| http://www.w3.org/ns/prov#value | - In such cases, it may be advantageous to couple the peptide to a biological molecule, such as collagen, a glycosaminoglycan or a proteoglycan; for example, the five-residue fragment having a Cys-residue at the C-terminus coupled to monomeric collagen by using a crosslinker such as 3-(2-pyridyldithio)propionic acid N-hydroxysuccinimide ester to effect cross-linking of the cysteine to a lysine resid
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