Carbohydrates and glycoconjugates

<p>Sodium Tetragalacturonate (α-1,4 sodium tetrgalacturonate) is derived from pectin or pectic acid, by enzymatic or partial acid hydrolysis (Combo, 2012). It is used in galacturonic acid metabolism research as a substrate to identify, differentiate, and characterize endo- and exopolygalacturonase(s) and gluconase(s) (Jayani, 2005). The addition of very short fragments of homogalacturonan, tri-galacturonate, and tetra-galacturonate oligosaccharides, restore development in dark-grown, de-etiolated seedling mutants, suggesting that they are unable to generate de-methylesterified pectin fragments. A model of spatiotemporally separated photoreceptive and signal-responsive cell types has been proposed, that contains overlapping subsets of the regulatory network of light-dependent seedling development (Sinclair, 2017).</p>

<p>3'-Sialyl Lewis X 16-sp - biotin is a modified oligosaccharide that is synthesized by the addition of a sialic acid residue to the terminal position of the carbohydrate. This product has a CAS number and can be custom synthesized to meet specific customer requirements. 3'-Sialyl Lewis X 16-sp - biotin is an important glycosylation site for many proteins, including CD45 and CD47, which are present in erythrocytes and leukocytes respectively. It is also used as an important substrate for methylation reactions due to its susceptibility to S-adenosyl methionine. 3'-Sialyl Lewis X 16-sp - biotin is soluble in water and has a high purity. The structure of this oligosaccharide includes a complex carbohydrate composed of mono-, di-, tri-, tetra-, penta-, hexa-, hepta-, octa-, nona-, deca-sac</p>

<p>Methyl 3-O-(2,3,4,6-tetra-O-acetyl-a-D-mannopyranosyl)-a-D-mannopyranoside is a synthetic glycosylation product of methyl 3,4,6-triacetate and a mannose. It is an Oligosaccharide with the molecular formula (C12H25O14)n. Methyl 3-O-(2,3,4,6-tetra-O-acetyl-a-D-mannopyranosyl)-a-D -mannopyranoside is a white crystalline powder that can be used in the synthesis of complex carbohydrates. It has been shown to react with fluorine to produce a monofluorinated product and methylated products. This compound can be custom synthesized and modified for specific applications. Methyl 3 - O - ( 2 , 3 , 4 , 6 -</p>

<p>2-Acetamido-2-deoxy-6-O-(b-D-galactopyranosyl)-D-galactopyranose is a model organism that is used in the study of virus replication. It is a substrate for viral glycosylation and has been shown to be involved in mammalian cell growth. 2-Acetamido-2-deoxy-6-O-(b-D-galactopyranosyl)-D-galactopyranose is an iron oxide and it can be used as a contrast agent for magnetic resonance imaging (MRI) or computed tomography (CT). The gene product has not yet been identified, but it has been shown to be involved in fatty acid metabolism and cancer. This molecule also plays a role in the life cycle of some infectious diseases, such as influenza A virus.</p>

<p>NGA3B N-Glycan is a high purity, custom synthesis, methylation and fluorination modification of the product. This product is an oligosaccharide that is composed of saccharides and sugars. It has a CAS No. 1620146-04-4.</p>

<p>The acetolysis of carrageenan produces a polymer homologous series of oligosaccharides, [Gal α1,3 Gal, Gal β1,4 Gal], [Gal α1,3 Gal β1,4 Gal, Gal β14, Gal α1,3 Gal], [Gal α1,3 Gal β1,4 Gal α1,3 Gal, Gal β1,4Gal α1,3Gal β1,4Gal] etc. (Lawson, 1968). This is significant as it provides an entry to the α-gal series or Galili antigens due to the fact that the disaccharide Galα1,3 Gal can be isolated in quantity. The distribution of the full α-gal epitope (Galα1-3Galβ1-4GlcNAc-R) is unique in mammals, being abundantly expressed on glycoconjugates of non-primate mammals, prosimians and New World monkeys. In contrast, the α-gal epitope is not expressed on glycoconjugates of Old World monkeys, apes and humans; instead, they produce the natural anti-Gal antibody that specifically binds the α-epitope. Anti-Gal mediates the rejection of pig xenograft organs in humans and monkeys by binding α-gal epitopes on the pig cells, inducing complement mediated destruction and antibody dependent cell mediated destruction. This barrier to xenotransplantation has been eliminated by producing α1,3 glycosyltransferase to knockout pigs. Since anti-Gal is ubiquitous in humans, the α-gal epitope has clinical potential in the production of vaccines expressing α-epitopes that can be targeted to antigen presenting cells (APC), thereby increasing the immunogenicity of viral and other microbial vaccines (Macher, 2008).</p>

