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deaminase

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deaminase /de·am·i·nase/ (de-am´ĭ-nās) an enzyme causing deamination, or removal of the amino group from organic compounds, usually cyclic amidines.
de·am·i·nase (d-m-ns)
n.
Any of a class of enzymes that catalyze the hydrolysis of compounds containing an amino group. Also called deaminating enzyme.

deaminase
[dē·am′inās]
Etymology: L, de, away, amine, ammonia; Fr, diastase, enzyme
one of the subclasses of enzymes that catalyze the hydrolysis of the NH2 bond in amino compounds. The enzymes are usually named according to the substrate, such as adenosine deaminase, guanine deaminase, or guanosine deaminase. Also called aminohydrolase.

deaminase
an enzyme causing deamination, or removal of an amino group from organic compounds, named according to its substrate as adenosine deaminase, cytidine deaminase, guanine deaminase, etc.


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These include aminolevulinate (ALA) dehydratase, porphobilinogen deaminase (hydroxymethylbilane synthase), and uroporphyrinogen decarboxylase in spleen and ALA synthase in liver.
In addition, new programs in protein engineering (37) of subtilisin BPN' (3,38-50) and hemoglobin (7,51-56) were carried out as well as detailed structural investigations of a number of enzymes that included ribonuclease (57-64), several glutathione S-transferases (6,65-82), uracil DNA glycosylase (8,83-84), threonine deaminase (85-86), and nucleoside diphosphosphate transferase (87-88).
In triple sugar iron agar, it was negative for citrate, phenylalanine deaminase, and indol production.
 
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