Solution structure of antifreeze glycopeptides
نویسندگان
چکیده
منابع مشابه
One-pot synthesis of cyclic antifreeze glycopeptides.
The first cyclic glycopeptides exhibiting significant antifreeze activity by forming hexagonal-bipyramidal ice crystals, denoted cyclic antifreeze glycopeptides (cyclic AFGPs), were constructed by a one-pot synthesis based on the controlled cyclization reaction of pre-formed small linear glycopeptides.
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The solution structure of a synthetic mutant type I antifreeze protein (AFP I) was determined in aqueous solution at pH 7.0 using nuclear magnetic resonance (NMR) spectroscopy. The mutations comprised the replacement of the four Thr residues by Val and the introduction of two additional Lys-Glu salt bridges. The antifreeze activity of this mutant peptide, VVVV2KE, has been previously shown to b...
متن کاملFreezing avoidance and the distribution of antifreeze glycopeptides in body fluids and tissues of Antarctic fish.
The distribution of antifreeze glycopeptides (AFGPs) in the body fluids and tissues of antarctic notothenioid fish was determined. In Dissostichus mawsoni (Norman), the peritoneal, pericardial and extradural fluid, like the blood, contained all eight AFGPs and in concentrations sufficient to depress freezing points below that of sea water (-1.9 degree C). Secreted fluids including urine, endoly...
متن کاملPurification and primary sequences of the major arginine-containing antifreeze glycopeptides from the fish Eleginus gracilis.
An Arg-containing antifreeze glycoprotein from the polar fish Eleginus gracilis was isolated, and the major components were purified to homogeneity. The general protocol for purification was chromatography of serum on DEAE-cellulose, followed by chromatography on a cation exchanger. DEAE-cellulose chromatography resulted in two fractions, A and B. Fraction A contained most of the antifreeze gly...
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ژورنال
عنوان ژورنال: FEBS Letters
سال: 1985
ISSN: 0014-5793
DOI: 10.1016/0014-5793(85)80970-4