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Pressure-dependent ionization of Tyr 9 in glutathione S-transferase A1-1: contribution of the C-terminal helix to a "soft" active site.
The glutathione S-transferase (GST) isozyme A1-1 contains at its active site a catalytic tyrosine, Tyr9, which hydrogen bonds to, and stabilizes, the thiolate form of glutathione, GS-. In the substrate-free GST A1-1, the Tyr 9 has an unusually low pKa, approximately 8.2, for which the ionization to...
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| Main Authors: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Cold Spring Harbor Laboratory Press
1997
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2144754/ https://ncbi.nlm.nih.gov/pubmed/9098897 |
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