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Topic: Heterosaccharide


In the News (Wed 30 Dec 09)

  
  Methods for making and using a thermophilic enzyme as a β-glycosidase - Patent 6960454
β-Glycosidases are useful for hydrolysis of saccharides, DNA sequencing, conformational analysis of glycoproteins and glycolipids, and enzymatic synthesis of oligosaccharides and heterosaccharides with high optical purities.
In this procedure, the reverse hydrolytic reaction (i.e., synthetic reaction) is utilized which predominately occurs in the presence of an organic solvent.
Variants of the enzyme, that is, thermophilic enzymes comprising deletion, replacement or addition of one or a plurality of amino acid residues in the amino acid sequence of SEQ ID NO: 2 and having β-glycosidase activity, may be prepared by any known techniques, such as site-specific mutagenesis and the PCR method.
www.freepatentsonline.com /6960454.html   (5728 words)

  
 Pectin   (Site not responding. Last check: 2007-10-14)
Pectin is a heterosaccharide derived from the cell wall of plants.
Pectins are variable in their chain lengths, complexity, and the order of each of the monosaccharide units.
Pectins are also found in root crops such as carrots and beetroot, as well as in tubers, such as potatoes.
www.dailynutritionals.com /pectin.html   (602 words)

  
 Tramadol, buy tramadol, antibiotics, Weight Loss drugs, weight loss herbs, weight loss herbal formula, hair loss, hair ...
Histidine 105, immediately adjacent to the site of attachment of a heterosaccharide side chain, has a C-2 proton chemical shift and pK that are insensitive to the large alteration in the bulk of the carbohydrate side chain.
The chemical shifts of the C-2 proton of histidine 48 and of the C-4 proton of histidine 80, histidine residues that are close to one another and to another heterosaccharide side chain, show a similar insensitivity.
The observations are direct evidence in support of the thesis that the heterosaccharides in porcine ribonuclease project away from the surface of the protein into the solution environment.
hair-loss-stop.com /ref-histidine/histidine-research-abs4.288.html   (1039 words)

  
 ASCO - Abstracts - PubMed Abstract View   (Site not responding. Last check: 2007-10-14)
Primary structure of the heterosaccharide of the surface glycoprotein of Methanothermus fervidus.
From the purified S-layer glycoprotein, a heterosaccharide was isolated.
The heterosaccharide consists of D-3-O-methylmannose, D-mannose, and D-N-acetylgalactosamine in a molar ratio of 2:3:1 corresponding to a relative molecular mass of 1061.83 Da.
www.oncology.com /ac/1,1003,_12-002867-00_18-008262914,00.asp?SearchNames=   (307 words)

  
 Chapter 3a text
TBG is synthesized in the liver as single polypeptide chain of 415 amino acids.
The mature molecule, minus the signal peptide, is composed of 395 amino acids (44 kDa) and four heterosaccharide units with 5 to 9 terminal sialic acids.
The carbohydrate chains are not required for hormone binding but are important for the correct post-translational folding and secretion of the molecule (14, 15) and are responsible for the multiple TBG isoforms (microheterogeneity) present on isoelectric focusing (16).
www.thyroidmanager.org /Chapter3/3a-text.htm   (3072 words)

  
 Heterosaccharide - Wikipedia, the free encyclopedia
Wikimedia needs your help in its US$200,000 fund drive.
A heterosaccharide is a glycoside in which a sugar group is attached to a nonsugar group.
This page was last modified 02:03, 10 March 2005.
en.wikipedia.org /wiki/Heterosaccharide   (51 words)

  
 Patch test materials for the detection of metal allergies - Patent 4904448
Besides, there are a group of the so-called derived proteins inclusive of gelatin and peptone, which do not belong to natural proteins but are derivable from slightly varied natural proteins.
By strict definition in chemical terms, glycoproteins stand for a group of proteins having a heterosaccharide side chain covalently bonded to a specific amino acid residue of their polypeptide chain.
The polypeptide chain has an amino acid sequence inherent in each molecule, and the saccharide chain is glycocide-bonded to any one of the hydroxide residues of serine or threonine, the acid amide residue of asparaginic acid and the hydroxide residue of oxylysine.
www.freepatentsonline.com /4904448.html   (3116 words)

