- In biochemistry, a
zymogen (/ˈzaɪmədʒən, -moʊ-/), also
called a
proenzyme (/ˌproʊˈɛnzaɪm/), is an
inactive precursor of an enzyme. A
zymogen requires...
- and
tryptophan increase the
probability of cleavage. Pepsin's
zymogen (
proenzyme), pepsinogen, is
released by the
gastric chief cells in the
stomach wall...
-
inactivated pepsinogen. Once in the
stomach lumen gastric acid
activates the
proenzyme to pepsin. A
typical adult human stomach will
secrete about 1.5 liters...
-
hydrolyzes proteins.
Trypsin is
formed in the
small intestine when its
proenzyme form, the
trypsinogen produced by the pancreas, is activated. Trypsin...
-
secreted in an
inactive proenzyme form. When
these proenzymes reach the
lumen of the tract, a
factor specific to a
particular proenzyme will
activate it. A...
-
formation around the receptor-
proenzyme complex. The more
neutral pH of the
cytosol promotes binding of the
proenzyme's M6P
targeting sequences to their...
-
proenzymes) must be
activated first. This is done by
removing the
amino acid that
blocks the
entrance channel to the
active site when the
proenzyme is...
- or
proenzymes. When
released into the duodenum, they are
activated by the
enzyme enterokinase present in the
lining of the duodenum. The
proenzymes are...
- of
inactive precursor to an
enzyme is
known as a zymogen: 149–53 or
proenzyme.
Enzyme production (transcription and
translation of
enzyme genes) can...
- of the
plasma proteins (1%) are
regulatory proteins, such as enzymes,
proenzymes, and hormones. All
blood proteins are
synthesized in
liver except for...
