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. 2007 Dec 3;104(50):20055–20060. doi: 10.1073/pnas.0708574104

Table 1.

MS identification of phosphorylation sites on Kv1.2 purified from brain or heterologous cells

Phosphorylation site Native
 Heterologous cells
Rat brain Rat HC Mouse brain Human HC Human CB HEK293 COS-1
pS434 + + + − − + −
pS440 + + + − + + +
pS441 + − + + − + +
pS440/pS441 + + + + + + −
pS449 − − − − − + +

HC, hippocampus; CB, cerebellum; +, identified phosphorylation site; −, phosphorylation site not identified.