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Hemiacetal stabilization in a chymotrypsin inhibitor complex and the reactivity of the hydroxyl group of the catalytic serine residue of chymotrypsin
The aldehyde inhibitor Z-Ala-Ala-Phe-CHO has been synthesized and shown by (13)C-NMR to react with the active site serine hydroxyl group of alpha-chymotrypsin to form two diastereomeric hemiacetals. For both hemiacetals oxyanion formation occurs with a pK(a) value of ~ 7 showing that chymotrypsin re...
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| Publicado no: | Biochim Biophys Acta Proteins Proteom |
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| Main Authors: | , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Elsevier B.V.
2014
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7185751/ https://ncbi.nlm.nih.gov/pubmed/24657307 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.bbapap.2014.03.008 |
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