Enzyme engineering for biocatalysis
Molecular Catalysis,
Год журнала:
2024,
Номер
555, С. 113874 - 113874
Опубликована: Янв. 31, 2024
Contemporary
Biocatalysis
heavily
relies
on
enzyme
engineering
as
natural
enzymes
frequently
lack
the
requisite
attributes
for
effective
organic
synthesis.
The
inherent
limitations
in
stability,
catalytic
activity,
and
selectivity
of
wild-type
often
hinder
their
suitability
chemical
Over
past
25
years,
there
has
been
an
unprecedented
advancement
protein
tools,
empowering
enzymologists
to
customise
precisely
meet
demands
In
this
discussion,
we
delineate
some
most
crucial
techniques
significance
facilitating
Язык: Английский
Ground-state flavin-dependent enzymes catalyzed enantioselective radical trifluoromethylation
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 31, 2025
Язык: Английский
Decarboxylation in Natural Products Biosynthesis
JACS Au,
Год журнала:
2024,
Номер
4(8), С. 2715 - 2745
Опубликована: Июль 25, 2024
Decarboxylation
reactions
are
frequently
found
in
the
biosynthesis
of
primary
and
secondary
metabolites.
Decarboxylase
enzymes
responsible
for
these
transformations
operate
via
diverse
mechanisms
act
on
a
large
variety
substrates,
making
them
appealing
terms
biotechnological
applications.
This
Perspective
focuses
occurrence
decarboxylation
natural
product
provides
perspective
their
applications
biocatalysis
fine
chemicals
pharmaceuticals.
Язык: Английский
Reversing the Enantioselectivity of Enzymatic Dynamic Kinetic Asymmetric Transformations in the Synthesis of Fused Lactones
ACS Catalysis,
Год журнала:
2024,
Номер
unknown, С. 17480 - 17488
Опубликована: Ноя. 12, 2024
The
rational
design
of
one
ketoreductase
into
stereocomplementary
variants
for
controlling
the
stereoselectivity
bulky
chiral
molecules
bearing
contiguous
stereocenters
is
highly
desirable
and
challenging.
Herein,
we
report
protein
engineering
from
Chryseobacterium
sp.
CA49
(ChKRED20)
through
targeted
mutagenesis
only
two
key
residues
(Y188
H145)
located
in
enzyme
pocket,
achieving
precise
stereocontrol
over
synthesis
tricyclic
fused
lactones
(highest
reversing
enantioselectivity
>99:1
e.r.
to
<1:99
e.r.).
Notably,
both
kinetic
resolution
asymmetric
reduction
(KR-AR)
dynamic
transformation
(DyKAT)
were
observed
this
system.
In
KR-AR
process,
ChKRED20
exclusively
convert
(R)-
or
(S)-keto
esters
corresponding
enantio-
diastereoenriched
(R,S)-
(S,R)-cis-lactones
deliver
leftover
(S)-
(R)-keto
esters.
On
contrary,
DyKAT
unreactive
configurations
substrates
undergo
efficient
equilibration
via
an
enolization
protonation–deprotonation
enzymes.
Computational
studies
are
also
conducted
get
insight
origin
enantioselectivity.
Язык: Английский
A chimeric peptide promotes immune surveillance of senescent cells in injury, fibrosis, tumorigenesis and aging
Xinliang Ming,
Ze Yang,
Yuqiao Huang
и другие.
Nature Aging,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 2, 2024
Язык: Английский
Graphical Abstract: Angew. Chem. Int. Ed. 10/2024
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(10)
Опубликована: Фев. 25, 2024
In
their
Research
Article
(e202314112),
Andreas
Dreuw
Язык: Английский
Catalytic Promiscuity of Fatty Acid Photodecarboxylase Enables Stereoselective Synthesis of Chiral α‐Tetralones
Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 14, 2024
Abstract
In
the
field
of
biocatalysis,
discovering
novel
reactivity
from
known
enzymes
has
been
a
longstanding
challenge.
Fatty
acid
photo‐decarboxylase
Chlorella
variabilis
(
Cv
FAP)
drawn
considerable
attention
as
promising
photoenzyme
with
potential
green
chemistry
applications;
however,
its
non‐natural
rarely
exploited
to
date.
Herein
we
report
reductive
dehalogenation
(deacetoxylation)
FAP
inspired
by
natural
oxidative
decarboxylation
process,
enabling
stereoselective
synthesis
series
chiral
α‐substituted
tetralones
high
yields
(up
99
%)
and
e.r.
values
:
1).
Mechanistic
studies
demonstrated
that
native
catalyzed
via
mechanism
involving
oxidized
state
(FAD
ox
)/semiquinone
sq
)
redox
pair
an
electron
transfer
(ET)/proton
(PT)
process
radical
termination,
distinct
previous
reports.
To
our
knowledge,
this
study
represents
new
example
promiscuity,
thus
expands
repertoire
highlights
versatility
in
asymmetric
synthesis.
Язык: Английский
Computer-Aided Flexible Loops Engineering of Glutamate Dehydrogenase for Asymmetric Synthesis of Chiral Pesticides l-phosphinothricin
Journal of Agricultural and Food Chemistry,
Год журнала:
2024,
Номер
72(44), С. 24643 - 24654
Опубликована: Окт. 22, 2024
The
access
to
the
enantiopure
noncanonical
amino
acid
l-phosphinothricin
(l-PPT)
by
applying
biocatalysts
is
highly
appealing
in
organic
chemistry.
In
this
study,
a
NADH-dependent
glutamate
dehydrogenase
from
Язык: Английский