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Showing 1-30 of 41 results for "G5509" within Papers
Mark E Graham et al.
Organic & biomolecular chemistry, 10(13), 2545-2551 (2012-03-01)
A novel post-translational modification of threonine, β-N-acetylglucosaminyl-phosphate, was recently discovered on assembly protein AP180, a protein which plays a crucial role in clathrin coated vesicle formation in synaptic vesicle endocytosis (SVE). Herein, we report studies aimed at probing the effect
Kevin Klawuhn et al.
Chembiochem : a European journal of chemical biology, 11(18), 2567-2571 (2010-11-26)
The bacterial glmS ribozyme is mechanistically unique among both riboswitches and RNA catalysts. Its self-cleavage activity is the basis of riboswitch regulation of glucosamine-6-phosphate (GlcN6P) production, and catalysis requires GlcN6P as a coenzyme. Previous work has shown that the coenzyme
Marie Valerio-Lepiniec et al.
Archives of biochemistry and biophysics, 498(2), 95-104 (2010-04-27)
Glucosamine-6-phosphate synthase (GlmS) is responsible for the first and rate-limiting step in the hexosamine biosynthetic pathway. It catalyzes the conversion of D-fructose-6P (F6P) into D-glucosamine-6P (GlcN6P) using L-glutamine (Gln) as nitrogen donor (synthase activity) according to an ordered bi-bi process
S Yousef Ebrahimipour et al.
Microbial pathogenesis, 113, 160-167 (2017-10-28)
A novel Co(III) complex, [Co(L)(Imi)
Magdalena Popowska et al.
Archives of microbiology, 194(4), 255-268 (2011-09-29)
The main aim of our study was to determine the physiological function of NagA enzyme in the Listeria monocytogenes cell. The primary structure of the murein of L. monocytogenes is very similar to that of Escherichia coli, the main differences
Christina E Lünse et al.
ACS chemical biology, 6(7), 675-678 (2011-04-14)
The glmS-riboswitch is unique among riboswitch families as it represents a metabolite-dependent ribozyme that undergoes self-cleavage upon recognition of glucosamin-6-phosphate. The glmS-riboswitch is located in the 5'-untranslated region of bacterial genes involved in cell wall biosynthesis. Therefore, this riboswitch represents
Jesse C Cochrane et al.
Biochemistry, 48(15), 3239-3246 (2009-02-21)
The glmS ribozyme is the first naturally occurring catalytic RNA that relies on an exogenous, nonnucleotide cofactor for reactivity. From a biochemical perspective, the glmS ribozyme derived from Bacillus anthracis is the best characterized. However, much of the structural work
Zhen Huang et al.
Nucleic acids research, 37(12), 4022-4032 (2009-05-07)
RNA is ideally suited for in vitro evolution experiments, because a single RNA molecule possesses both genotypic (replicable sequence) and phenotypic (selectable shape) properties. Using systematic evolution of ligands by exponential enrichment (SELEX), we found a single 58-nt aptamer sequence
Phillip J McCown et al.
RNA (New York, N.Y.), 17(4), 728-736 (2011-03-04)
Self-cleaving glmS ribozymes selectively bind glucosamine-6-phosphate (GlcN6P) and use this metabolite as a cofactor to promote self-cleavage by internal phosphoester transfer. Representatives of the glmS ribozyme class are found in Gram-positive bacteria where they reside in the 5' untranslated regions
Bernhard Wulffen et al.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 11(3), 489-492 (2011-10-19)
We have synthesized a light-activatable ("caged") derivative of glucosamine-6-phosphate (GlcN6P), which only upon irradiation becomes a cofactor for the glmS riboswitch. This glmS riboswitch maintains its activity when embedded in the 3'-untranslated region of eukaryotic mRNA molecules and caged GlcN6P
Yongmeng Li et al.
