FEBS Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
T7
RNA
polymerase
(RNAP),
the
preferred
tool
for
in
vitro
transcription
(IVT),
can
generate
double‐stranded
(dsRNA)
by‐products
that
elicit
immune
stress
and
pose
safety
concerns.
By
combining
molecular
beacon‐based
fluorescence‐activated
droplet
sorting
(FADS)
utilized
random
library
screening
with
site‐directed
mutagenesis
aimed
at
facilitating
conformational
changes
RNAP,
we
successfully
identified
four
mutants
exhibit
reduced
dsRNA
content:
M1
(V214A),
M7
(F162S/A247T),
M11
(K180E)
M14
(A70Q).
Furthermore,
combinatorial
mutant
M17
(A70Q/F162S/K180E)
exhibited
significantly
production
under
various
conditions.
Cellular
experiments
confirm
application
potential
of
mutants,
displaying
mitigated
responses
enhanced
protein
translation
compared
to
wild‐type
protein.
We
then
observed
a
close
correlation
between
terminal
transferase
RNA‐dependent
RNAP
(RDRP)
activities
RNAP.
The
activity
adds
several
nucleotides
terminus
RNAs,
while
RDRP
extends
complementary
region
formed
by
self‐pairing.
In
summary,
developed
novel
approach
engineering
demonstrated
its
variants
or
improved
product
integrity.
Science,
Journal Year:
2023,
Volume and Issue:
382(6673)
Published: Nov. 23, 2023
Biocatalysis
harnesses
enzymes
to
make
valuable
products.
This
green
technology
is
used
in
countless
applications
from
bench
scale
industrial
production
and
allows
practitioners
access
complex
organic
molecules,
often
with
fewer
synthetic
steps
reduced
waste.
The
last
decade
has
seen
an
explosion
the
development
of
experimental
computational
tools
tailor
enzymatic
properties,
equipping
enzyme
engineers
ability
create
biocatalysts
that
perform
reactions
not
present
nature.
By
using
(chemo)-enzymatic
synthesis
routes
or
orchestrating
intricate
cascades,
scientists
can
synthesize
elaborate
targets
ranging
DNA
pharmaceuticals
starch
made
vitro
CO2-derived
methanol.
In
addition,
new
chemistries
have
emerged
through
combination
biocatalysis
transition
metal
catalysis,
photocatalysis,
electrocatalysis.
review
highlights
recent
key
developments,
identifies
current
limitations,
provides
a
future
prospect
for
this
rapidly
developing
technology.
Chemosphere,
Journal Year:
2024,
Volume and Issue:
355, P. 141749 - 141749
Published: March 21, 2024
Plastic
pollution
has
become
a
major
global
concern,
posing
numerous
challenges
for
the
environment
and
wildlife.
Most
conventional
ways
of
plastics
degradation
are
inefficient
cause
great
damage
to
ecosystems.
The
development
biodegradable
offers
promising
solution
waste
management.
These
designed
break
down
under
various
conditions,
opening
up
new
possibilities
mitigate
negative
impact
traditional
plastics.
Microbes,
including
bacteria
fungi,
play
crucial
role
in
bioplastics
by
producing
secreting
extracellular
enzymes,
such
as
cutinase,
lipases,
proteases.
However,
these
microbial
enzymes
sensitive
extreme
environmental
temperature
acidity,
affecting
their
functions
stability.
To
address
challenges,
scientists
have
employed
protein
engineering
immobilization
techniques
enhance
enzyme
stability
predict
structures.
Strategies
improving
substrate
interaction,
increasing
thermostability,
reinforcing
bonding
between
active
site
substrate,
refining
activity
being
utilized
boost
functionality.
Recently,
bioengineering
through
gene
cloning
expression
potential
microorganisms,
revolutionized
biodegradation
bioplastics.
This
review
aimed
discuss
most
recent
strategies
modifying
bioplastic-degrading
terms
functionality,
thermostability
enhancement,
binding
site,
with
other
improvement
surface
action.
Additionally,
discovered
exoenzymes
metagenomics
were
emphasized.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(52)
Published: Aug. 31, 2023
Abstract
The
development
and
implementation
of
sustainable
catalytic
technologies
is
key
to
delivering
our
net‐zero
targets.
Here
we
review
how
engineered
enzymes,
with
a
focus
on
those
developed
using
directed
evolution,
can
be
deployed
improve
the
sustainability
numerous
processes
help
conserve
environment.
Efficient
robust
biocatalysts
have
been
capture
carbon
dioxide
(CO
2
)
embedded
into
new
efficient
metabolic
CO
fixation
pathways.
Enzymes
refined
for
bioremediation,
enhancing
their
ability
degrade
toxic
harmful
pollutants.
Biocatalytic
recycling
gaining
momentum,
cutinases
PETases
depolymerization
abundant
plastic,
polyethylene
terephthalate
(PET).
Finally,
biocatalytic
approaches
accessing
petroleum‐based
feedstocks
chemicals
are
expanding,
optimized
enzymes
convert
plant
biomass
biofuels
or
other
high
value
products.
Through
these
examples,
hope
illustrate
enzyme
engineering
biocatalysis
contribute
cleaner
more
chemical
industry.
