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Studies pertaining to the purification and properties of thymine 7-hydroxylase.
Abstract 1. 1. It has been shown that the thymine 7-hydroxylase activity of cell-free extracts prepared from cultures of Neurospora crassa, grown under forced aeration in liquid media, is usuallyExpand
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The cell-free conversion of a deoxyribonucleoside to a ribonucleoside without detachment of the deoxyribose.
Abstract A cell-free preparation has been obtained from Neurospora crassa which catalyzes the conversion of thymidine to thymine riboside. This oxidation occurs at the deoxyribonucleoside level andExpand
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The enzymatic conversion of uracil 5-carboxylic acid to uracil and carbon dioxide.
Abstract The enzymatic decarboxylation of uracil 5-carboxylic acid has been demonstrated. A partially purified enzyme preparation has been obtained from Neurospora crassa which stoichiometricallyExpand
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Substrate specificity of the hydroxylase reaction in which thymidine is converted to thymine ribonucleoside.
Abstract 1. 1.|A partially purified enzyme preparation from Neurospora crassa, which had previously been reported to convert thymidine to thymine ribonucleoside, catalyzes the conversion ofExpand
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The formation of 5-formyluracil by cell-free preparations from Neurospora crassa.
Abstract 1. A cell-free preparation has been obtained from Neurospora crassa which catalyzes the conversion of 5-hydroxymethyluracil to 5-formyluracil. 2. This enzymatic activity was markedlyExpand
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The enzymatic conversion of 5-formyluracil to uracil 5-carboxylic acid.
Abstract The enzymatic conversion of 5-formyluracil to uracil 5-carboxylic acid has been shown with a cell-free system prepared from Neurospora crassa. This reaction was stimulated by Fe2+,Expand
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Polypeptide chain initiation and stepwise elongation with Artemia ribosomes and factors.
The supernatant initiation factor from Artemia salina embryos promotes, besides the AUG-dependent binding of fMet-tRNA(f), the poly(U)-dependent binding of N-acetylPhe-tRNA to 40S ribosomal subunits;Expand
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Lipase-triggered kinetic assay of serum triglycerides.
We describe a kinetic method for assay of serum or plasma triglycerides, by use of an enzymatic hydrolysis and reaction sequence already described [Clin. Chem. 19, 476 (1973)]. The reaction isExpand
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p-Nitrophenylglycosides as substrates for measurement of amylase in serum and urine.
Pantrak E.K. (endpoint and kinetic) Amylase reagent (Calbiochem-Behring) is the first commercially available alpha-amylase reagent in which p-nitrophenyl-d-glycosides are used as the substrate. WeExpand
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