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Stephen G. WITHERS
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Articles

Glycosynthase-catalysed formation of modified polysaccharide microstructures

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Andrew G. WATTS, Stephen G. WITHERS
Journal: Biochemical Journal
Biochem J (2004) 380 (1): e9–e10.
https://doi.org/10.1042/bj20040633
Published: 15 May 2004
View articletitled, Glycosynthase-catalysed formation of modified polysaccharide microstructures
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Articles

Paenibacillus sp. TS12 glucosylceramidase: kinetic studies of a novel sub-family of family 3 glycosidases and identification of the catalytic residues

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Krisztina PAAL, Makoto ITO, Stephen G. WITHERS
Journal: Biochemical Journal
Biochem J (2004) 378 (1): 141–149.
https://doi.org/10.1042/bj20031028
Published: 15 February 2004
View articletitled, Paenibacillus sp. TS12 glucosylceramidase: kinetic studies of a novel sub-family of family 3 glycosidases and identification of the catalytic residues
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Articles

Subsite structure of the endo-type chitin deacetylase from a Deuteromycete, Colletotrichum lindemuthianum: an investigation using steady-state kinetic analysis and MS

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Omid HEKMAT, Ken TOKUYASU, Stephen G. WITHERS
Journal: Biochemical Journal
Biochem J (2003) 374 (2): 369–380.
https://doi.org/10.1042/bj20030204
Published: 01 September 2003
View articletitled, Subsite structure of the endo-type chitin deacetylase from a Deuteromycete, Colletotrichum lindemuthianum: an investigation using steady-state kinetic analysis and MS
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Articles

Identification of the catalytic nucleophile of the Family 31 α-glucosidase from Aspergillus niger via trapping of a 5-fluoroglycosyl–enzyme intermediate

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Seung Seo LEE, Shouming HE, Stephen G. WITHERS
Journal: Biochemical Journal
Biochem J (2001) 359 (2): 381–386.
https://doi.org/10.1042/bj3590381
Published: 08 October 2001
View articletitled, Identification of the catalytic nucleophile of the Family 31 α-glucosidase from Aspergillus niger via trapping of a 5-fluoroglycosyl–enzyme intermediate
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Articles

Identification of Glu-519 as the catalytic nucleophile in β-mannosidase 2A from Cellulomonas fimi

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Dominik STOLL, Shouming HE, Stephen G. WITHERS, R. Antony J. WARREN
Journal: Biochemical Journal
Biochem J (2000) 351 (3): 833–838.
https://doi.org/10.1042/bj3510833
Published: 24 October 2000
View articletitled, Identification of Glu-519 as the catalytic nucleophile in β-mannosidase 2A from Cellulomonas fimi
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Articles

Synthesis and kinetic evaluation of 4-deoxymaltopentaose and 4-deoxymaltohexaose as inhibitors of muscle and potato α-glucan phosphorylases

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Renee MOSI, Stephen G. WITHERS
Journal: Biochemical Journal
Biochem J (1999) 338 (2): 251–256.
https://doi.org/10.1042/bj3380251
Published: 22 February 1999
View articletitled, Synthesis and kinetic evaluation of 4-deoxymaltopentaose and 4-deoxymaltohexaose as inhibitors of muscle and potato α-glucan phosphorylases
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Articles

Identification of Glu-120 as the catalytic nucleophile in Streptomyces lividans endoglucanase CelB

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David L. ZECHEL, Shouming HE, Claude DUPONT, Stephen G. WITHERS
Journal: Biochemical Journal
Biochem J (1998) 336 (1): 139–145.
https://doi.org/10.1042/bj3360139
Published: 15 November 1998
View articletitled, Identification of Glu-120 as the catalytic nucleophile in Streptomyces lividans endoglucanase CelB
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Articles

Crystal structure of the family 7 endoglucanase I (Cel7B) from Humicola insolens at 2.2 Å resolution and identification of the catalytic nucleophile by trapping of the covalent glycosyl-enzyme intermediate

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Lloyd F. MACKENZIE, Gerlind SULZENBACHER, Christina DIVNE, T. Alwyn JONES, Helle F. WÖLDIKE, Martin SCHÜLEIN, Stephen G. WITHERS, Gideon J. DAVIES
Journal: Biochemical Journal
Biochem J (1998) 335 (2): 409–416.
https://doi.org/10.1042/bj3350409
Published: 15 October 1998
View articletitled, Crystal structure of the family 7 endoglucanase I (Cel7B) from Humicola insolens at 2.2 Å resolution and identification of the catalytic nucleophile by trapping of the covalent glycosyl-enzyme intermediate
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Articles

Identification of Glu-277 as the catalytic nucleophile of Thermoanaerobacterium saccharolyticum β-xylosidase using electrospray MS

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David J. VOCADLO, Lloyd F. MACKENZIE, Shouming HE, Gregory J. ZEIKUS, Stephen G. WITHERS
Journal: Biochemical Journal
Biochem J (1998) 335 (2): 449–455.
https://doi.org/10.1042/bj3350449
Published: 15 October 1998
View articletitled, Identification of Glu-277 as the catalytic nucleophile of Thermoanaerobacterium saccharolyticum β-xylosidase using electrospray MS
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Articles

Salicortin: a repeat-attack new-mechanism-based Agrobacterium faecalis β-glucosidase inhibitor

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Jianjun ZHU, Stephen G. WITHERS, Paul B. REICHARDT, Edward TREADWELL, Thomas P. CLAUSEN
Journal: Biochemical Journal
Biochem J (1998) 332 (2): 367–371.
https://doi.org/10.1042/bj3320367
Published: 01 June 1998
View articletitled, Salicortin: a repeat-attack new-mechanism-based Agrobacterium faecalis β-glucosidase inhibitor
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Articles

Substrate specificity of endoglucanase A from Cellulomonas fimi : fundamental differences between endoglucanases and exoglucanases from family 6

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Howard G. DAMUDE, Vito FERRO, Stephen G. WITHERS, R. WARREN
Journal: Biochemical Journal
Biochem J (1996) 315 (2): 467–472.
https://doi.org/10.1042/bj3150467
Published: 15 April 1996
View articletitled, Substrate specificity of endoglucanase A from Cellulomonas fimi : fundamental differences between endoglucanases and exoglucanases from family 6
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Articles

Interaction of the lacZ β-galactosidase of Escherichia coli with some β-d-galactopyranoside competitive inhibitors

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R. S. Thomas Loeffler, Michael L. Sinnott, Brian D. Sykes, Stephen G. Withers
Journal: Biochemical Journal
Biochem J (1979) 177 (1): 145–152.
https://doi.org/10.1042/bj1770145
Published: 01 January 1979
View articletitled, Interaction of the lacZ β-galactosidase of Escherichia coli with some β-d-galactopyranoside competitive inhibitors
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Articles

The β-galactosidase-catalysed hydrolyses of β-d-galactopyranosyl pyridinium salts. Rate-limiting generation of an enzyme-bound galactopyranosyl cation in a process dependent only on aglycone acidity

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Michael L. Sinnott, Stephen G. Withers
Journal: Biochemical Journal
Biochem J (1974) 143 (3): 751–762.
https://doi.org/10.1042/bj1430751
Published: 01 December 1974
View articletitled, The β-galactosidase-catalysed hydrolyses of β-d-galactopyranosyl pyridinium salts. Rate-limiting generation of an enzyme-bound galactopyranosyl cation in a process dependent only on aglycone acidity
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