Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Jan. 30, 2025
Although
biocatalysis
offers
complementary
or
alternative
approaches
to
traditional
synthetic
methods,
the
limited
range
of
available
enzymatic
reactions
currently
poses
challenges
in
synthesizing
a
diverse
array
desired
compounds.
Consequently,
there
is
significant
demand
for
developing
novel
biocatalytic
processes
enable
that
were
previously
unattainable.
Herein,
we
report
discovery
and
subsequent
protein
engineering
unique
halohydrin
dehalogenase
develop
platform
enantioselective
formation
ring-opening
oxetanes.
This
platform,
exhibiting
high
efficiency,
excellent
enantioselectivity,
broad
scopes,
facilitates
preparative-scale
synthesis
chiral
oxetanes
variety
γ-substituted
alcohols.
Additionally,
both
oxetane
are
proven
scalable
large-scale
transformations
at
substrate
concentrations,
can
be
integrated
efficiently
one-pot,
one-catalyst
cascade
system.
work
expands
toolbox
non-natural
will
promote
further
exploration
catalytic
repertoire
dehalogenases
pharmaceutical
chemistry.
Oxetane
four-membered,
oxygen-containing
heterocyclic
compound
importance
medicinal
chemistry
drug
development.
Here,
authors
dehalogenase,
ACS Central Science,
Journal Year:
2023,
Volume and Issue:
9(5), P. 1008 - 1018
Published: April 24, 2023
The
domain
of
unknown
function
692
(DUF692)
is
an
emerging
family
post-translational
modification
enzymes
involved
in
the
biosynthesis
ribosomally
synthesized
and
post-translationally
modified
peptide
(RiPP)
natural
products.
Members
this
are
multinuclear
iron-containing
enzymes,
only
two
members
have
been
functionally
characterized
to
date:
MbnB
TglH.
Here,
we
used
bioinformatics
select
another
member
DUF692
family,
ChrH,
that
encoded
genomes
Chryseobacterium
genus
along
with
a
partner
protein
ChrI.
We
structurally
ChrH
reaction
product
show
enzyme
complex
catalyzes
unprecedented
chemical
transformation
results
formation
macrocycle,
imidazolidinedione
heterocycle,
thioaminals,
thiomethyl
group.
Based
on
isotopic
labeling
studies,
propose
mechanism
for
four-electron
oxidation
methylation
substrate
peptide.
This
work
identifies
first
SAM-dependent
catalyzed
by
complex,
further
expanding
repertoire
remarkable
reactions
these
enzymes.
three
currently
members,
suggest
be
called
non-heme
iron
dependent
oxidative
(MNIOs).
Chemical Communications,
Journal Year:
2023,
Volume and Issue:
59(49), P. 7518 - 7533
Published: Jan. 1, 2023
This
review
summarises
the
use
of
engineered
ketoreductases
(KREDS),
both
as
whole
microbial
cells
and
isolated
enzymes,
in
highly
enantiospecific
reduction
prochiral
ketones.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(15)
Published: Feb. 15, 2023
Developing
biocatalytic
cascades
in
abiological
conditions
is
of
utmost
significance,
but
such
processes
often
suffer
from
low
reaction
efficiency
because
incompatible
environments
and
suppressed
intermediate
transportation.
Herein
we
report
a
new
type
cascade
by
localizing
two
different
enzymes
separately
the
outer
inner
interfacial
layers
Pickering
emulsion
droplets.
This
versatile
approach
enables
localization
their
preferred
microenvironments
simultaneously
nanoscale
proximity
each
other.
The
thus-designed
show
outstanding
catalytic
alkene
epoxidation
thioether
oxidation
with
situ
generation
hydrogen
peroxide
under
mild
conditions,
6.9-13.6
times
higher
than
free
solution
multi-enzymatic
counterparts.
remarkable
effect
droplets
was
found
to
be
responsible
for
significantly
enhanced
cascading
efficiency.
Organic Process Research & Development,
Journal Year:
2024,
Volume and Issue:
28(5), P. 1308 - 1326
Published: March 8, 2024
Flow
chemistry
as
well
biocatalysis
contribute
to
achieve
green
industries
and
sustainable
development.
Now
there
is
an
approach
that
combines
them,
called
flow
biocatalysis,
which
attracts
more
attention.
In
enzyme
immobilization
plays
a
powerful
role
in
promoting
its
This
review
begins
with
general
introduction
of
then
provides
update
on
the
application
immobilized
enzymes
biocatalysis.
Oxidation–reduction,
hydrolysis–esterification,
transferase
reaction,
condensation,
carboxylation,
multistep
cascade
reactions
continuous-flow
process
are
discussed
detail.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: June 29, 2024
Abstract
Co-immobilization
of
cells
and
enzymes
is
often
essential
for
the
cascade
biocatalytic
processes
industrial-scale
feasibility
but
remains
a
vast
challenge.
Herein,
we
create
facile
co-immobilization
platform
integrating
in
covalent
organic
frameworks
(COFs)
to
realize
highly
efficient
inulinase
E.
coli
bioconversion
natural
products.
Enzymes
can
be
uniformly
immobilized
COF
armor,
which
coats
on
cell
surface
produce
biocatalysts
with
high
efficiency,
stability
recyclability.
Furthermore,
this
one-pot
situ
synthesis
process
facilitates
gram-scale
fabrication
enzyme-cell
biocatalysts,
generate
continuous-flow
device
conversing
inulin
D-allulose,
achieving
space-time
yield
161.28
g
L
−1
d
(remaining
>90%
initial
catalytic
efficiency
after
7
days
continuous
reaction).
