Bioresources and Bioprocessing,
Год журнала:
2024,
Номер
11(1)
Опубликована: Фев. 29, 2024
Abstract
The
use
of
enzymes
to
catalyze
Henry
reaction
has
advantages
mild
conditions
and
low
contamination,
but
enzyme
activity
promiscuous
catalysis
limits
its
application.
Here,
rational
design
was
first
performed
identify
the
key
amino
acid
residues
in
catalyzed
by
Lactococcal
multidrug
resistance
Regulator
(LmrR).
Further,
non-canonical
acids
were
introduced
into
LmrR,
successfully
obtaining
variants
that
enhanced
catalytic
LmrR.
best
variant,
V15CNF,
showed
a
184%
increase
compared
wild
type,
1.92
times
more
effective
than
optimal
natural
V15F.
Additionally,
this
variant
had
broad
substrate
spectrum,
capable
catalyzing
reactions
between
various
aromatic
aldehydes
nitromethane,
with
product
yielded
ranging
from
55
99%.
This
study
improved
enzymatic
enhancing
affinity
substrates,
while
breaking
limited
types
introducing
enzyme,
providing
strategies
for
molecular
modifications.
Graphical
Chemical Reviews,
Год журнала:
2024,
Номер
124(14), С. 8740 - 8786
Опубликована: Июль 3, 2024
In
recent
years,
powerful
genetic
code
reprogramming
methods
have
emerged
that
allow
new
functional
components
to
be
embedded
into
proteins
as
noncanonical
amino
acid
(ncAA)
side
chains.
this
review,
we
will
illustrate
how
the
availability
of
an
expanded
set
building
blocks
has
opened
a
wealth
opportunities
in
enzymology
and
biocatalysis
research.
Genetic
provided
insights
enzyme
mechanisms
by
allowing
introduction
spectroscopic
probes
targeted
replacement
individual
atoms
or
groups.
NcAAs
also
been
used
develop
engineered
biocatalysts
with
improved
activity,
selectivity,
stability,
well
enzymes
artificial
regulatory
elements
are
responsive
external
stimuli.
Perhaps
most
ambitiously,
combination
laboratory
evolution
given
rise
classes
use
ncAAs
key
catalytic
elements.
With
framework
for
developing
ncAA-containing
now
firmly
established,
optimistic
become
progressively
more
tool
armory
designers
engineers
coming
years.
Chemical Reviews,
Год журнала:
2024,
Номер
124(11), С. 7465 - 7530
Опубликована: Май 16, 2024
Despite
their
diverse
functions,
proteins
are
inherently
constructed
from
a
limited
set
of
building
blocks.
These
compositional
constraints
pose
significant
challenges
to
protein
research
and
its
practical
applications.
Strategically
manipulating
the
cellular
synthesis
system
incorporate
novel
blocks
has
emerged
as
critical
approach
for
overcoming
these
in
application.
In
past
two
decades,
field
genetic
code
expansion
(GCE)
achieved
advancements,
enabling
integration
numerous
functionalities
into
across
variety
organisms.
This
technological
evolution
paved
way
extensive
application
multiple
domains,
including
imaging,
introduction
probes
research,
analysis
protein–protein
interactions,
spatiotemporal
control
function,
exploration
proteome
changes
induced
by
external
stimuli,
endowed
with
functions.
this
comprehensive
Review,
we
aim
provide
an
overview
biophysical
applications
that
have
employed
GCE
technology
over
decades.
JACS Au,
Год журнала:
2024,
Номер
4(6), С. 2068 - 2080
Опубликована: Май 31, 2024
Biocatalysis
is
currently
undergoing
a
profound
transformation.
The
field
moves
from
relying
on
nature's
chemical
logic
to
discipline
that
exploits
generic
activation
modes,
allowing
for
novel
biocatalytic
reactions
and,
in
many
instances,
entirely
new
chemistry.
Generic
modes
enable
wide
range
of
reaction
types
and
played
pivotal
role
advancing
the
fields
organo-
photocatalysis.
This
perspective
aims
summarize
principal
harnessed
enzymes
develop
biocatalysts.