  
 Benefits of Apple Cider Vinegar Diet
The first and most important one is that it has been noted that apple cider vinegar has important amounts of pectin.
This heterosaccharide has been found as an important method for alleviating determined symptoms.
Another important benefit of a apple cider vinegar diet its acidic properties, it is able to clean the digestive tract and it removes the calcium deposits from your joints and blood vessels (it must be mentioned that it doesn't affect the calcium levels of your teeth or your body, so don't worry about decalcification).
www.dietpolicy.com /diets-articles/diet-benefits-of-apple-cider-vinegar.htm   (436 words)

  
 Iranian Journal of Pharmaceutical Research (2004): Supplement 2   (Site not responding. Last check: 2007-10-14)
The enhancement or potentiation of host defense mechanisms has been recognized as a possible means of inhibiting tumor growth without harming the host.
Antitumor polysaccharides isolated from mushrooms (fruit-body, submerged cultured mycelial biomass or liquid culture broth) are either water-soluble β-D-glucans, β-D-glucans with heterosaccharide chains of xylose, mannose, galactose, and uronic acid or; β-D-glucan-protein complexes-proteoglycans.
Certain terpenoids and their derivatives have been isolated from mushroom species have been shown cytotoxic and anti-cancer properties.
www.ijpr-online.com /Docs/2004s2/219.htm   (237 words)

  
 Leaves on the Line - Science - RedOrbit   (Site not responding. Last check: 2007-10-14)
Interestingly, the supernatant also functioned as an effective lubricant at higher speeds (presumably due to its viscosity) but was less lubricious than the residue at low speeds The supernatant also was found to produce the characteristic fl coloration upon reaction with the steel surfaces.
The infrared tests unambiguously showed the presence of pectin in both the fl deposits and in the supernatant Pectin is a heterosaccharide found in the cell walls of plants and is known to form gels in the presence of metal ions (such as the iron from the steel rail).
The deposits also were found to contain cellulose.
www.redorbit.com /news/science/797222/leaves_on_the_line/index.html?source=r_science   (581 words)

  
 Chapter 5 - extraction, develpment and chemistry of anti-cancer compunds from medicinal mushrooms
The main antitumour compounds presently isolated from mushroom fruit-bodies, submerged cultural mycelial biomass or liquid culture broth have been identified as either water soluble b-D-glucans with heterosaccharide chains of xylose, mannose, galactose or uronic acid or b-D-glucan-protein complexes – proteoglycans.
Antitumour polysaccharides isolated from mushrooms (fruit-body, submerged cultured mycelial biomass or liquid culture broth) are either water-soluble b-D-glucans, b-D glucans with heterosaccharide chains of xylose, mannose, galactose, and uronic acid or b-D-glucan-protein complexes – proteoglycans (Table 1).
Where polysaccharides are produced by fermentation processes it is much easier to then harvest at optimum production points as is already practised in other fermentations such as with antibiotics.
www.fruiting-bodies.co.uk /cancer_research/cr_chapter5.htm   (3895 words)

  
 DHEA, antibiotics, Weight Loss drugs, weight loss herbs, weight loss herbal formula, hair loss, hair growth, buy Rx ...   (Site not responding. Last check: 2007-10-14)
An attempt to identify the intestinal receptor for the K88 adhesin by means of a haemagglutination inhibition test using glycoproteins and fractions from sow colostrum.
Inhibition was found with mucous glycoproteins and chemical modification of their heterosaccharide residues by mild acid hydrolysis, periodate oxidation or the Smith degradation procedure suggested that the terminal beta-D-galactosyl structure in a heterosaccharide sidechain of a glycoprotein might combine specifically with the K88 adhesin and inhibit haemagglutination.
One serum glycoprotein (fetuin), after exposure of its subterminal beta-D-galactosyl residue, also inhibited haemagglutination, but high inhibitory activity was exhibited by some submaxillary glycoproteins in which this structure was absent or not prominent.
twinpharm.com /ref-glycogen/glycogen-research-abs4.226.html   (986 words)

