Chromopeptide

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WebThese findings confirmed the origin of the chromopeptide as a result of intramolecular photolytic cleavage of the bond between the amino group and the αcarbon of His65 and also to tryptic...

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WebSep 10, 2004 · We present evidence of analogous molecules for copper transport from methane-oxidizing bacteria, represented here by a small fluorescent chromopeptide (C 45 N 12 O 14 H 62 Cu, 1216 daltons) produced by Methylosinus trichosporium OB3b. The crystal structure of this compound, methanobactin, was resolved to 1.15 angstroms. WebOct 24, 2000 · Chromophore Structure Revealed by Mass Spectra. Mature DsRed and its green K83R mutant were separately digested by LysC, a lysyl endopeptidase. The peptide containing the chromophore absorbing at 360 nm was isolated by HPLC as described in Materials and Methods. iphone 13 startar inte

Nonribosomal biosynthesis of microbial chromopeptides

WebAug 5, 2024 · Chromopeptides hydrolyzed from CPC could be a potential blue colorant with biological activity. • Peptide-chromophore complex is stabilized by hydrophobic interaction and hydrogen bonding. • Six plausible binding regions of chromophore with peptides are identified responsible for the chromopeptide function. Abstract WebSep 16, 2016 · Chromopeptides, obtained by pepsin digestion, were purified and identified by tandem mass spectrometry. These chromopeptides demonstrated significant antioxidant, Cu2 + -chelating and anti-cancer activities. 2. Materials and methods 2.1. C-phycocyanin and phycocyanobilin purification and quantification WebNonribosomal chromopeptides and mixed chromopeptide-polyketides contain aromatic or heteroaromatic side groups which are important recognition elements for interaction with cellular targets such as DNA and proteins, resulting in the biological activities of these natural products. iphone 13 status bar huge

Getting COSY with Methanobactin: NMR Chromopeptide …

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WebChromopeptide A, a highly cytotoxic depsipeptide from the marine sediment-derived bacterium Chromobacterium sp. HS-13-94 Acta Pharm Sin B. 2015 Jan;5 (1):62-6. doi: 10.1016/j.apsb.2014.11.001. Epub 2015 Jan 7. Authors Webchromopeptide ( plural chromopeptides ) ( organic chemistry) Any peptide that has an added chromophore (typically an azo compound) This page was last edited on 2 March … iphone 13 standard sizeWebChromopeptide A, a highly cytotoxic depsipeptide from the marine sediment-derived bacterium Chromobacterium sp. HS-13-94 Chromopeptide A, a highly cytotoxic … iphone 13 stay on longer

"Webchromopeptide showed a mixture of the 2187.11-Da species plus a congener having lost an additional 2 Da, with approximately equal amplitudes (Fig. 1A). Loss of 2 Da immediately suggested an additional dehydrogenation, for which the most plausible location would be within the remnants of Gln-66 to form an acylimine, as shown in structure 2 of ... " - Chromopeptide

Chromopeptide

WebAmong these, FR901375 chromopeptide A, FR901375, largazole, spiruchostatin A, HC-toxin, trapoxin, and azumamide are currently investigated for their anti-tumorigenic potential . Trapoxin in particular appears to have a high affinity with HDAC8 [ 260 ] and has been shown to be inducing stemness genes (such as NANOG, SOX2, and TERT) in adipose ... WebMar 29, 2024 · Chromoproteins are a class of delicate natural compounds that elegantly complex photosensitive species with proteins and play a central role in important …

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WebMar 10, 2005 · Methanobactin is an extracellular, copper-binding chromopeptide from the methane-oxidizing bacterium, Methylosinus trichosporium OB3b, believed to be involved in copper detoxification, sequestration, and uptake. Although small (1217.2 Da), methanobactin possesses a complex three-dimensional macrocyclic structure with … WebPC3 and DU145 were treated with chromopeptide A or FK228 (0.2, 1, 5, 20, and 50 nmol/L) for 24 h. HDAC activity was measured (B) and the substrate of class I HDAC was detected with immunoblotting (C).

WebNov 26, 2024 · Zhou Z, Wang X, Zhang H, Sun J, Zheng L, Liu H, et al. Chromopeptide A, a highly cytotoxic depsipeptide from the marine sediment-derived bacterium … WebDec 24, 1999 · The chromopeptide was a singly charged ion with a mass-to-charge ratio (m/z) of 805.6 (Fig. 3D), consistent with the expected mass of a CNBr product, PCB …

WebChromoprotein. A chromoprotein is a conjugated protein that contains a pigmented prosthetic group (or cofactor). A common example is haemoglobin, which contains a … WebFunctional chromopeptide nanoarchitectonics: molecular design, self-assembly and biological applications Chem. Soc. Rev. (IF 60.615) Pub Date : 2024-03-29 Rui Chang, Luyang Zhao, Ruirui Xing, Junbai Li, Xuehai Yan 更新日期：2024-03-29 详情 ...

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WebDec 24, 1999 · The chromopeptide was a singly charged ion with a mass-to-charge ratio ( m / z) of 805.6 ( Fig. 3 D), consistent with the expected mass of a CNBr product, PCB-histidyl homoserine lactone, formed from the release of … iphone 13 status bar figmaWebChromopeptide A is a depsipeptide isolated from the marine sediment-derived bacterium Chromobacterium sp. HS-13-94; it has a chemical structure highly similar to … iphone 13 static phone callWebPc. chromopeptide have been demonstrated for geometric iso-mers (E-configurated) prepared from all-Z-configurated Pr chromopeptides and phycocyanin chromopeptides (11). Similar properties also were reported for E-configurated bilindiones (12-17). It was concluded that the chromophore of the Pfr pep- iphone 13 stock availabilityWebJan 7, 2015 · In summary, chromopeptide A (1), a new depsipeptide structurally related to the known clinically used drug romidepsin, was isolated from a deep-sea … iphone 13 stitch caseWebActinomycin D is a well-known antibiotic that exhibits high antibacterial and antitumor activity. It has been widely used in clinical practice since 1954 as an anticancer drug to … iphone 13 straight talk amazonWebSpecial attention is paid to the chemical scaffolds, biological activities and origin of these novel antibacterial, antifungal and antiviral compounds. Arenimycin C, chromopeptide lactone RSP 01, kocurin, macrolactins A1 and B1, chaxamycin D as well as anthracimycin are regarded as the most effective compounds with antibacterial activity. iphone 13 straight talk payment planWebThe amino-terminal, 74-kDa chromopeptide, a degradation product of the far-red absorbing form of the pigment (Pfr), is shown to be spectrally similar to the 124-kDa, undegraded molecule. The minimum and maximum of the difference spectrum (Pr-Pfr) are 730 and 665 nm, respectively, and the spectral-change ratio is unity. iphone 13 stopped loading apps