The
created
applied
various
(e.g.,
,
Yeast)
enzymes,
demonstrating
excellent
universality.
This
study
paves
pathway
break
bottleneck
extra-
intracellular
catalysis,
creates
high-performance
customizable
biomanufacturing,
expands
scope
biocatalysis
intensification.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(7), P. 4536 - 4553
Published: March 12, 2024
A
revolution
in
the
field
of
biocatalysis
has
enabled
scalable
access
to
compounds
high
societal
values
using
enzymes.
The
construction
biocatalytic
routes
relies
on
reservoir
available
enzymatic
transformations.
review
uncharacterized
proteins
predicted
from
genomic
sequencing
projects
shows
that
a
treasure
trove
enzyme
chemistry
awaits
be
uncovered.
This
Review
highlights
transformations
discovered
through
various
genome
mining
methods
and
showcases
their
potential
future
applications
biocatalysis.
ACS Central Science,
Journal Year:
2024,
Volume and Issue:
10(5), P. 1022 - 1032
Published: April 11, 2024
Advances
in
genome
sequencing
and
bioinformatics
methods
have
identified
a
myriad
of
biosynthetic
gene
clusters
(BGCs)
encoding
uncharacterized
molecules.
By
mining
genomes
for
BGCs
containing
prevalent
peptide-binding
domain
used
the
biosynthesis
ribosomally
synthesized
post-translationally
modified
peptides
(RiPPs),
we
uncovered
new
compound
class
involving
modifications
installed
by
cytochrome
P450,
multinuclear
iron-dependent
non-heme
oxidative
enzyme
(MNIO,
formerly
DUF692),
cobalamin-
radical
Journal of Flow Chemistry,
Journal Year:
2024,
Volume and Issue:
14(1), P. 219 - 238
Published: Feb. 14, 2024
Abstract
The
merging
of
biocatalysis
with
continuous-flow
chemistry
opens
up
new
opportunities
for
sustainable
and
efficient
chemical
synthesis.
Cofactor-dependent
enzymes
are
essential
various
industrially
attractive
biocatalytic
reactions.
However,
implementing
these
reactions
in
industry
remains
challenging
due
to
the
inherent
cost
cofactors
requirement
their
external
supply
significant
quantities.
development
efficient,
low
cost,
simple
versatile
methods
cofactor
immobilization
can
address
this
important
obstacle
flow.
This
review
explores
recent
progress
by
analyzing
advantages
current
limitations
available
that
comprise
covalent
tethering,
ionic
adsorption,
physical
entrapment,
hybrid
variations
thereof.
Moreover,
analyzes
all
techniques
specifically
utilization
provides
a
perspective
future
work
area.
will
serve
as
guide
steering
field
towards
more
economically
viable
biocatalysis.
Graphical
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(22)
Published: April 1, 2024
Abstract
The
design
and
orderly
layered
co‐immobilization
of
multiple
enzymes
on
resin
particles
remain
challenging.
In
this
study,
the
SpyTag/SpyCatcher
binding
pair
was
fused
to
N‐terminus
an
alcohol
dehydrogenase
(ADH)
aldo‐keto
reductase
(AKR),
respectively.
A
non‐canonical
amino
acid
(ncAA),
p
‐azido‐L‐phenylalanine
(p‐AzF),
as
anchor
for
covalent
bonding
enzymes,
genetically
inserted
into
preselected
sites
in
AKR
ADH.
Employing
two
bioorthogonal
counterparts
azide–alkyne
cycloaddition
immobilization
ADH
enabled
sequential
dual‐enzyme
coating
porous
microspheres.
ordered
reactor
subsequently
used
synthesize
(
S
)‐1‐(2‐chlorophenyl)ethanol
asymmetrically
from
corresponding
prochiral
ketone,
enabling
situ
regeneration
NADPH.
exhibited
a
high
catalytic
conversion
74
%
good
reproducibility,
retaining
80
its
initial
activity
after
six
cycles.
product
had
99.9
ee,
which
that
maintained
each
cycle.
Additionally,
double‐layer
method
significantly
increased
enzyme
loading
capacity,
approximately
1.7
times
greater
than
traditional
single‐layer
immobilization.
More
importantly,
it
simultaneously
both
purification
carriers,
thus
providing
convenient
approach
facilitate
cascade
biocatalysis.
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 18, 2024
Multiple
enzyme-induced
cascade
catalysis
has
an
indispensable
role
in
the
process
of
complex
life
activities,
and
is
widely
used
to
construct
robust
biosensors
for
analyzing
various
targets.
The
immobilized
multi-enzyme
system
a
novel
biomimetic
strategy
that
immobilizes
enzymes
with
different
functions
stable
carriers
simulate
synergistic
multiple
biological
systems,
which
enables
high
stability
efficiency
enzymatic
catalysis.
Nanozymes,
type
nanomaterial
intrinsic
enzyme-like
characteristics
excellent
stabilities,
are
also
applied
instead
achieving
better
catalytic
performance
reaction
stability.
Due
good
stability,
reusability,
remarkably
efficiency,
multi-enzyme/nanozyme
systems
show
distinct
advantages
promoting
signal
transduction
amplification,
thereby
attracting
vast
research
interest
biosensing
applications.
This
review
focuses
on
progress
recent
years.
construction
approaches,
factors
affecting
applications
sensitive
discussed
detail.
Further,
their
challenges
outlooks
future
study
provided.