Although
extensively
researched
past,
highlighted
when
applied
within
enzyme
active
sites,
facilitate
transformations
have
largely
eluded
efficient
selective
catalysis.
advance
attributed
multiple
tunable
interactions
substrate
binding
pocket
precisely
control
competing
pathways
transition
states.
We
will
highlight
cases
synthetic
methodologies
achieved
by
engineered
provide
insights
into
potential
future
developments
this
rapidly
evolving
field.
Journal of the American Chemical Society,
Год журнала:
2022,
Номер
144(12), С. 5214 - 5225
Опубликована: Март 15, 2022
Achieving
convergent
synthetic
strategies
has
long
been
a
gold
standard
in
constructing
complex
molecular
skeletons,
allowing
for
the
rapid
generation
of
complexity
comparatively
streamlined
routes.
Traditionally,
biocatalysis
not
played
prominent
role
laboratory
synthesis,
with
application
biocatalysts
primarily
limited
to
synthesis
chiral
fragments.
Although
use
enzymes
enable
approaches
is
relatively
new
and
emerging,
combining
efficiency
transformations
selectivity
achievable
through
creates
opportunities
efficient
strategies.
This
Perspective
provides
an
overview
recent
developments
biocatalytic
offers
insights
into
advantages
these
methods
compared
their
small
molecule-based
counterparts.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(30)
Опубликована: Май 7, 2022
Abstract
The
application
of
biocatalysis
in
conquering
challenging
synthesis
requires
the
constant
input
new
enzymes.
Developing
novel
biocatalysts
by
absorbing
catalysis
modes
from
synthetic
chemistry
has
yielded
fruitful
new‐to‐nature
Organocatalysis
was
originally
bio‐inspired
and
become
third
pillar
asymmetric
catalysis.
Transferring
organocatalytic
reactions
back
to
enzyme
platforms
is
a
promising
approach
for
biocatalyst
creation.
Herein,
we
summarize
recent
developments
design
that
adopt
iminium
catalysis,
fundamental
branch
organocatalysis.
By
repurposing
existing
enzymes
or
constructing
artificial
enzymes,
various
have
been
created
optimized
via
protein
engineering
promote
valuable
abiological
transformations.
Recent
advances
illustrate
power
combining
chemomimetic
directed
evolution
generate
useful
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 12, 2025
The
creation
of
enzymes
with
abiological
abilities
offers
exciting
opportunities
to
access
new-to-nature
biocatalysis
beyond
that
found
in
nature.
Here,
we
repurpose
a
novel
protein
scaffold,
CTB10,
as
an
artificial
photoenzyme
through
genetic
code
expansion.
It
enables
catalytic
deracemization
cyclopropane,
process
remains
inaccessible
traditional
due
its
thermodynamically
unfavorable
Following
structural
optimization
directed
evolution,
broad
substrate
scope
high
enantioselectivities
is
achieved.
Furthermore,
the
crystal
structure
CTB10-based
photoenzyme-substrate
complex
well
demonstrates
how
chiral
cavity
sculpted
promote
efficient
and
selective
light-enabled
deracemization.
Therefore,
this
study
unlocks
potential
for
achieving
challenging
biocatalysis.
Protein Engineering Design and Selection,
Год журнала:
2022,
Номер
36
Опубликована: Ноя. 10, 2022
Abstract
Enzyme
design
and
engineering
strategies
are
typically
constrained
by
the
limited
size
of
nature’s
genetic
alphabet,
comprised
only
20
canonical
amino
acids.
In
recent
years,
site-selective
incorporation
non-canonical
acids
(ncAAs)
via
an
expanded
code
has
emerged
as
a
powerful
means
inserting
new
functional
components
into
proteins,
with
hundreds
structurally
diverse
ncAAs
now
available.
Here,
we
highlight
how
emergence
repertoire
opened
avenues
in
enzyme
engineering.
have
been
used
to
probe
complex
biological
mechanisms,
augment
function
and,
most
ambitiously,
embed
catalytic
mechanisms
protein
active
sites
that
would
be
challenging
access
within
constraints
code.
We
predict
studies
reviewed
this
article,
along
further
advances
expansion
technology,
will
establish
ncAA
increasingly
important
tool
for
biocatalysis
coming
years.