[pGlu4]-Myelin Basic Protein (4-14) is the phosphorylated 4-14 fragment (EKRPSQRSKYL) of myelin basic protein (MBP)[1]. [pGlu4]-Myelin Basic Protein (4-14) surrounds the serine residue in position 8 of the myelin basic protein[2].
References
[1] Durocher Y, et al. Activation of an 85 kDa ribosomal S6 kinase during serotonin-induced oocyte maturation. Int J Dev Biol. 1996 Jun;40(3):557-66. PMID:8840188 [2] Loog M, et al. Comparison of Substrate Specificities of Protein Kinases A and C Based on Peptide Substrates[J]. Bioorganic Chemistry, 1994, 22(3): 328-336.