Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(10), P. 3466 - 3484
Published: Jan. 1, 2024
The
second
coordination
sphere,
Asp721,
participates
in
a
hydrogen
bond
with
an
iron-coordinated
water
molecule,
thus
compensating
for
the
missing
facial
triad
carboxylate
AspH
and
enabling
stereoselective
C–H
oxidation.
Angewandte Chemie International Edition,
Journal Year:
2020,
Volume and Issue:
59(23), P. 9149 - 9154
Published: March 12, 2020
The
generation
of
catalytically
active
metalloproteins
inside
living
mammalian
cells
is
a
major
research
challenge
at
the
interface
between
catalysis
and
cell
biology.
Herein
we
demonstrate
that
basic
domains
bZIP
transcription
factors,
mutated
to
include
two
histidine
residues
i
i+4
positions,
react
with
palladium(II)
sources
generate
active,
stapled
pallado-miniproteins.
resulting
constrained
peptides
are
efficiently
internalized
into
cells,
where
they
perform
palladium-promoted
depropargylation
reactions
without
cellular
fixation.
Control
experiments
confirm
requirement
peptide
scaffolding
palladium
staple
for
attaining
intracellular
reactivity.
JACS Au,
Journal Year:
2022,
Volume and Issue:
2(11), P. 2400 - 2416
Published: Oct. 14, 2022
The
case
for
a
renewed
focus
on
Nature
in
drug
discovery
is
reviewed;
not
terms
of
natural
product
screening,
but
how
and
why
biomimetic
molecules,
especially
those
produced
by
processes,
should
deliver
the
age
artificial
intelligence
screening
vast
collections
both
vitro
silico.
declining
product-likeness
licensed
drugs
consequent
physicochemical
implications
this
trend
context
current
practices
are
noted.
To
arrest
these
trends,
logic
seeking
new
bioactive
agents
with
enhanced
mimicry
considered;
notably
that
molecules
constructed
proteins
(enzymes)
more
likely
to
interact
other
(e.g.,
targets
transporters),
notion
validated
products.
Nature's
finite
number
building
blocks
their
interactions
necessarily
reduce
potential
numbers
structures,
yet
enable
expansion
chemical
space
inherent
diversity
physical
characteristics,
pertinent
property-based
design.
feasible
variations
motifs
considered
expanded
encompass
pseudo-natural
products,
leading
further
logical
step
harnessing
bioprocessing
routes
access
them.
Together,
offer
opportunities
enhancing
mimicry,
thereby
bringing
innovation
synthesis
exploiting
characteristics
recognition
processes.
computational
guidance
help
identifying
binding
commonalities
route
map
opportunity
design
tailored
"organic/biological"
rather
than
purely
"synthetic"
structures.
prototype
structures
pay
dividends
disposition
efficacy
while
inherently
enabling
greener
sustainable
manufacturing
techniques.
Nature Communications,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: Jan. 10, 2022
Considering
the
intrinsic
toxicities
of
transition
metals,
their
incorporation
into
drug
therapies
must
operate
at
minimal
amounts
while
ensuring
adequate
catalytic
activity
within
complex
biological
systems.
As
a
way
to
address
this
issue,
study
investigates
design
synthetic
prodrugs
that
are
not
only
tuned
be
harmless,
but
can
robustly
transformed
in
vivo
reach
therapeutically
relevant
levels.
To
accomplish
this,
retrosynthetic
prodrug
highlights
potential
naphthylcombretastatin-based
prodrugs,
which
form
highly
active
cytostatic
agents
via
sequential
ring-closing
metathesis
and
aromatization.
Structural
adjustments
will
also
done
improve
aspects
related
reactivity,
bioactivity,
hydrolytic
stability.
The
developed
therapy
is
found
possess
excellent
anticancer
activities
cell-based
assays.
Furthermore,
activation
by
intravenously
administered
glycosylated
artificial
metalloenzymes
induce
significant
reduction
implanted
tumor
growth
mice.
Topics in Catalysis,
Journal Year:
2022,
Volume and Issue:
65(1-4), P. 6 - 39
Published: Jan. 13, 2022
Autonomous
computations
that
rely
on
automated
reaction
network
elucidation
algorithms
may
pave
the
way
to
make
computational
catalysis
a
par
with
experimental
research
in
field.
Several
advantages
of
this
approach
are
key
catalysis:
(i)
Automation
allows
one
consider
orders
magnitude
more
structures
systematic
and
open-ended
fashion
than
what
would
be
accessible
by
manual
inspection.
Eventually,
full
resolution
terms
structural
varieties
conformations
as
well
respect
type
number
potentially
important
elementary
steps
(including
decomposition
reactions
determine
turnover
numbers)
achieved.
(ii)
Fast
electronic
structure
methods
uncertainty
quantification
warrant
high
efficiency
reliability
order
not
only
deliver
results
quickly,
but
also
allow
for
predictive
work.
(iii)
A
degree
autonomy
reduces
amount
human
work,
processing
errors,
bias.
Although
being
inherently
unbiased,
it
is
still
steerable
specific
regions
an
emerging
addition
new
reactant
species.
This
fidelity
formalization
some
catalytic
process
surprising
silico
discoveries.
In
we
first
review
state
art
embed
autonomous
explorations
into
general
field
from
which
draws
its
ingredients.
We
then
elaborate
conceptual
issues
arise
context
procedures,
discuss
at
example
system.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Sept. 25, 2023
Enzymes
achieve
high
catalytic
activity
with
their
elaborate
arrangements
of
amino
acid
residues
in
confined
optimized
spaces.
Nevertheless,
when
exposed
to
complicated
environmental
implementation
scenarios,
including
acidity,
organic
solvent
and
ionic
strength,
enzymes
exhibit
low
operational
stability
poor
activity.
Here,
we
report
a
metal-organic
frameworks
(MOFs)-based
artificial
enzyme
system
via
second
coordination
sphere
engineering
hydrolytic
under
mild
conditions.
Experiments
theoretical
calculations
reveal
that
amide
cleavage
catalyzed
by
MOFs
follows
two
distinct
mechanisms,
Lewis
acid-
hydrogen
bonding-mediated
processes.
The
bond
formed
the
secondary
exhibits
11-fold
higher
than
acidic
zinc
ions.
satisfactory
degradation
performance
toxins
extreme
working
conditions,
fermentation
broth
ethanol
environments,
display
broad
substrate
specificity.
These
findings
hold
great
promise
for
designing
remediation.
Chemical Science,
Journal Year:
2022,
Volume and Issue:
13(5), P. 1459 - 1468
Published: Jan. 1, 2022
Artificial
metalloenzyme
visible
light
photocatalysts
possess
enhanced
optical
properties
and
are
competent
towards
single
electron
energy
transfer
organic
transformations.