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Showing 13 to 24 of 516 entries
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Synthesis of Tethered Trisaccharides To Probe Inter-Saccharide Flexibility in Carbohydrate-Protein Interactions.

The Journal of organic chemistry

Alibés R, Bundle DR.
PMID: 11672262
J Org Chem. 1998 Sep 04;63(18):6288-6301. doi: 10.1021/jo9806097.

Two crystal structures of the trisaccharide epitope alpha-D-Galp(1-->2)[alpha-D-Abep(1-->3)alpha-D-Manp1-->OCH(3) 1 bound to antibody Fab and single-chain Fv fragments have been used to guide the design of an intramolecular tether that constrains the trisaccharide ligand to conformations close to those of...

Stereospecific synthesis of 1,2-cis glycosides by vinyl-mediated IAD.

Organic letters

Chayajarus K, Chambers DJ, Chughtai MJ, Fairbanks AJ.
PMID: 15469352
Org Lett. 2004 Oct 14;6(21):3797-800. doi: 10.1021/ol048427o.

[reaction: see text] Stereospecific 1,2-cis glycosylation of 2-O-vinyl thioglycosides, synthesized from the corresponding alcohols by Ir-catalyzed transvinylation with vinyl acetate, is achieved by iodine-mediated tethering of a range of primary and secondary carbohydrate acceptors, followed by intramolecular aglycon delivery...

Properties of Lectins in the Root and Seed of Lotononis bainesii.

Plant physiology

Law IJ, Strijdom BW.
PMID: 16663508
Plant Physiol. 1984 Apr;74(4):773-8. doi: 10.1104/pp.74.4.773.

A lectin was purified from the root of Lotononis bainesii Baker by affinity chromatography on Sepharose-blood group substance A + H. The molecular weight of the lectin was estimated by gel filtration to be 118,000. Sodium dodecyl sulfate-polyacrylamide gel...

Host-Pathogen Interactions: XVI. PURIFICATION AND CHARACTERIZATION OF A beta-GLUCOSYL HYDROLASE/TRANSFERASE PRESENT IN THE WALLS OF SOYBEAN CELLS.

Plant physiology

Cline K, Albersheim P.
PMID: 16661872
Plant Physiol. 1981 Jul;68(1):207-20. doi: 10.1104/pp.68.1.207.

The fact that fungal glucans will stimulate soybeans to accumulate phytoalexins prompted an investigation of soybean cell beta-1,3-glucanases and beta-glucosidases, as well as the ability of these enzymes to hydrolyze the fungal glucans. Several beta-1,3-glucanases and beta-glucosidases can be...

Catabolism of Cyanogenic Glycosides by Purified Vicianin Hydrolase from Squirrel's Foot Fern (Davallia Trichomanoides Blume).

Plant physiology

Lizotte PA, Poulton JE.
PMID: 16665903
Plant Physiol. 1988 Feb;86(2):322-4. doi: 10.1104/pp.86.2.322.

Vicianin hydrolase, which catalyzes the hydrolysis of vicianin (K(m), 4.9 millimolar) to (R)-mandelonitrile and vicianose at an optimum pH of 5.5, was extensively purified from the young fronds and fiddleheads of the squirrel's foot fern (Davallia trichomanoides Blume) using...

Substrate Utilization by Suspension Cultures and Somatic Embryos of Daucus carota L. Measured by C NMR.

Plant physiology

Dijkema C, de Vries SC, Booij H, Schaafsma TJ, van Kammen A.
PMID: 16666463
Plant Physiol. 1988 Dec;88(4):1332-7. doi: 10.1104/pp.88.4.1332.

The uptake and utilization of sucrose by embryogenic suspension cultures of carrot (Daucus carota L.) growing in the presence of 2,4-D and by somatic embryos derived from these cultures was monitored using (13)C nuclear magnetic resonance. The exogeneously supplied...

Isolation and characterization of heat-modifiable proteins from the outer membrane of Porphyromonas asaccharolytica and Acinetobacter baumannii.

Anaerobe

Nitzan Y, Pechatnikov I, Bar-El D, Wexler H.
PMID: 16887661
Anaerobe. 1999 Feb;5(1):43-50. doi: 10.1006/anae.1998.0181.

Active porins were isolated and purified from the outer membranes of the gram-negative anaerobic rod Porphyromonas asaccharolytica and the aerobic coccobacillus Acinetobacter baumannii. The porins from both bacteria appear to be monomers when isolated and purified. Both porins exhibited...

On the Application of Barfoed's Reagent to show the Hydrolysis of Disaccharides by Enzymes.

The Biochemical journal

Roaf HE.
PMID: 16742084
Biochem J. 1908;3(4):182-4. doi: 10.1042/bj0030182.

No abstract available.

Inducing single-cell suspension of BTI-TN5B1-4 insect cells: I. The use of sulfated polyanions to prevent cell aggregation and enhance recombinant protein production.

Biotechnology and bioengineering

Dee KU, Shuler ML, Wood HA.
PMID: 18634086
Biotechnol Bioeng. 1997 May 05;54(3):191-205. doi: 10.1002/(SICI)1097-0290(19970505)54:3<191::AID-BIT1>3.0.CO;2-A.

Sulfated polyanions have been successfully used to rapidly obtain and maintain stable single-cell suspension of BTI-TN5B1-4 cells, a cell line which has a high intrinsic capacity for recombinant protein production but clumps severely in suspension reducing its effectiveness as...

Cloning and transcription analysis of the Aspergillus aculeatus No. F-50 endoglucanase 2 (cmc2) gene.

Journal of bioscience and bioengineering

Takada G, Kawasaki M, Kitawaki M, Kawaguchi T, Sumitani J, Izumori K, Arai M.
PMID: 16233338
J Biosci Bioeng. 2002;94(5):482-5. doi: 10.1016/s1389-1723(02)80229-8.

The cmc2 gene, coding for an endoglucanase 2 (CMC2) of Aspergillus aculeatus, was cloned using both genomic and cDNA libraries, and sequenced. The gene consists of 1230 bp encoding a protein of 410 amino acid residues with a molecular...

The release of fermentable carbohydrate from peat by steam explosion and its use in the microbial production of solvents.

Biotechnology and bioengineering

Forsberg CW, Schellhorn HE, Gibbins LN, Maine F, Mason E.
PMID: 18555312
Biotechnol Bioeng. 1986 Feb;28(2):176-84. doi: 10.1002/bit.260280205.

Steam treatment of peat at 200 degrees C for 3 min, followed by instantaneous decompression (steam explosion), solubilized up to 28% of the dry matter. Seventy-five percent of the solubilized material was carbohydrate, 33% of which was composed of...

High-cell-density cultivation of yeasts on disaccharides in oxygen-limited batch cultures.

Biotechnology and bioengineering

Castrillo JI, Kaliterna J, Weusthuis RA, van Dijken JP, Pronk JT.
PMID: 18626857
Biotechnol Bioeng. 1996 Mar 20;49(6):621-8. doi: 10.1002/(SICI)1097-0290(19960320)49:6<621::AID-BIT3>3.0.CO;2-Q.

Many facultatively fermentative yeast species exhibit a "Kluyver effect": even under oxygen-limited growth conditions, certain disaccharides that support aerobic, respiratory growth are not fermented, even though the component monosaccharides are good fermentation substrates. This article investigates the applicability of...

Showing 13 to 24 of 516 entries