Carbohydrate research, 346(13), 1714-1720 (2011-06-28)
GlmM and GlmU are key enzymes in the biosynthesis of UDP-N-acetyl-d-glucosamine (UDP-GlcNAc), an essential precursor of peptidoglycan and the rhamnose-GlcNAc linker region in the mycobacterial cell wall. These enzymes are involved in the conversion of two important precursors of UDP-GlcNAc
Mamoru Nozaki et al.
The Plant cell, 24(8), 3366-3379 (2012-08-31)
To study the regulatory mechanisms underlying lignin biosynthesis, we isolated and characterized lignescens (lig), a previously undescribed temperature-sensitive mutant of Arabidopsis thaliana that exhibits ectopic lignin deposition and growth defects under high-temperature conditions. The lig mutation was identified as a
Wu-Hsiung Wu et al.
Royal Society open science, 7(3), 191241-191241 (2020-04-10)
Cancer cells are known to exhibit unusual metabolic activity, and yet few metabolic cancer driver genes are known. Genetic alterations and epigenetic modifications of cancer cells result in the abnormal regulation of cellular metabolic pathways that are different when compared
Juan Wang et al.
FEBS letters, 582(20), 2973-2978 (2008-08-05)
Glucosamine-6-phosphate (GlcN6P) N-acetyltransferase 1 (GNA1) is a key enzyme in the pathway toward biosynthesis of UDP-N-acetylglucosamine, an important donor substrate for N-linked glycosylation. GNA1 catalyzes the formation of N-acetylglucosamine-6-phosphate (GlcNAc6P) from acetyl-CoA (AcCoA) and the acceptor substrate GlcN6P. Here, we
Hechao Du et al.
Journal of agricultural and food chemistry, 66(18), 4716-4724 (2018-04-25)
Bacillus cereus is an opportunistic pathogen that causes foodborne diseases. We isolated a novel bacteriocin, designated plantaricin GZ1-27, and elucidated its mode of action against B. cereus. Plantaricin GZ1-27 was purified using ammonium sulfate precipitation, gel-filtration chromatography, and RP-HPLC. MALDI-TOF/MS
Changsheng Dong et al.
Biochemical and biophysical research communications, 529(4), 950-956 (2020-08-21)
β-arrestin-2, a multifunctional adaptor protein, was originally identified as a negative regulator of G protein-mediated signaling. We previously revealed that SUMOylation as a novel mechanism modulates β-arrestin-2-mediated IL-1R/TRAF6 signaling. However, the potential role of β-arrestin-2 SUMOylation in tumor cells was
Pavel Banás et al.
The journal of physical chemistry. B, 114(26), 8701-8712 (2010-06-12)
The glmS catalytic riboswitch is part of the 5'-untranslated region of mRNAs encoding glucosamine-6-phosphate (GlcN6P) synthetase (glmS) in numerous gram-positive bacteria. Binding of the cofactor GlcN6P induces site-specific self-cleavage of the RNA. However, the detailed reaction mechanism as well as
Christy A Foster et al.
Biochimica et biophysica acta, 1833(9), 2039-2044 (2013-05-15)
The role of adrenal hexose-6-phosphate dehydrogenase in providing reducing equivalents to P450 cytochrome steroidogenic enzymes in the endoplasmic reticulum is uncertain. Hexose-6-phosphate dehydrogenase resides in the endoplasmic reticulum lumen and co-localizes with the bidirectional enzyme 11β-hydroxysteroid dehydrogenase 1. Hexose-6-phosphate dehydrogenase
Kyung-Chae Jeong et al.
Journal of cancer research and clinical oncology, 136(1), 143-150 (2009-08-06)
Although many efforts on revealing mechanism of the constitutive activation of NF-κB in cancer cells contributed to understanding canonical pathways, largely it remains to be determined for therapeutic approaches. Recently, we found that increased expression of transglutaminase 2 (TGase 2)
Amit Lather et al.
