Cell Biochemistry and Biophysics,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 13, 2024
Abstract
Protein
S
(PROS1)
has
recently
been
identified
as
a
ligand
for
the
TAM
receptor
MERTK,
influencing
immune
response
and
cell
survival.
The
PROS1–MERTK
interaction
plays
role
in
cancer
progression,
promoting
evasion
metastasis
multiple
cancers
by
fostering
tumor-supportive
microenvironment.
Despite
its
importance,
limited
structural
insights
into
this
underscore
need
computational
studies
to
explore
their
binding
dynamics,
potentially
guiding
targeted
therapies.
In
study,
we
investigated
using
advanced
analyses
support
immunotherapy
research.
High-resolution
models
from
ColabFold,
an
AlphaFold2
adaptation,
provided
baseline
structure,
allowing
us
examine
interface
with
ChimeraX
map
residue
interactions
through
Van
der
Waals
criteria.
Molecular
dynamics
(MD)
simulations
were
conducted
GROMACS
over
100
ns
assess
stability
conformational
changes
RMSD,
RMSF,
radius
of
gyration
(
R
g).
was
predicted
contain
heterogeneous
mix
amino
acid
contacts,
lysine
leucine
frequent
participants.
MD
demonstrated
prominent
early
shifts,
stabilizing
after
approximately
50
small
shifts
occurring
simulation
completed.
addition,
there
are
various
regions
each
protein
that
have
greater
fluctuations
compared
others,
which
may
represent
attractive
areas
target
halt
progression
interaction.
These
deepen
our
understanding
modulation
tumor
unveiling
potential
targets
immunotherapy.
Cell Biochemistry and Function,
Journal Year:
2022,
Volume and Issue:
40(8), P. 926 - 934
Published: Oct. 6, 2022
The
quick
widespread
of
the
coronavirus
and
speedy
upsurge
in
tally
cases
demand
fast
development
effective
drugs.
uridine-directed
endoribonuclease
activity
nonstructural
protein
15
(Nsp15)
is
responsible
for
invasion
host
immune
system.
Therefore,
developing
potential
inhibitors
against
Nsp15
a
promising
strategy.
In
this
concern,
silico
approach
can
play
significant
role,
as
it
cost-effective
comparison
to
trial
error
approaches
experimental
investigations.
study,
six
turmeric
derivatives
(curcuminoids)
were
chosen
analysis.
molecular
interactions,
pharmacokinetics,
drug-likeness
all
curcuminoids
measured.
Further,
stability
Nsp15-curcuminoids
complexes
was
appraised
by
employing
dynamics
(MD)
simulations
MM-PBSA
approaches.
All
molecules
affirmed
have
strong
interactions
pharmacokinetic
profile.
MD
data
stated
that
stable
during
simulations.
showed
high
binding
affinity,
these
could
be
admitted
modulators
inhibition.
Phytotherapy Research,
Journal Year:
2023,
Volume and Issue:
38(1), P. 7 - 10
Published: Feb. 14, 2023
Data
S1:
Supporting
Information.
Please
note:
The
publisher
is
not
responsible
for
the
content
or
functionality
of
any
supporting
information
supplied
by
authors.
Any
queries
(other
than
missing
content)
should
be
directed
to
corresponding
author
article.
Fundamental and Clinical Pharmacology,
Journal Year:
2023,
Volume and Issue:
37(4), P. 726 - 738
Published: March 18, 2023
Abstract
The
COVID‐19
pandemic
remains
a
major
health
concern
worldwide,
and
SARS‐CoV‐2
is
continuously
evolving.
There
an
urgent
need
to
identify
new
antiviral
drugs
develop
novel
therapeutic
strategies.
Combined
use
of
newly
authorized
medicines
including
molnupiravir,
nirmatrelvir,
remdesivir
has
been
actively
pursued.
Mechanistically,
nirmatrelvir
inhibits
replication
by
targeting
the
viral
main
protease
(M
pro
),
critical
enzyme
in
processing
immediately
translated
coronavirus
polyproteins
for
replication.
Molnupiravir
remdesivir,
on
other
hand,
inhibit
RNA‐dependent
RNA‐polymerase
(RdRp),
which
directly
responsible
genome
production
subgenomic
RNAs.
targets
RdRp
induces
severe
RNA
mutations
(genome),
commonly
referred
as
error
catastrophe.
Remdesivir,
contrast,
causes
chain
termination
arrests
synthesis
genome.
In
addition,
all
three
undergo
extensive
metabolism
with
strong
significance.
hydrolytically
activated
carboxylesterase‐2
(CES2),
inactivated
cy
tochrome
P
450‐based
oxidation
(e.g.,
CYP3A4),
CES1
but
covalently
CES2.
