Bioresources and Bioprocessing,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: Feb. 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,
Journal Year:
2024,
Volume and Issue:
124(14), P. 8740 - 8786
Published: July 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,
Journal Year:
2024,
Volume and Issue:
124(11), P. 7465 - 7530
Published: May 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.
Journal of the American Chemical Society,
Journal Year:
2022,
Volume and Issue:
144(12), P. 5214 - 5225
Published: March 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,
Journal Year:
2022,
Volume and Issue:
61(30)
Published: May 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
JACS Au,
Journal Year:
2024,
Volume and Issue:
4(6), P. 2068 - 2080
Published: May 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.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(22)
Published: March 28, 2024
Abstract
Secondary
amines,
due
to
their
reactivity,
can
transform
protein
templates
into
catalytically
active
entities,
accelerating
the
development
of
artificial
enzymes.
However,
existing
methods,
predominantly
reliant
on
modified
ligands
or
N‐terminal
prolines,
impose
significant
limitations
template
selection.
In
this
study,
genetic
code
expansion
was
used
break
boundary,
enabling
secondary
amines
be
incorporated
alternative
proteins
and
positions
choice.
Pyrrolysine
analogues
carrying
different
could
superfolder
green
fluorescent
(sfGFP),
multidrug‐binding
LmrR
nucleotide‐binding
dihydrofolate
reductase
(DHFR).
Notably,
analogue
containing
a
D‐proline
moiety
demonstrated
both
proteolytic
stability
catalytic
activity,
conferring
DHFR
with
desired
transfer
hydrogenation
activity.
While
variants
were
confined
biomimetic
1‐benzyl‐1,4‐dihydronicotinamide
(BNAH)
as
hydride
source,
optimal
variant
favorably
pro‐
R
from
NADPH
for
stereoselective
reactions
(
e.r
.
up
92
:
8),
highlighting
that
switch
broaden
nucleophile
option
catalysis.
Owing
cofactor
compatibility,
DHFR‐based
amine
catalysis
integrated
an
enzymatic
recycling
scheme.
This
established
method
shows
substantial
potential
in
enzyme
design,
applicable
studies
evolution
new
biocatalysts.
ACS Catalysis,
Journal Year:
2022,
Volume and Issue:
12(17), P. 10742 - 10763
Published: Aug. 17, 2022
The
Friedel–Crafts
(F–C)
reaction
has
been
a
fundamental
pillar
of
both
academic
and
industrial
synthetic
organic
chemistry
since
its
discovery
in
1873.
Its
success
is
based
on
the
versatility
applicability
F–C
reactions
for
wide
range
substrates,
there
have
an
impressive
number
publications
patents
describing
catalytic
methods.
asymmetric
version
was
discovered
about
100
years
after
seminal
work
by
Friedel
Crafts
become
major
area
research.
While
chemical
methods
with
much-improved
efficacies
scopes
discovered,
still
suffer
from
limitations.
Biocatalysis
potential
to
be
best
solution
this
challenge
because
excellent
selectivity
(enantio-,
chemo-,
regioselectivity)
displayed
enzymes.
In
last
two
decades,
advancements
molecular
biology
techniques,
bioinformatics,
high-throughput
screening,
directed
evolution,
process
scale-up
led
biocatalysis
becoming
mature
field.
It
therefore
not
surprising
that
researchers
around
globe
developed
several
biocatalysts
reactions.
Herein,
we
review
recent
developments
design
use
stereoselective
strategies
performing