Histone H1-derived Peptide is a phosphopeptide and the peptide substrates containes a sequence in accordance with the optimal recognition motif for CDKs[1].
[1]. Roderick G Walker, et al. High throughput screens yield small molecule inhibitors of Leishmania CRK3:CYC6 cyclin-dependent kinase. PLoS Negl Trop Dis. 2011 Apr 5;5(4):e1033.
