ChemBioChem,
Journal Year:
2023,
Volume and Issue:
25(3)
Published: Nov. 29, 2023
Abstract
Protein
engineering
is
essential
for
altering
the
substrate
scope,
catalytic
activity
and
selectivity
of
enzymes
applications
in
biocatalysis.
However,
traditional
approaches,
such
as
directed
evolution
rational
design,
encounter
challenge
dealing
with
experimental
screening
process
a
large
protein
mutation
space.
Machine
learning
methods
allow
approximation
fitness
landscapes
identification
patterns
using
limited
data,
thus
providing
new
avenue
to
guide
campaigns.
In
this
concept
article,
we
review
machine
models
that
have
been
developed
assess
enzyme‐substrate‐catalysis
performance
relationships
aiming
improve
through
data‐driven
engineering.
Furthermore,
prospect
future
development
field
provide
additional
strategies
tools
achieving
desired
activities
selectivities.
Nature Chemistry,
Journal Year:
2024,
Volume and Issue:
16(7), P. 1200 - 1208
Published: May 3, 2024
Abstract
The
ability
of
unevolved
amino
acid
sequences
to
become
biological
catalysts
was
key
the
emergence
life
on
Earth.
However,
billions
years
evolution
separate
complex
modern
enzymes
from
their
simpler
early
ancestors.
To
probe
how
can
develop
new
functions,
we
use
ultrahigh-throughput
droplet
microfluidics
screen
for
phosphoesterase
activity
amidst
a
library
more
than
one
million
based
de
novo
designed
4-helix
bundle.
Characterization
hits
revealed
that
acquisition
function
involved
large
jump
in
sequence
space
enriching
truncations
removed
>40%
protein
chain.
Biophysical
characterization
catalytically
active
truncated
it
dimerizes
into
an
α-helical
structure,
with
gain
accompanied
by
increased
structural
dynamics.
identified
phosphodiesterase
is
manganese-dependent
metalloenzyme
hydrolyses
range
phosphodiesters.
It
most
towards
cyclic
AMP,
rate
acceleration
~10
9
and
catalytic
proficiency
>10
14
M
−1
,
comparable
larger
shaped
evolution.
Faraday Discussions,
Journal Year:
2024,
Volume and Issue:
252, P. 89 - 114
Published: Jan. 1, 2024
Protein
design
and
directed
evolution
have
separately
contributed
enormously
to
protein
engineering.
Without
being
mutually
exclusive,
the
former
relies
on
computation
from
first
principles,
while
latter
is
a
combinatorial
approach
based
chance.
Advances
in
ultrahigh
throughput
(uHT)
screening,
next
generation
sequencing
machine
learning
may
create
alternative
routes
engineered
proteins,
where
functional
information
linked
specific
sequences
interpreted
extrapolated
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(34)
Published: Aug. 12, 2024
Mutations
in
protein
active
sites
can
dramatically
improve
function.
The
site,
however,
is
densely
packed
and
extremely
sensitive
to
mutations.
Therefore,
some
mutations
may
only
be
tolerated
combination
with
others
a
phenomenon
known
as
epistasis.
Epistasis
reduces
the
likelihood
of
obtaining
improved
functional
variants
slows
natural
lab
evolutionary
processes.
Research
has
shed
light
on
molecular
origins
epistasis
its
role
shaping
trajectories
outcomes.
In
addition,
sequence-
AI-based
strategies
that
infer
epistatic
relationships
from
mutational
patterns
or
experimental
evolution
data
have
been
used
design
variants.
recent
years,
combinations
such
approaches
atomistic
calculations
successfully
predicted
highly
combinatorial
sites.
These
were
thousands
active-site
variants,
demonstrating
that,
while
our
understanding
remains
incomplete,
determinants
are
critical
for
accurate
now
sufficiently
understood.
We
conclude
space
explored
by
expanded
enhance
activities
discover
new
ones.
Furthermore,
opens
way
systematically
exploring
sequence
structure
impacts
function,
deepening
control
over
activity.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(19), P. 4626 - 4626
Published: Sept. 29, 2024
The
field
of
computational
protein
engineering
has
been
transformed
by
recent
advancements
in
machine
learning,
artificial
intelligence,
and
molecular
modeling,
enabling
the
design
proteins
with
unprecedented
precision
functionality.
Computational
methods
now
play
a
crucial
role
enhancing
stability,
activity,
specificity
for
diverse
applications
biotechnology
medicine.
Techniques
such
as
deep
reinforcement
transfer
learning
have
dramatically
improved
structure
prediction,
optimization
binding
affinities,
enzyme
design.
These
innovations
streamlined
process
allowing
rapid
generation
targeted
libraries,
reducing
experimental
sampling,
rational
tailored
properties.
Furthermore,
integration
approaches
high-throughput
techniques
facilitated
development
multifunctional
novel
therapeutics.
However,
challenges
remain
bridging
gap
between
predictions
validation
addressing
ethical
concerns
related
to
AI-driven
This
review
provides
comprehensive
overview
current
state
future
directions
engineering,
emphasizing
their
transformative
potential
creating
next-generation
biologics
advancing
synthetic
biology.