSEEVY SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 449320

In vivo Characterization
Methods used to characterize site in vivo:	[32P] bio-synthetic labeling ( 1 ) , mutation of modification site ( 1 ) , phospho-antibody ( 2 ) , western blotting ( 2 )
Relevant cell line - cell type - tissue:	'muscle, skeletal' ( 1 ) , L6 (myoblast) ( 2 )

Downstream Regulation
Effects of modification on PPP1R3A:	enzymatic activity, induced ( 2 )

References
1	Sacchetto R, Bovo E, Donella-Deana A, Damiani E (2005) Glycogen- and PP1c-targeting subunit GM is phosphorylated at Ser48 by sarcoplasmic reticulum-bound Ca2+-calmodulin protein kinase in rabbit fast twitch skeletal muscle. J Biol Chem 280, 7147-55 15591318 Curated Info
2	Srinivasan M, Begum N (1994) Regulation of protein phosphatase 1 and 2A activities by insulin during myogenesis in rat skeletal muscle cells in culture. J Biol Chem 269, 12514-20 8175660 Curated Info