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Chemical mechanism of beta-xylosidase from Trichoderma reesei QM 9414: pH-dependence of kinetic parameters

Biochimie

Oct 1, 2001

M GómezPilar Estrada

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Abstract

The variation of kinetic parameters of beta-xylosidase from Trichoderma reesei QM 9414 with pH was used to elucidate the chemical mechanism of the p-nitrophenyl beta-D-xylopyranoside hydrolysis. The pH-dependence of V and V/K(m) showed that a group on the enzyme with a pK value of 3.20 ...read more

Mentioned in this Paper

Gluconolactone
Study
Triethyloxonium tetrafluoroborate
4-nitrophenyl beta-D-xyloside, (alpha-D)-isomer
glucono-1,4-lactone
Substrate Specificity
4-nitrophenyl beta-D-xyloside
Trichoderma
Carboxyl Group
Gluconates
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Chemical mechanism of beta-xylosidase from Trichoderma reesei QM 9414: pH-dependence of kinetic parameters

Biochimie

Oct 1, 2001

M GómezPilar Estrada

PMID: 11728634

DOI: 10.1016/s0300-9084(01)01341-4

Abstract

The variation of kinetic parameters of beta-xylosidase from Trichoderma reesei QM 9414 with pH was used to elucidate the chemical mechanism of the p-nitrophenyl beta-D-xylopyranoside hydrolysis. The pH-dependence of V and V/K(m) showed that a group on the enzyme with a pK value of 3.20 ...read more

Mentioned in this Paper

Gluconolactone
Study
Triethyloxonium tetrafluoroborate
4-nitrophenyl beta-D-xyloside, (alpha-D)-isomer
glucono-1,4-lactone

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