Results 251 to 260 of about 23,342 (303)

A stereospecific solid-phase screening assay for colonies expressing both ( R )- and ( S )-selective ω-aminotransferases

Philosophical Transactions Series A, Mathematical, Physical, and Engineering Sciences, 2016
A novel solid-phase screening assay was developed for colonies expressing both (R)- and (S)-selective ω-aminotransferases. This high-throughput assay can be used to screen rapidly large variant libraries with enhanced substrate selectivity and ...
James L Galman, Iustina Slabu, Nicholas J Turner   +2 more
exaly   +3 more sources

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Measurement of Aminotransferases: Part 1. Aspartate Aminotransferase

CRC Critical Reviews in Clinical Laboratory Sciences, 1984
Aminotransferases are ubiquitous enzymes of mammalian cells and several are of important diagnostic use. The application of aspartate aminotransferase activity measurements in serum from individuals suffering from myocardial infarction brought about a new dimension in clinical laboratory testing in the 1950s.
Robert Rej, Leslie M. Shaw
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Aminotransferases in Grapes. Isolation and Characterization of Aspartate Aminotransferase

American Journal of Enology and Viticulture, 1991
International ...
Sauvage, F.X., Romieu, C.G., Flanzy, C., Robin, J.P.   +3 more
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Identity of Kynurenine: Pyruvate Aminotransferase with Histidine:Pyruvate Aminotransferase

Hoppe-Seyler´s Zeitschrift für physiologische Chemie, 1976
Kynurenine pyruvate aminotransferase was purified from rat kidney. The purified enzyme had an isoelectric point of pH 5.2 and a pH optimum of 9.3. The enzyme was active with pyruvate as amino acceptor but not with 2-oxoglutarate, and utilized various aromatic amino acids as amino donors.
T, Noguchi, R, Kido
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Characterization of Arabidopsis serine:glyoxylate aminotransferase, AGT1, as an asparagine aminotransferase

Phytochemistry, 2013
Asparagine (Asn) is a major form of nitrogen transported to sink tissues. Results from a previous study have shown that an Arabidopsis mutant lacking asparaginase activity develops relatively normally, highlighting a possible compensation by other types of asparagine metabolic enzymes.
Qianyi, Zhang, Jamie, Lee, Sudhakar, Pandurangan, Matthew, Clarke, Agnieszka, Pajak, Frédéric, Marsolais   +5 more
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Aminotransferases in Disease

Clinics in Laboratory Medicine, 1989
Aspartate and alanine aminotransferases are two of the enzymes most frequently measured by the clinical laboratory. They are most commonly used in the differential diagnosis of various liver diseases where the ratio of the two enzymes provides additional clinical insight.
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Effect of quinolinate on aminotransferases

Archives of Biochemistry and Biophysics, 1976
Abstract Quinolinate inhibits several aminotransferases (ornithine, alanine, and aspartate). However, it is considerably more potent as an inhibitor of liver and heart cytoplasmic aspartate aminotransferase. It is a much less potent inhibitor of mitochondrial aspartate aminotransferases.
S L, Hsu, L A, Fahien
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Macromolecular aspartate aminotransferase

European Journal of Gastroenterology & Hepatology, 1998
Macroenzymes are serum enzymes that have a greater molecular mass than the corresponding enzyme normally found in serum (Klonoff. West J Med 1980; 133: 392-407). Serum AST (aspartate aminotransferase) has rarely been reported to complex with immunoglobulins, resulting in an elevation in serum AST activity.
J, Tharakan, A, Hossenbocus, M J, Arthur
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Aminotransferase Activity in Brain

1975
Publisher Summary This chapter provides an overview of aminotransferase activity in brain. Transamination is the transfer of an amino group from one molecule to another without the intermediate formation of ammonia. The enzymes that catalyze such a reaction are called “transaminases” or “aminotransferases.” The aminotransferases occupy a significant ...
M, Benuck, A, Lajtha
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Ornithine aminotransferase of fishes

Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1973
Abstract 1. 1. The activity of ornithine aminotransferase was measured in liver and other tissues from a number of species of fish. 2. 2. Significant levels of the enzymes were detected in many of the species investigated. 3. 3. The fish enzyme appears to be similar to the enzyme found in higher animals. 4. 4.
M M, Wekell, G W, Brown
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