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Apexbio Technology LLC S Tag Peptide,5mg
Supplier: Apexbio Technology LLC A60075
S Tag is the name of an oligopeptide derived from pancreatic ribonuclease A (RNase A). If RNase A is digested with subtilisin, a single peptide bond is cleaved, but the resulting two products remain weakly bound to each other and the protein, it is called ribonuclease S, remains active although each of the two products alone shows no enzymatic activity. The N-terminus of the original RNase A, also called S-peptide, consists of 20 amino acid residues, of which only the first 15 are required for ribonuclease activity. This 15 amino acids long peptide is called S15 or S-tag.It is believed that the peptide with its abundance of charged and polar residues could improve solubility of proteins it is attached to. Other sizes are also available. Please inqury us for quote.
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