- This
group of
pentacyclic molecules therefore refers to
simple hopenes,
hopanols and hopanes, but also to
extensively functionalized derivatives such as...
- Squalene—
hopanol cyclase (EC 4.2.1.129, squalene—hopene cyclase) is an
enzyme with
systematic name hopan-22-ol hydro-lyase. This
enzyme catalyses the...
- a]chrysen-3-yl]propan-2-ol
Other names hopan-22-ol 22-hydroxyhopane 22-
hopanol Identifiers CAS
Number 1721-59-1 Y 3D
model (JSmol)
Interactive image ChemSpider...
- Importantly,
isoarborinol may
represent the
phylogenetic link
between hopanols and sterols.
Isoarborinol is a
pentacyclic triterpenoid, a
class of 30-carbon...
-
interconversion of
squalene into a
pentacyclic triterpenes,
hopene and
hopanol. This
enzyme catalyses the
following chemical reactions.
squalene ⇌ {\displaystyle...
-
living in
seawater lie
between −50 and −170‰, and that of
sterols and
hopanols range between −150 and −270‰. The H
isotopic composition of photoautotrophs...
- of
molecules found in both
bacteria and eukaryotes,
which largely make
hopanols and sterols, respectively. The
structures of
these three classes of molecules...
-
dehydratase EC 4.2.1.128: lupan-3β,20-diol
synthase EC 4.2.1.129: squalene—
hopanol cyclase EC 4.2.1.130: D-lactate
dehydratase EC 4.2.1.131:
carotenoid 1...
