biochem exam 2- amino acid catabolism Flashcards
transamination
transfer of an amino group from one carbon skeleton to another
Transamination: transfer of an alpha amino group from an amino acid to an alpha- ________.
ketoglutarate
transamination results in an ______ and ________.
glutamate and alpha keto acid
glutamate now holds the ________ from the amino acid’s amino group in result of an glutamate and an alpha-keto acid
ammonia
amino acid catabolism is catalyzed by ___________.
aminotransferases
in amino acid catabolism, all AAs participate except lysine and _____. they go straight to deamination.
threonine
two reactions in amino acid catabolism
transamination and deamination
what is the definition of deamination
liberation of amino group as free ammonia
in deamination, glutamate and ____ to alpha-ketoglutarate and NADH catalyzed by ________.
NAD+, glutamate dehydrogenase
In deamination: ammonia transported to the_____.
liver