H-Ser-His-OH is a short peptide with hydrolytic cleavage activity and an endogenous metabolite. H-Ser-His-OH can hydrolyze proteins and DNA and catalyze the formation of peptide bonds and phosphodiester bonds[1]。
References:
[1] Collier TA, Nash A, Birch HL, et al. Effect on the mechanical properties of type I collagen of intra-molecular lysine-arginine derived advanced glycation end-product cross-linking. J Biomech. 2018 Jan 23;67:55-61.