Further studies on the subunit structure of human serum low density lipoproteins.
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Amino Acids↗
Biomedical subjects
F Aladjem
Publications and source records attributed to F Aladjem.
The monosaccharide composition and sequence of the carbohydrate moiety of human serum low density lipoproteins.
Human serum low density lipoprotein (d = 1.027-1.045) was delipidated with organic solvents and the apoprotein digested with thermolysin. The digest was fractionated by gel filtration and DEAE-cellulose chromatography. Two glycopeptides were obtained. One of the glycopeptides (GP-I) contained 2 residues of N-acetylglucosamine and 6 residues of mannose per mole of the glycopeptide, while the other contained 2 sialic acid, 5 mannose, 2 galactose, and 3 N-acetylglucosamine residues per mole of glycopeptide. The results of sequential enzymatic digestion with purified glycosidases, periodate oxidation, and partial acid hydrolysis lead us to propose the following sturctures for the two glycopeptides: (see article). These glycopeptides represent at least 50% of the carbohydrate moiety of LDL.
Acetylglucosamine↗
Use of capillary columns for the analysis of monosaccharides by gas-liquid chromatography.
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Chromatography, Gas↗
Hapten-antibody interactions as determined by fluorescence polarization.
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Antibody Specificity↗
Hapten-antibody interactions as determined by fluorescence polarization--an appendix.
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Antibody Specificity↗
The heterogeneity of antibodies with respect to equilibrium constants. Calculation by a new method using delta functions and analysis of the results.
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Antibody Specificity↗
Changes in the apoprotein composition of very low density lipoproteins in man following eating.
The concentrations of certain of the very low density human serum lipoprotein apoproteins were found to increase following a meal, while the concentrations of the majority of the apoproteins were found to be unaffected.
Apoproteins↗