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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Uracil-DNA glycosylase acts by substrate autocatalysis

Article Abstract:

It has been established that the uracil-DNA glycosylase UDG catalyzes base excision by a stepwise dissociative process. The glycosylic bond breaks to produce an oxocarbenium cation/anion intermediate.

Author: Karplus, Martin, Dinner, Aaron R., Blackburn, G. Michael
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2001
Glycosylation

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Intrinsic motions along an enzymatic reaction trajectory

Article Abstract:

The various intrinsic motions taking place along an enzymatic reaction trajectory of the enzyme adenylate kinase are discussed. A preferred selection of pathway by larger-scale motions in the enzyme often leads to catalysis.

Author: Petsko, Gregory A., Karplus, Martin, Wilson, Mark A., Hubner, Christian G., Ming Lei, Wolf-Watz, Magnus, Kern, Dorothee, Henzler-Wildman, Katherine A., Vu Thai, Ott, Maria, Fenn, Tim, Pozharski, Ed
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
Protein folding, Chemical properties

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A hierarchy of timescales in protein dynamics is linked to enzyme catalysis

Article Abstract:

Large-scale, slower lid motions that produce a catalytically competent state are facilitated by pico- to nano-second timescale atomic fluctuations in hinge regions of adenylate kinase.

Author: Karplus, Martin, Ming Lei, Kern, Dorothee, Henzler-Wildman, Katherine A., Vu Thai, Kerns, S. Jordan
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
Proteins, Protein structure

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Subjects list: Research, Catalysis, Analysis, Adenylate kinase
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