The degree of acetylation (DA) of ACHA was defined as the number of the acetyl group
linked to -OH per sugar residue of CS.
These data were almost identical to that of torachrysone 8-O-[beta]-D-glucopyranoside (2) except for the replacement of the acetyl group
by a carboxylic group ([[delta].sub.C] 171.0) at C-2 [7, 8].
The hemicelluloses content was obtained by summing xylans, galactans, arabinans, and mannans, plus the equivalent of mannans, as glucans, uronic acids, and acetyl groups
(1988) using acetic anhydride as an acetyl group
bonded to two oxygen atoms of hydroxyl group by covalent and two oxygen atoms of the acetyl group
by coordinate covalent bonds to form distorted square planner geometry.
As shown in Table 3, the acetyl group
in xanthan molecules has no effect on xanthan lyase activity.
are some of the well known examples of enzymatic protein acetylation involving Acetyl Co A as the acetyl group
The origin of this difference found in inhibitory activity was unclear, but may have been due to the presence of an acetyl group
on ATS which was absent in QTS.
CONSTANTIN, D, CARLIN, J.I, CEDERBLAD G, HARRIS, R.C, HULTMAN, E, 1991, Acetyl Group
Accumulation and Pyruvate Dehydrogenase Activity in Human Muscle During Incremental Execise, Acta Physiol Scand 143: 367-372
Acetylation also reduced the Tg of nAYBS and the Tg diminished further as the percentage acetyl group
In one of the new studies, Sassone-Corsi's group shows that SIRT1 acts as tick to CLOCK's tock, removing an acetyl group
from histones and also from CLOCK's partner BMAL1.
The recent observation showing acetylation of proteins by calreticulin (an endoplasmic reticulum resident protein) with a high efficiency when polyphenolic acetates are the acetyl group
donating molecules and acetyl CoA as weak substrate extends the realm of protein acetylation beyond HAT/HDAC combination.