Additionally,
are
oxidized
same
CYP
enzymes.
distinct
mechanisms
action
provide
rationale
their
combined
use.
On
these
that
determines
potential.
This
review
discusses
how
pathways
enzymes
involved
should
be
carefully
considered
during
synergy.
Frontiers in Chemistry,
Journal Year:
2024,
Volume and Issue:
12
Published: Feb. 22, 2024
SARS-CoV-2
(Severe
Acute
Respiratory
Syndrome
Coronavirus
2)
is
the
etiological
agent
responsible
for
global
outbreak
of
COVID-19
(Coronavirus
Disease
2019).
The
main
protease
SARS-CoV-2,
Mpro,
a
key
enzyme
that
plays
vital
role
in
mediating
viral
replication
and
transcription.
In
this
study,
comprehensive
computational
approach
was
employed
to
investigate
binding
affinity,
selectivity,
stability
natural
product
candidates
as
potential
new
antivirals
acting
on
polyprotein
processing
mediated
by
Mpro.
A
library
288
flavonoids
extracted
from
Brazilian
biodiversity
screened
select
Mpro
inhibitors.
An
initial
filter
based
Lipinski's
rule
five
applied,
204
compounds
did
not
violate
any
Lipinski
rules
were
selected.
then
docked
into
active
site
using
GOLD
program,
poses
subsequently
re-scored
MM-GBSA
(Molecular
Mechanics
Generalized
Born
Surface
Area)
free
energy
calculations
performed
AmberTools23.
top
with
best
values
selected
analysis
their
interactions
residues
protein.
Next,
we
conducted
toxicity
drug-likeness
analysis,
non-toxic
subjected
molecular
dynamics
simulation
calculation
MM-PBSA
Poisson-Boltzmann
method.
It
observed
had
lower
than
co-crystal
ligand.
Furthermore,
these
also
formed
hydrogen
bonds
two
important
residues,
Cys145
Glu166,
Two
passed
showed
stable
conformations
during
simulations.
Among
these,
NuBBE_867
exhibited
value
compared
crystallographic
inhibitor.
Therefore,
study
suggests
could
be
inhibitor
against
may
further
examined
confirm
our
results.
Biomedicines,
Journal Year:
2024,
Volume and Issue:
12(4), P. 788 - 788
Published: April 3, 2024
A
series
of
novel
1,5-diaryl
pyrazole
derivatives
targeting
the
COX
enzyme
were
designed
by
combined
ligand
and
structure-based
approach.
The
molecules
then
further
subjected
to
ADMET
molecular
docking
studies.
Out
34
compounds,
top-10
from
computation
studies
synthesized,
characterized,
evaluated
for
COX-2
inhibition
anti-cancer
activity.
Initially,
target
compounds
screened
protein
denaturation
assay.
results
top-five
T2,
T3,
T5,
T6,
T9
in
vitro
enzymatic
assay
As
far
as
inhibitory
activity
is
considered,
two
T3
exhibited
half
maximum
concentration
(IC
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(17), P. 10067 - 10067
Published: Sept. 3, 2022
The
rapid
and
global
propagation
of
the
novel
human
coronavirus
that
causes
severe
acute
respiratory
syndrome
2
(SARS-CoV-2)
has
produced
an
immediate
urgency
to
discover
promising
targets
for
treatment
this
virus.
In
paper,
we
studied
spike
protein
S2
domain
SARS-CoV-2
as
it
is
most
conserved
component
controls
crucial
fusion
process
a
target
different
databases
small
organic
compounds.
Our
in
silico
methodology,
based
on
pharmacophore
modeling,
docking
simulation
molecular
dynamics
simulations,
was
first
validated
with
ADS-J1,
potent
small-molecule
HIV
inhibitor
already
proved
effective
binding
HR1
inhibiting
core
SARS-CoV-1.
It
then
focused
finding
molecules
new
peptides
inhibitors.
methodology
identified
several
potential
inhibitors
process.
Among
these,
NF
023
hydrate
(MolPort-006-822-583)
one
best-scored
Other
compounds
interest
are
ZINC00097961973,
Salvianolic
acid,
Thalassiolin
A
marine_160925_88_2.
Two
interesting
active
were
also
identified:
AP00094
(Temporin
A)
AVP1227
(GBVA5).
inhibition
valid
inhibit
virus
entry
cells.
discussed
reported
paper
led
encouraging
results
future
vitro
tests
against
SARS-CoV-2.