BMC chemistry, 14(1), 41-41 (2020-06-25)
Preservatives have to be added in food, pharmaceuticals and cosmetics products to maintain their shelf life. However, the existing chemical based preservatives have been associated with severe side effects that compel the researchers to find better safe preservatives based on
Adrian R Ferré-D'Amaré
Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 366(1580), 2942-2948 (2011-09-21)
The glmS ribozyme-riboswitch is the first known example of a naturally occurring catalytic RNA that employs a small molecule as a coenzyme. Binding of glucosamine-6-phosphate (GlcN6P) activates self-cleavage of the bacterial ribozyme, which is part of the mRNA encoding the
Jared H Davis et al.
Biochemistry, 50(33), 7236-7242 (2011-07-21)
The glmS riboswitch regulates gene expression through a self-cleavage activity. The reaction is catalyzed with the assistance of the metabolite cofactor glucosamine-6-phosphate (GlcN6P), whose amino group is proposed to serve as the general acid during the reaction. This reaction is
Adrian R Ferré-D'Amaré
Quarterly reviews of biophysics, 43(4), 423-447 (2010-09-09)
The glmS ribozyme is the first known example of a natural ribozyme that has evolved to require binding of an exogenous small molecule for activity. In Gram-positive bacteria, this RNA domain is part of the messenger RNA (mRNA) encoding the
Reflections on glycobiology.
S Roseman
The Journal of biological chemistry, 276(45), 41527-41542 (2001-09-13)
Matthew W L Lau et al.
Nature chemical biology, 9(12), 805-810 (2013-10-08)
Uniquely among known ribozymes, the glmS ribozyme-riboswitch requires a small-molecule coenzyme, glucosamine-6-phosphate (GlcN6P). Although consistent with its gene-regulatory function, the use of GlcN6P is unexpected because all of the other characterized self-cleaving ribozymes use RNA functional groups or divalent cations
Mohamed Reda Aouad et al.
Chemistry Central journal, 11(1), 117-117 (2017-11-22)
1,2,4-Triazoles and 1,2,3-triazoles have gained significant importance in medicinal chemistry. This study describes a green, efficient and quick solvent free click synthesis of new 1,2,3-triazole-4,5-diesters carrying a lipophilic side chain via 1,3-dipolar cycloaddition of diethylacetylene dicarboxylate with different surfactant azides.
Krista M Brooks et al.
Biochemistry, 50(13), 2424-2433 (2011-03-15)
The glmS ribozyme is a conserved riboswitch found in numerous Gram-positive bacteria and responds to the cellular concentrations of glucosamine 6-phosphate (GlcN6P). GlcN6P binding promotes site-specific self-cleavage in the 5' UTR of the glmS mRNA, resulting in downregulation of gene
Chang-Suk Kong et al.
The Journal of nutritional biochemistry, 21(5), 438-443 (2009-05-12)
Phosphorylated glucosamine (glucosamine-6-phosphate, PGlc) was synthesized using methanesulfonic acid, phosphorus pentoxide (P(2)O(5)), NH(2)NH(2) and DMF. Its inhibitory effect on lipid accumulation in cultured 3T3-L1 adipocytes was investigated by measuring triglyceride contents and Oil Red O staining. In order to understand
James S Davies et al.
FEBS letters, 593(1), 52-66 (2018-11-10)
N-Acetylglucosamine-6-phosphate deacetylase (NagA) and glucosamine-6-phosphate deaminase (NagB) are branch point enzymes that direct amino sugars into different pathways. For Staphylococcus aureus NagA, analytical ultracentrifugation and small-angle X-ray scattering data demonstrate that it is an asymmetric dimer in solution. Initial rate experiments
Xiaoqiang Ma et al.
Proceedings of the National Academy of Sciences of the United States of America, 117(14), 7719-7728 (2020-03-28)
Chitin is the most abundant renewable nitrogenous material on earth and is accessible to humans in the form of crustacean shell waste. Such waste has been severely underutilized, resulting in both resource wastage and disposal issues. Upcycling chitin-containing waste into
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