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Báo cáo khoa học: The absence of an identifiable single catalytic base residue in Thermobifida fusca exocellulase Cel6B

Chia sẻ: Nguyen Thang | Ngày: | Loại File: PDF | Số trang:9

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Thermobifida fuscaexocellulase Cel6B acts by an inverting hydrolysis mech-anism; however, the catalytic acid and base residues for this enzyme have not been confirmed. Site-directed mutagenesis and kinetic studies were used to show that Asp274 is the catalytic acid, which is consistent with what is found for other members of family-6 glycoside hydrolases; however, a sin-gle catalytic base was not identified.

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Nội dung Text: Báo cáo khoa học: The absence of an identifiable single catalytic base residue in Thermobifida fusca exocellulase Cel6B

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