Dethiobiotin synthase

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August undefined, 2024

WebMay 1, 2016 · The function of biotin synthase is to convert dethiobiotin, a product of dethiobiotin synthase (encoded by bioD), the third enzyme in the biotin biosynthesis pathway, to biotin. Biotin is an indispensable nutrient found in all living cells. Microorganisms, plants and a few fungi (most fungi obtain it from the environment) are … WebMar 3, 1998 · HPLC analysis of reaction mixtures revealed the presence of a compound with the characteristics of an intermediate: (1) it was labelled with 14C, and therefore derived from the [14C]dethiobiotin substrate; (2) it was present only in reaction mixtures containing biotin synthase; (3) it was not derived from [14C]biotin; (4) 35S from [35S]cystine ...

Cloning, expression and characterization of histidine-tagged biotin ...

WebBiotin synthase (BioB) catalyzes the insertion of a sulfur atom between the C6 and C9 carbons of dethiobiotin. Reconstituted BioB from Escherichia coli contains a [4Fe-4S]2+/1+ cluster thought to be involved in the reduction and cleavage of S-adenosylmethionine (AdoMet), generating methionine and the reactive 5′-deoxyadenosyl radical responsible … WebDethiobiotin synthase is the penultimate enzyme in the biotin synthesis pathway in E. coli and other microorganisms. The enzyme catalyses the formation of the ureido ring … ma house bill 5060

Dethiobiotin: Uses, Interactions, Mechanism of Action - DrugBank

Webdethiobiotin synthase. Gene provides a unified query environment for genes defined by sequence and/or in NCBI's Map Viewer. bioD dethiobiotin synthase [] Gene ID: 1245251, discontinued on 29-Dec-2024. Summary. Other designations. dethiobiotin synthase ... WebMar 9, 2024 · biotin synthase. GeneRIFs: Gene References Into Functions. In biotin synthase, abstraction of a hydrogen atom from the C9 methyl group of dethiobiotin results in formation of a dethiobiotinyl methylene carbon radical, which is quenched by a sulfur atom to form a new carbon-sulfur bond in 9-mercaptodethiobiotin. WebBiotin synthase catalyzes formation of the thiophane ring through stepwise substitution of a sulfur atom for hydrogen atoms at the C9 and C6 positions of dethiobiotin. Biotin synthase is a radical S-adenosylmethionine (SAM) enzyme that reductively cleaves S-adenosylmethionine, generating 5′-deoxyadenosyl radicals that initially abstract a … ma house budget 2023

Biotin synthase: Insights into radical-mediated carbon–sulfur bond ...

Biotin synthase (BioB) (EC 2.8.1.6) is an enzyme that catalyzes the conversion of dethiobiotin (DTB) to biotin; this is the final step in the biotin biosynthetic pathway. Biotin, also known as vitamin B7, is a cofactor used in carboxylation, decarboxylation, and transcarboxylation reactions in many organisms including humans. Biotin synthase is an S-Adenosylmethionine (SAM) dependent enzym… WebJan 11, 2024 · BioD, dethiobiotin synthase In contrast to the preceding enzymes (with the exception of BioU), BioD (DTB synthase) catalyzes an unusually interesting step. This is the mechanistically unusual reaction of ATP (or CTP) dependent insertion of CO 2 between the N7 and N8 nitrogen atoms of DAPA to form the ureido moiety of biotin. ma house bill 4127WebGSE12663: virulence determinants of Francisella tularensis revealed by transcriptional profiling inside macrophages: GSE42863: Flagellar export apparatus protein, FliH, is involved in post-transcriptional regulation of FlaB, motility and virulence of the relapsing fever spirochete Borrelia hermsii ma house bill 4805

"WebDethiobiotin. The conversion of dethiobiotin (4) into biotin (5), which is catalyzed by biotin synthase, is the most novel step in biotin biosynthesis since it involves the formal … " - Dethiobiotin synthase

