Electronic Resource
Oxford, UK
:
Blackwell Publishing Ltd
The @journal of eukaryotic microbiology
17 (1970), S. 0
ISSN:
1550-7408
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Biology
Notes:
SYNOPSIS. Properties of partially purified malate synthase from Euglena gracilis were characterized. The pH optimum is 7.0 and the temperature optimum about 30 C; the activation energy is 12,000 calories. A Km of 4 × 10−5 M was found for both reactants, glyoxylate and acetyl-CoA. The reaction is partially inhibited by a number of normal metabolites, suggesting allosteric control; glycolate is severely inhibitory. The enzyme is not active in cells grown with phototrophic nutrition, but is found in all heterotrophic cells grown on a wide range of carbon sources; the specific activity is greatly dependent on carbon source. High rates of oxygen consumption are usually, but not always, correlated with high enzyme levels.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1550-7408.1970.tb02362.x
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