-
depolymerization reactions.
Epimerization can be
spontaneous (generally a slow process), or
catalysed by enzymes, e.g. the
epimerization between the
sugars N-acetylglucosamine...
- L, et al. (March 2024). "Structural and
mechanistic basis for RiPP
epimerization by a
radical SAM enzyme".
Nature Chemical Biology. 20 (3): 382–391....
- of ring
opening occurs and the
ketose is protonated. An
example of
epimerization is
found in the
Calvin cycle when D-ribulose-5-phosphate is converted...
- Hall SD (March–April 1992). "Metabolic
inversion of (R)-ibuprofen.
Epimerization and
hydrolysis of ibuprofenyl-coenzyme A". Drug
Metabolism and Disposition...
- into 3-ketoses, etcetera. The
enediol is also an
intermediate for the
epimerization of an
aldose or ketose. The
reactions are
usually base catalyzed, but...
-
neosamine C (D-niosamine) in
neamine biosynthesis, but with an
additional epimerization step
required to
account for the
presence of the
epimeric neosamine...
- (S,R) is soluble. The
precipitation of the (R,R)
product drives the
epimerization equilibrium reaction to form this as the
major product.
There are other...
-
condensing into the tripeptide, the
amino acid L-valine must
undergo epimerization to
become D-valine. The
condensed tripeptide is named...
-
presence of an
acidic center between two
carbonyl groups allows for easy
epimerization at the
chiral center under basic conditions. To
select for one of the...
-
Since the
threo isomers are
energetically favored, it is easy to
epimerize out any of the
undesired erythro isomers. The drug that
contains only...