Dethiobiotin synthase

WebKrell K, Eisenberg MA: The purification and properties of dethiobiotin synthetase. J Biol Chem. 1970 Dec 25;245(24):6558-66. Yang G, Sandalova T, Lohman K, Lindqvist Y, Rendina AR: Active site mutants of Escherichia coli dethiobiotin synthetase: effects of mutations on enzyme catalytic and structural properties. WebDec 14, 2024 · Mycobacterium tuberculosis dethiobiotin synthase ( Mt DTBS) is a crucial enzyme involved in the biosynthesis of biotin in the causative agent of tuberculosis, M. …

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WebAug 21, 2012 · DAPA synthase and dethiobiotin synthase are encoded by adjacent genes that can be alternatively spliced to specify a bifunctional fusion protein or separate enzymes (Muralla et al., 2008). The fusion and the separate dethiobiotin synthase are predicted to be mitochondrial and the separate DAPA synthase is predicted to be cytosolic; … WebMycobacterium tuberculosis dethiobiotin synthase (MtDTBS) is a crucial enzyme involved in the biosynthesis of biotin in the causative agent of tuberculosis, M. tuberculosis. …

WebThis article is published in Journal of the American Chemical Society.The article was published on 1952-06-01. It has received 43 citation(s) till now. WebJan 13, 1994 · Strands 1, 4, 5, and 6 form the classic mononucleotide-binding motif as found in other ATP- and GTP-binding proteins. Dethiobiotin synthase from E. coli is a dimer built up of two identical subunits. The dimer is formed through packing along a molecular two-fold axis, which in the crystals coincides with the crystallographic two-fold axis.

WebDethiobiotin synthase is involved in biotin biosynthesis and catalyses the reaction (CO2 + 7,8-diaminononanoate + ATP = dethiobiotin + phosphate + ADP). The enzyme binds ATP (see motif in first 12 residues of the SEED alignment) and requires magnesium as a co-factor. [Biosynthesis of cofactors, prosthetic groups, and carriers, Biotin] WebJan 2, 2024 · Keto-aminopelargonic acid synthase, EC 2.3.1.47; diaminopelargonic acid synthase (aminotransferase), EC 2.6.1.62; dethiobiotin synthase, EC 6.3.3.3; and biotin synthase, EC 2.8.1.6. cyclizes by elimination of the phosphate group. The two amide bonds are thus formed using a single mole of ATP ^ ADP + Pj.

WebJan 11, 2024 · Biotin synthase belongs to the radical SAM superfamily and contains the signature Cys-X-X-X-Cys-X-X-Cys motif sequence required for [4Fe-4S] cluster binding. …

WebBiotin synthase (BioB) catalyzes the oxidative insertion of a sulfur atom between the C6 methylene and the C9 methyl positions in dethiobiotin. The enzyme couples oxidation … oakcliff ann arborWebOct 15, 1998 · The crystal structure of the 224-residue protein dethiobiotin synthetase from Escherichia coli has been refined using X-ray diffraction data at 0.97 A resolution at 100 K. The model, consisting of 4143 protein atoms including 1859 H atoms and 436 solvent sites, was refined to a final R factor of 11.6% for all reflections, and has an estimated ... ma house budgetWebJun 13, 2005 · Catalyzes the conversion of dethiobiotin (DTB) to biotin by the insertion of a sulfur atom into dethiobiotin via a radical-based mechanism. Gene Name bioB Uniprot … ma house budget fy18Webdethiobiotin synthetase, dethiobiotin synthase, more top print hide 6 entries Go to Reaction Search REACTION REACTION DIAGRAM COMMENTARY ORGANISM … mahou senshi lemmtear knights 2 game cgWebAug 17, 2024 · Mycobacterium tuberculosis dethiobiotin synthase ( Mt DTBS) is a crucial enzyme involved in the biosynthesis of biotin in the causative agent of tuberculosis, M. … oak cliff americaWebwere included. See Data S1 for genomic and taxonomic data. Author: 15716_sing Created Date: 03/23/2024 23:15:00 Last modified by: 15716_sing mahou senshi interlude phantomWebEC Tree. 6 Ligases. 6.3 Forming carbon-nitrogen bonds. 6.3.3 Cyclo-ligases. 6.3.3.3 dethiobiotin synthase. IUBMB Comments. CTP has half the activity of ATP. Specify your search results. Mark a special word or phrase in this record: ma house elections 2022