Diacetylchitobiose deacetylase
WebOct 28, 2024 · Deacetylase from the extremophile Pyrococcus chitonophagus has been analyzed by X-ray crystallography, small-angle X-ray scattering, differential scanning calorimetry, isothermal titration calorimetry and NMR to determine its structure, thermodynamics and enzymatic properties ... WebJan 11, 2024 · For example, PhDac, a diacetylchitobiose deacetylase with high catalytic activity for GlcNAc monomer and dimer, was heterologously expressed in B. subtilis by Jiang et al. for the green production of GlcN. However, the optimal pH and temperature of PhDac was not suitable for the stability of GlcN.
Diacetylchitobiose deacetylase
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WebDec 1, 2024 · Diacetylchitobiose deacetylase Expression element optimization Cell factory Bacillus subtilis Protein secretion 1. Introduction Glucosamine (GlcN) plays an … WebAug 14, 2024 · Diacetylchitobiose deacetylase has great application potential in the production of chitosan oligosaccharides and monosaccharides. This work aimed to achieve high-level secretory production of diacetylchitobiose deacetylase by Bacillus subtilis and perform molecular engineering to improve catalytic performance. First, we screened 12 …
WebJan 14, 2015 · Native N,N'-diacetylchitobiose deacetylase from Pyrococcus furiosus (Pf-Dac) and its selenomethionine derivative (Se-Pf-Dac) were crystallized and analyzed in the presence and absence of cadmium ion. The four crystal structures fell into three different crystal-packing groups, with the cadmium-free Pf-Dac and Se-Pf-Dac belonging to the … WebAug 1, 2024 · Diacetylchitobiose deacetylase (Dac) from Pyrococcus horikoshii can realize the one-step production of glucosamine (GlcN). The efficient expression and secretion of Dac play a central role in the ...
WebA linear polysaccharide of beta-1->4 linked units of ACETYLGLUCOSAMINE. It is the second most abundant biopolymer on earth, found especially in... Explore the latest full-text research PDFs ... WebJan 1, 2024 · Diacetylchitobiose deacetylase 1. Introduction Sorting cells of interest are fundamental to synthetic biology, clinical research, drug discovery, and other fields ( Gach et al., 2024; Heath et al., 2016; Liu et al., 2024; Sivaramakrishnan et al., 2024; Sun et al., …
WebIn this study, semi-rational design based on site-directed saturation mutagenesis and surface charge modification was used to improve the catalytic efficiency of the …
WebNov 7, 2013 · In order to develop a structure-based understanding of the chitinolytic pathway in hyperthermophilic Pyrococcus species, we performed crystallographic studies on N,N'-diacetylchitobiose deacetylases (Dacs) from Pyrococcus horikoshii (Ph-Dac) and Pyrococcus furiosus (Pf-Dac). Neither Ph-Dac nor Pf-Dac was expressed in the soluble … crypto-goldWebJun 1, 2006 · MshB, the GlcNAc-Ins deacetylase, is a key enzyme in MSH biosynthesis. MshB from M. tuberculosis was cloned, expressed, ... N,N′-diacetylchitobiose deacetylase (Dac) belongs to the CE-14 family and plays a role in the chitinolytic pathway in archaea by deacetylating N,N′-diacetylchitobiose ... crypt of hearts locationWebJul 1, 2013 · The purified Pyrococcus Dacs were active and thermostable up to 85 °C. The crystal structures of Ph-Dac and Pf-Dac were determined at resolutions of 2.0 Å and 1.54 Å, respectively. The Pyrococcus Dac forms a hexamer composed of two trimers. These Dacs are characterized by an intermolecular cleft, which is formed by two polypeptides in the ... crypt of hearts iiWebSo far chitin deacetylase from fungi and insects, chitooligosaccharide deacetylase (NodB) from Rhizobium, and bacterial GlcNAc6P deacetylase have been known as catalytically … crypto-gainsWebConcerted Action of Diacetylchitobiose Deacetylase and Exo- -D-glucosaminidase in a Novel Chitinolytic Pathway in the Hyperthermophilic Archaeon Thermococcus … crypt of hearts esoWebJun 16, 2012 · N,N'-diacetylchitobiose deacetylase (Dac) belongs to the CE-14 family and plays a role in the chitinolytic pathway in archaea by deacetylating N,N'-diacetylchitobiose (GlcNAc2), which is the end ... crypto-gramWebAug 24, 2024 · This deacetylase can also use diacetylchitobiose-6-phosphate as a substrate to produce monoacetylchitobiose-6-phosphate, which is the inducer and substrate of ChbR and ChbF, respectively 14. crypt of hearts 1 location