نتایج جستجو برای: glycerophosphate
تعداد نتایج: 936 فیلتر نتایج به سال:
The lipoteichoic acid (LTA) of the Streptococcus species DSM 8747 consists of a beta-d-galactofuranosyl diacylglycerol moiety (with different acyl groups) that is linked via 6-O to a poly(glycerophosphate) backbone; about 30% of the glycerophosphate moieties carry at 2-O hydrolytically labile d-alanyl residues. As typical LTA for this array of compounds LTA 1a was synthesized. To this end, from...
Classification and analysis of ionic lipides and glycolipides are simplified greatly when the method of Dawson (1) for deacylation is followed by paper chromatographic separation of the resultant phosphate diesters and glycosides. With radioactive lipides the radiochromatographic method provides the sensitivity and accuracy essential for studies of the metabolism of these important compounds. T...
Rat liver microsomal dihydroxyacetone phosphate acyltransferase, in contrast to the glycerophosphate acyltransferase, was found to be active at low pH (5.5), stable towards heat (55 degrees C, 15 min) and trypsin (in the absence of detergents) and was not inhibited by high concentrations of N-ethyl maleimide. Dihydroxyacetone phosphate acyltransferase is only slightly and non-competitively inhi...
OBJECTIVE To identify metabolites showing changes in serum levels among Japanese male with diabetes. METHODS We performed metabolite profiling by coupling capillary electrophoresis with electrospray ionization time-of-flight mass spectrometry using fasting serum samples from Japanese male subjects with diabetes (n=17), impaired glucose tolerance (IGT; n=5) and normal glucose tolerance (NGT; n...
A particulate preparation isolated from Escherichia coli B catalyzes the acylation of 1-acyl-an-glycerol j-phosphate (I-acyl-GP) with both oleoyl-CoA and pahnitoyl-CoA. The optimum conditions were determined for the acyl-CoA: I-acyl-GP acyltransferase. The acyltransferase is specific for the I-acyl-GP and does not acylate 2-acyl-sn-glycerol 3-phosphate (2-acyl-GP) under the conditions used. The...
Glycosomes, purified from trypomastigote forms of Trypanosoma brucei, contained all the enzymes necessary to convert glucose to alpha-glycerophosphate and 3-phosphoglycerate. The multienzyme reaction which produces 2 alpha-glycerophosphate, 2 ADP, and 2 NAD+ from 1 glucose, 2 ATP, and 2 NADH was studied spectrophotometrically. Intact glycosomes, suspended with 5.6 mM alpha-glycerophosphate and ...
Phospholipids from Mycobacteria have an unusual fatty acid pattern; palmitic acid is mainly on position 2 while oleic acid is found predominantly at position 1 of glycerophospholipids (Okuyama, H., Kankura, T., and Nojima, S. (1967) J. Biochem. (Tokyo) 61, 732-737). Membrane preparations were obtained from Mycobacterium butyricum, which had acyl-CoA:glycerophosphate and acyl-CoA:monoacylglycero...
Glycerophosphate (GP)-dependent, ferricyanide-induced hydrogen peroxide production was studied in brown adipose tissue mitochondria from newborn rats. Relations between the rate of hydrogen peroxide production and total amount of hydrogen peroxide produced at different GP and ferricyanide concentrations were determined. It was found that the rate of hydrogen peroxide production increases with i...
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