Ser1503
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Home > Phosphorylation Site Page: > Ser1503  -  SCN5A (human)

Site Information
NAMKKLGsKKPQKPI   SwissProt Entrez-Gene
Blast this site against: NCBI  SwissProt  PDB 
Site Group ID: 9993604

In vivo Characterization
Methods used to characterize site in vivo:
mass spectrometry (in vitro) ( 2 ) , mutation of modification site ( 1 , 3 , 4 ) , western blotting ( 1 )
Relevant cell line - cell type - tissue:
293 (epithelial) ( 1 , 2 , 3 , 4 ) , myocyte-heart ( 1 )

Upstream Regulation
Regulatory protein:
GPD1L (human) ( 4 )
Putative in vivo kinases:
PKCA (human) ( 3 )
Kinases, in vitro:
CAMK2A (human) ( 2 )

Downstream Regulation
Effects of modification on SCN5A:
activity, inhibited ( 1 ) , intracellular localization ( 3 )

References 

1

Matasic DS, et al. (2020) Modulation of the cardiac sodium channel Na1.5 peak and late currents by NAD precursors. J Mol Cell Cardiol 141, 70-81
32209328   Curated Info

2

Herren AW, et al. (2015) CaMKII Phosphorylation of Na(V)1.5: Novel in Vitro Sites Identified by Mass Spectrometry and Reduced S516 Phosphorylation in Human Heart Failure. J Proteome Res 14, 2298-311
25815641   Curated Info

3

Hallaq H, et al. (2012) Activation of protein kinase C alters the intracellular distribution and mobility of cardiac Na+ channels. Am J Physiol Heart Circ Physiol 302, H782-9
22101522   Curated Info

4

Valdivia CR, Ueda K, Ackerman MJ, Makielski JC (2009) GPD1L links redox state to cardiac excitability by PKC-dependent phosphorylation of the sodium channel SCN5A. Am J Physiol Heart Circ Physiol 297, H1446-52
19666841   Curated Info