Table 1.

Phosphorylation sites on GYS1 identified by LC-MS.

Site	Classical nomenclature	Sequence	m/z [Da]
T54		53VtGDEWGDNYFLVGPYTEQGVR74	861.39
T372		372tNNFNVETLK381	630.29
S412		403KLYESLLVGsLPDMNK418	629.66
S486		475VIFHPEFLSSTsPLLPVDYEEFVR798	1451.23
S641	3a	636YPRPAsVPPsPSLSR650 636YPRPAsVPPSPSLSR650 636YPRPAsVPPsPSLSRHssPHQsEDEEDPR664 636YPRPAsVPPsPsLSRHssPHQsEDEEDPR664 651HSsPHQsEDEEDPR664	885.91 845.93 1214.47 1241.13 905.33
S645	3b
S647
S652
S653	4
S657	5
S710	1b	708RNsVDTATSSSLSTPSEPLSPTSSLGEER736	1024.82
		708RNsVDTATSSSLSTPSEPLSPTSSLGEERN737	1062.83
S727		709NSVDTATSSSLSTPSEPLsPTSSLGEER736	1458.68
		709NSVDTATSSSLSTPSEPLsPTSSLGEERN737	1010.8