  
 Colostrum, analysis
The K88 antigen of Escherichia coli specifically adheres to the piglet intestinal cell; a solution of this antigen agglutinates guinea-pig red cells at 4 degrees C. The latter reaction was used as a model of the former, using inhibition of haemagglutination as an index of specific combination with the K88 adhesin.
Inhibition was found with mucous glycoproteins and chemical modification of their heterosaccharide residues by mild acid hydrolysis, periodate oxidation or the Smith degradation procedure suggested that the terminal beta-D-galactosyl structure in a heterosaccharide sidechain of a glycoprotein might combine specifically with the K88 adhesin and inhibit haemagglutination.
One serum glycoprotein (fetuin), after exposure of its subterminal beta-D-galactosyl residue, also inhibited haemagglutination, but high inhibitory activity was exhibited by some submaxillary glycoproteins in which this structure was absent or not prominent.
www.sabirzianova.lib.bioinfo.pl /meid:76014   (1153 words)

  
 Orr,MB
A storage disease characterised by widespread vacuolation of cells throughout the body was diagnosed in a newborn calf of the Salers breed.
Extraction and analyses of water soluble material showed that the storage material was oligosaccharide in nature and was probably derived from the core region of the heterosaccharide moiety of glycoproteins.
Glycosidase analyses showed that the disease was due to a deficiency of acidic beta-mannosidase.
lib.bioinfo.pl /auth:Orr,MB   (922 words)

  
 INTRODUCTION
The Archaea possess no common cell wall polymer and all Archaea lack murein (Kandler and König, 1993).
The cell walls of Gram-positive Archaea consist of pseudomurein (König et al., 1982), methanochondroitin, heterosaccharide or a glutaminylglycan.
The Gram-negative Archaea possess surface layers of protein or glycoprotein subunits forming two-dimensional crystalline arrays which are directly located on the outside of the plasma membrane.
ethesis.helsinki.fi /julkaisut/maa/skemi/vk/jurgens/1_intro.html   (12276 words)

  
 Mushrooms’ anti-cancer effects -DAWN Science; February 25, 2006
Levels of medicinal activity have been related to their molecular weight, degree of branching and solubility in water.
While water-soluble ß-D-glucans with heterosaccharide chains of xylose, mannose, Galactose and other species can contain polysaccharide-peptides (variously known in the literature as glycoproteins, proteoglycans or polysaccharopeptides), which are polypeptide chains to which ß-D-glucans are attached.
Several of these polysaccharide-related compounds are now produced commercially for therapeutic applications.
www.dawn.com /weekly/science/archive/060225/science3.htm   (1699 words)

  
 anemia - Vegetarian Forum - Hip Forums
But when i looked it up, i found that it's made from plant materials ("Pectin is a heterosaccharide derived from the cell wall of plants.")
I'm just curious because i've never heard of it before.
I know it's already been said like thrice, but just eat leafy green vegetables.
www.hipforums.com /forums/showthread.php?t=132663   (882 words)

  
 esp@cenet description view
Each of the transferrin molecules consists of a single polypeptide chain, of molecular weight in the range 76.000-81.000, which contains two similar but not identical iron binding sites.
Human serum transferrin contains about 5% carbohydrate, linked to the protein in two identical and nearly symmetrical branched heterosaccharide chains.
It has a molecular weight of about 80,000.
v3.espacenet.com /textdes?DB=EPODOC&IDX=EP0754459&QPN=EP0754459   (7116 words)

  
 IngentaConnect beta -Mannosidosis in a Salers calf: a new storage disease of cat...   (Site not responding. Last check: 2007-10-14)
A storage disease characterised by widespread vacuolation of cells throughout the body was diagnosed in a newborn calf of the Salers breed.
Extraction and analyses of water soluble material showed that the storage material was oligosaccharide in nature and was probably derived from the core region of the heterosaccharide moiety of glycoproteins.
Glycosidase analyses showed that the disease was due to a deficiencv of acidic
api.ingentaconnect.com /content/nzva/nzvj/1990/00000038/00000003/art00004   (168 words)

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