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Isozymes and Heteroenzymes

Angewandte Chemie International Edition in English, 1962
Abstract“Heteroenzyme” is the term applied to proteins of different origin that differ in their physical, chemical, and biochemical properties, but have the same biological action. Enzymes that have the same origin, and consist of very similar, but distinguishable proteins have been named “isozymes” [*]; they may also be designated as “multiple forms.”
T. Wieland, G. Pfleiderer
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Isozyme Specificity to Temperature

Nature New Biology, 1972
TEMPERATURE treatment of styles leads to self-compatibility in otherwise self-incompatible species of Oenothera2,3, Lilium4 and Trifolium5,6. I have studied the temperature treatment of esterase in styles of several species and hybrids of Lilium by using gel electrophoresis.
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Isozymes of Salivary Amylase

Nature, 1964
IT has previously been observed that crystalline salivary amylase gives two peaks in free electrophoresis1. The work recorded here shows that a sample of salivary amylase crystallized three times, which gave a single peak in the ultracentrifuge (Fig. 1), could be separated into four bands by disk electrophoresis on polyacrylamide gel2 (Fig. 2).
Jean M. Vnenchak, Jytte Muus
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Effects of salinity changes on the growth of Dunaliella salina and its isozyme activities of glycerol-3-phosphate dehydrogenase.

Journal of Agricultural and Food Chemistry, 2009
Dunaliella salina could survive in media containing a wide range of NaCl concentrations ranging from about 0.05 M to saturation (around 5.5 M). Glycerol is an important osmolyte when Dunaliella survive in various salt environments, and G3pdh is a key ...
Hui Chen, Jian-Guo Jiang, Guanghong Wu
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Isozymes And Cancer

1973
Publisher Summary This chapter focuses on the concept of isozymes. In 1964, a subcommittee of the International Union of Biochemistry recommended that multiple enzyme forms in a single species, catalyzing essentially the same reaction but differing in various ways should be called “isozymes,” or “isoenzymes.” Nevertheless this definition was too ...
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Lactate dehydrogenase isozyme patterns of fish.

The Journal of experimental zoology, 1965
Representatives of 30 species of fish were examined for their content of LDH isozymes. One major isozyme system was found in all fish. In addition, two minor systems restricted to eyes and to gonads were found in many fish.
Clement L. Markert, Ilse Faulhaber
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Hypothyroidism and Isozyme Elevations

Archives of Internal Medicine, 1984
To the Editor. —In the JanuaryArchives, Klein and Levey 1 discussed unusual manifestations of hypothyroidism. In their discussion of musculoskeletal features, elevations of the levels of creatine kinase (CK) and lactate dehydrogenase (LDH) were mentioned as being observed in up to 80% of the patients with hypothyroidism.
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Bovine pyruvate kinase isozymes and hybrid isozymes

Archives of Biochemistry and Biophysics, 1976
Abstract Electrophoresis of various bovine tissue extracts revealed, in addition to the three major homotetrameric isozymes of pyruvate kinase (K 4 , L 4 , and M 4 ), numerous intermediate bands that behave electrophoretically as hybrid isozymes. Kidney, for example, contains both K-L and K-M hybrid sets.
Janet M. Cardenas   +2 more
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Isozymes in seagrasses

Aquatic Botany, 1982
Abstract Isozymes have been compared in leaves grown under controlled conditions for 31 species in the 12 seagrass genera. In isozyme patterns the three genera Zostera, Phyllospadix an and Heterozostera , of subfamily Zosteroideae of Potamogetonaceae, showe greater overall similarity to each other than to members of subfamilies Posidonioideae and ...
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Isozymes of AMP Deaminase

1977
AMP deaminase (AMP aminohydrolase EC, 3.5.4.6) catalyzes deamination of AMP to form IMP and ammonia. Although the physiological role of this enzyme remains obscure, it may be important to stabilize the adenylate charge (1), in the conversion of adenine nucleotide to inosine or guanine nucleotide (2–5) and furthermore as a key enzyme in the purine ...
Tomomasa Watanabe   +2 more
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