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Superoxide dismutase in various tissues from rabbits bearing the Vx-2 carcinoma in the maxillary sinus.
TLDR
The results suggest that the Vx-2 carcinoma has lost most of its ability to defend against oxygen toxicity and this ability decreased only in the liver of rabbits bearing the VX-1 carcinoma in the maxillary sinus. Expand
Free D-aspartic acid in rat salivary glands.
TLDR
It is demonstrated that large amounts of D-Asp are present in the exocrine tissue, salivary glands of rats, and it is suggested that D- aspartic acid may play different roles between the two glands. Expand
Ureidoglycollate lyase, a new metalloenzyme of peroxisomal urate degradation in marine fish liver.
TLDR
UGL was found to be essential in peroxisomal urate degradation, since allantoate, the intermediate of urate catabolism, was finds to be degraded to urea and glyoxylate in a two-step reaction catalysed by allantoicase, and UGL via S(-)-ureidoglycollate as an intermediate in fish liver peroxISomes, but not in a one- step reaction as previously believed. Expand
Characteristics of hepatic alanine-glyoxylate aminotransferase in different mammalian species.
TLDR
It was concluded that isoenzyme 2 is a separate enzyme from liver mitochondrial extracts of dog, cat, rat and mouse liver because of physical properties and substrate specificity. Expand
Subcellular distribution of pyruvate (glyoxylate) aminotransferases in rat liver.
TLDR
The distribution of pyruvate (glyoxylate) aminotransferases in the particulate fraction of rat liver homogenates was examined by centrifugation in a sucrose density graident and glucagon injection resulted in increases of these enzyme activities in the mitochondria, but not in the peroxisomes. Expand
Purification and properties of peroxisomal pyruvate (glyoxylate) aminotransferase from rat liver.
TLDR
The properties and kinetic parameters of the enzyme are remarkably similar to those previously described for mitochondrial alanine-glyoxylate aminotransferase isoenzyme 1 from glucagon-injected rat liver. Expand
Evolution of urate-degrading enzymes in animal peroxisomes
TLDR
It is suggested that amphibian urate oxidase is a transition form in the evolution of aquatic animals to land animals, and changes of allantoinase and allantoicase in molecular structure and intracellular localization during animal evolution may be as follows. Expand
Degradation of purines: only ureidoglycollate lyase out of four allantoin-degrading enzymes is present in mammals.
TLDR
Ureidoglycollate lyase was purified to homogeneity and characterized from rat-liver mitochondria and differed from the fish- liver enzyme in enzymic, physical and immunological properties. Expand
Identification of mammalian aminotransferases utilizing glyoxylate or pyruvate as amino acceptor. Peroxisomal and mitochondrial asparagine aminotransferase.
TLDR
The subcellular distribution of asparagine:oxo-acid aminotransferase in rat liver was examined by centrifugation in a sucrose density gradient and immunological evidence was obtained that the enzyme was identical with alanine:glyoxylate aminotsferase 1. Expand
Peroxisomal localization and properties of tryptophan aminotransferase in plant leaves.
TLDR
The evidence indicates that the two activities are associated with the same protein, and the peroxisomal and soluble enzyme preparations had nearly identical properties, suggesting that the soluble enzyme is from brokenPeroxisomes. Expand
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