<p>Sialylated trisaccharide found in human urine</p>

<p>Produced by the fast pyrolysis of cellulose</p>

<p>GM2-oligosaccharide (sodium salt) is a trisaccharide (GalNAcβ1,4Galβ1,4Glc) with sialic acid linked α2,3 to the central galactose residue (Ledeen, 2009). The parent GM2 ganglioside is present on neuronal cells and plays a key role in the regulation of dendritogenesis in cortical pyramidal neurons. In lysosomal storage disorders, such as, Tay-Sachs and Sandhoff disease, where hexosaminases A and B are deficient, GM2 ganglioside accumulates in the nervous system (Cachon-Gonzalez, 2018). GM2 ganglioside is also overexpressed in melanomas and other tumours of neuro-ecto origin (Yoshida, 2020). Moreover, the sugar moiety of GM2 ganglioside is a receptor allowing viral infection of cells with reovirus and rotavirus (Zhu, 2018).</p>

<p>This is an oligosaccharide that has been modified with a fluorinated saccharide. It is a complex carbohydrate that has been synthesized through custom synthesis and is high purity with a CAS No. This monosaccharide has been methylated and glycosylated, and it can be used in the synthesis of polysaccharides.</p>

<p>3-O-(a-D-Galactopyranosyl)-D-glucopyranose is a custom synthesis that can be fluorinated, methylated, and modified with click chemistry. 3-O-(a-D-Galactopyranosyl)-D-glucopyranose is a sugar that can be used in the synthesis of oligosaccharide or polysaccharide. It also has saccharide binding properties. 3-O-(a-D-Galactopyranosyl)-D-glucopyranose is soluble in water and does not react with strong acids such as HCl.</p>

<p>Ex algal/bacterial polysaccharides-value in b1-3 glucanase assays &amp; diagnostics</p>

<p>Tetra-guluronic acid sodium salt (1,4-linked α-L-sodium guluronotetraose) is one of a number of oligosaccharides obtained from alginate, a polysaccharide from brown seaweeds. It contains blocks of: repeating mannuronic acid sequences (M-M-M-M etc), repeating guluronic acid sequences (G-G-G-G etc), and alternating M-G-M-G sequences. This oligosaccharide can be released by acid hydrolysis and a number of biological activities have been discussed in a recent review.</p>

<p>3-Galactosyl-N-acetyl-D-lactosamine is a custom synthesis of an oligosaccharide. The complex carbohydrate is composed of a saccharide and its modification. 3-Galactosyl-N-acetyl-D-lactosamine is a polysaccharide that contains saccharides with methylation, glycosylation, and click modification. The carbohydrate has high purity and is fluorinated. It has been synthesized using the Click chemistry method to modify the saccharides in the glycan.</p>

<p>Vinyl a-D-lactose is a custom synthesis, fluorinated, modified monosaccharide that can be used to modify proteins and polysaccharides. It has been shown to react with proteins through the click chemistry reaction and methylation. Vinyl a-D-lactose can be used for glycosylation of saccharides and complex carbohydrates in order to synthesize oligosaccharides.</p>

<p>Induces ulceration; used to model inflammatory bowel disease</p>

<p>Methoxyphenyl 3-O-(3-O-allyl-2,4,6-tri-O-benzyl-β-D-galactopyranosyl)-6-O-benzyl-2,-deoxy, 2N-(phthalamido)-bDglucopyranoside is a fluorinated monosaccharide that is synthesized from the corresponding benzaldehyde and propargylic alcohol. The glycosidic bond is formed by an O-(3'-O allyl) β - D - galactopyranosyl group. The methylene bridge in the molecule can be modified with a click chemistry reaction to react with a thiol group on a protein. This modification allows for the site specific incorporation of the sugar into proteins.</p>

<p>Please enquire for more information about Galacturonan oligosaccharide DP7 sodium, 40% HPAEC-PAD including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>4-Methoxyphenyl 2,4,6-tri-O-(3,4,6-tri-O-benzyl-2-deoxy-2-phthalimido-b-D-glucopyranosyl)-3-O-(benzyl)aDmannopyranoside is a custom synthesis of an oligosaccharide. It is an acetal derivative of 4methoxyphenyl 2,4,6tri O-(3,4,6tri Obenzyl 2deoxy2 phthalimido b D glucopyranosyl) 3 O (benzyl) ad mannopyranoside with a methoxymethyl group at the C5 position and a benzyl ether moiety at the C6 position. The molecule contains a methylated sugar as well as fluorine modification on the ring oxygen atom. This molecule has a high purity and is offered in both monos</p>

<p>4-Methoxyphenyl 2,3,6-tri-O-acetyl-4-O-[2,4,6-tri-O-acetyl-3-O-(3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido)-bDgalactopyranosyl]-bDglucopyranoside is a modification of an oligosaccharide that has been synthesized by the Oligosaccharide Synthesis and Custom Synthesis Department at Acetech. This product is a complex carbohydrate with a high purity and CAS No. The carbohydrate chain is composed of a monosaccharide methylated at the 4 position and glycosylated with two polysaccharides (sugar) at the 1 and 3 positions. The saccharides are esterified with acetate moieties at the 2 positions. It contains fluorine atoms in the form of flu</p>