Suc-Ala-Ala-Pro-Nva-pNA substitutes norvaline at the P1 position, altering the shape and hydrophobicity of the active-site interface. Structural similarity to related substrates enables fine-tuning of specificity profiles. pNA release reports on catalytic efficiency. Researchers apply it in comparative protease assays and active-site mapping.
3. Low bone turnover and low BMD in Down syndrome: effect of intermittent PTH treatment
5. SERS spectrum of the peptide thymosin‐β4 obtained with Ag nanorod substrate
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