Results 131 to 140 of about 167,316 (343)

Representing catalytic mechanisms with rule composition [PDF]

open access: yesarXiv, 2022
Reaction mechanisms are often presented as sequences of elementary steps, such as codified by arrow pushing. We propose an approach for representing such mechanisms using graph transformation. In this framework, each elementary step is a rule for modifying a molecular graph and a mechanism is a sequence of such rules.
arxiv  

Uncovering the molecular mechanisms of lignocellulose digestion in shipworms [PDF]

open access: yes, 2018
Lignocellulose forms the structural framework of woody plant biomass and represents the most abundant carbon source in the biosphere. Turnover of woody biomass is a critical component of the global carbon cycle, and the enzymes involved are of increasing
Bates, Rachel   +13 more
core   +3 more sources

A new group of glycoside hydrolase family 13 α-amylases with an aberrant catalytic triad

open access: yesScientific Reports, 2017
α-Amylases are glycoside hydrolase enzymes that act on the α(1→4) glycosidic linkages in glycogen, starch, and related α-glucans, and are ubiquitously present in Nature. Most α-amylases have been classified in glycoside hydrolase family 13 with a typical
F. D. Sarian   +9 more
semanticscholar   +1 more source

Key Regulators of Parasite Biology Viewed Through a Post‐Translational Modification Repertoire

open access: yesPROTEOMICS, EarlyView.
ABSTRACT Parasites are the leading causes of morbidity and mortality in both humans and animals, imposing substantial socioeconomic burdens worldwide. Controlling parasitic diseases has become one of the key issues in achieving “One Health”. Most parasites have sophisticated life cycles exhibiting progressive developmental stages, morphologies, and ...
Naiwen Zhang, Ning Jiang, Qijun Chen
wiley   +1 more source

Kinetic Characterization of 100 Glycoside Hydrolase Mutants Enables the Discovery of Structural Features Correlated with Kinetic Constants

open access: yesPLoS ONE, 2016
The use of computational modeling algorithms to guide the design of novel enzyme catalysts is a rapidly growing field. Force-field based methods have now been used to engineer both enzyme specificity and activity.
D. Carlin   +16 more
semanticscholar   +1 more source

The structure of a family 168 glycoside hydrolase from the marine bacterium Muricauda eckloniae

open access: yesActa Crystallographica Section F, EarlyView.
The structure of a putative fucoidan‐degrading glycoside hydrolase assigned to glycoside hydrolase family 168 reveals a (β/α)8 fold. The catalytic machinery and potential substrate specificity were investigated through a structural comparison with a Fun168A oligosaccharide complex.The genome of the marine bacterium Muricauda eckloniae sp.
Emily Knudson-Goerner   +1 more
wiley   +1 more source

RNA sampling and crystallographic refinement using Rappertk [PDF]

open access: yesarXiv, 2007
Background. Dramatic increases in RNA structural data have made it possible to recognize its conformational preferences much better than a decade ago. This has created an opportunity to use discrete restraint-based conformational sampling for modelling RNA and automating its crystallographic refinement. Results.
arxiv  

Substrate Specificity in Glycoside Hydrolase Family 10 [PDF]

open access: hybrid, 2000
V.M.-A. Ducros   +9 more
openalex   +3 more sources

First glycoside hydrolase family 2 enzymes from Thermus antranikianii and Thermus brockianus with β-glucosidase activity

open access: yesFrontiers in Bioengineering and Biotechnology, 2015
Two genes tagh2 and tbgh2 coding for enzymes with hydrolytic activity towards esculin were identified from the extreme thermophilic, aerobic bacteria Thermus antranikianii (Ta) and T. brockianus (Tb). Shortened conserved domains predicted a membership of
Carola eSchröder   +2 more
doaj   +1 more source

Characterization of thermophilic β-Glucosidase of rhizospheric bacterial strain (LSKB15) isolated from Cholistan Desert, Pakistan [PDF]

open access: yes, 2018
Fifty thermophilic bacterial strains isolated from rhizospheric soil of Cholistan desert, Pakistan, and designated as LSKB01-LSKB50 were screened for β-glucosidase gene (bgl) belonging to glycoside hydrolase family 1 (GH 1) using PCR technique ...
Ahmed, Amer   +4 more
core  

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