bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Авг. 6, 2023
Abstract
This
study
computationally
evaluates
the
molecular
docking
affinity
of
various
perfluoroalkyl
and
polyfluoroalkyl
substances
(PFAs)
using
a
generative
machine
learning
algorithm,
DiffDock,
specialized
in
protein-ligand
blind-docking
prediction.
Concerns
about
chemical
pathways
accumulation
PFAs
environment
eventually
human
body
has
been
rising
due
to
empirical
findings
that
levels
blood
rising.
Though
there
is
currently
heightened
need
understand
PFAs,
studies
on
have
relatively
slow
time-scale
cost
standard
analysis
such
as
those
samples.
The
current
demonstrates
implementation
DiffDock
assesses
prediction
results
relation
findings.
capability
an
advanced
artificial
intelligence
(AI)
algorithm
designed
for
offers
fast
approach
determining
potential
body.
PLoS Computational Biology,
Год журнала:
2024,
Номер
20(5), С. e1012144 - e1012144
Опубликована: Май 23, 2024
Intrinsically
disordered
proteins
have
dynamic
structures
through
which
they
play
key
biological
roles.
The
elucidation
of
their
conformational
ensembles
is
a
challenging
problem
requiring
an
integrated
use
computational
and
experimental
methods.
Molecular
simulations
are
valuable
strategy
for
constructing
structural
but
highly
resource-intensive.
Recently,
machine
learning
approaches
based
on
deep
generative
models
that
learn
from
simulation
data
emerged
as
efficient
alternative
generating
ensembles.
However,
such
methods
currently
suffer
limited
transferability
when
modeling
sequences
conformations
absent
in
the
training
data.
Here,
we
develop
novel
model
achieves
high
levels
intrinsically
protein
approach,
named
idpSAM,
latent
diffusion
transformer
neural
networks.
It
combines
autoencoder
to
representation
geometry
sample
encoded
space.
IdpSAM
was
trained
large
dataset
regions
performed
with
ABSINTH
implicit
solvent
model.
Thanks
expressiveness
its
networks
stability,
idpSAM
faithfully
captures
3D
test
no
similarity
set.
Our
study
also
demonstrates
potential
full
datasets
sampling
underscores
importance
set
size
generalization.
We
believe
represents
significant
progress
transferable
ensemble
learning.
Physiological Reviews,
Год журнала:
2024,
Номер
105(1), С. 1 - 93
Опубликована: Март 7, 2024
Myosin
II
is
a
molecular
motor
that
converts
chemical
energy
derived
from
ATP
hydrolysis
into
mechanical
work.
isoforms
are
responsible
for
muscle
contraction
and
range
of
cell
functions
relying
on
the
development
force
motion.
When
attaches
to
actin,
hydrolyzed
inorganic
phosphate
(P
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Май 16, 2024
Biomacromolecule
structures
are
essential
for
drug
development
and
biocatalysis.
Quantum
refinement
(QR)
methods,
which
employ
reliable
quantum
mechanics
(QM)
methods
in
crystallographic
refinement,
showed
promise
improving
the
structural
quality
or
even
correcting
structure
of
biomacromolecules.
However,
vast
computational
costs
complex
mechanics/molecular
(QM/MM)
setups
limit
QR
applications.
Here
we
incorporate
robust
machine
learning
potentials
(MLPs)
multiscale
ONIOM(QM:MM)
schemes
to
describe
core
parts
(e.g.,
drugs/inhibitors),
replacing
expensive
QM
method.
Additionally,
two
levels
MLPs
combined
first
time
overcome
MLP
limitations.
Our
unique
MLPs+ONIOM-based
achieve
QM-level
accuracy
with
significantly
higher
efficiency.
Furthermore,
our
refinements
provide
evidence
existence
bonded
nonbonded
forms
Food
Drug
Administration
(FDA)-approved
nirmatrelvir
one
SARS-CoV-2
main
protease
structure.
This
study
highlights
that
powerful
accelerate
QRs
protein-drug
complexes,
promote
broader
applications
more
atomistic
insights
into
development.
Frontiers in Microbiology,
Год журнала:
2025,
Номер
15
Опубликована: Янв. 7, 2025
The
alarming
rise
of
antibiotic-resistant
Gram-negative
bacteria
poses
a
global
health
crisis.
Their
unique
outer
membrane
restricts
antibiotic
access.
While
diffusion
porins
are
well-studied,
the
role
BON
domain-containing
proteins
(BDCPs)
in
resistance
remains
unexplored.
We
analyze
protein
databases,
revealing
widespread
BDCP
distribution
across
environmental
bacteria.
further
describe
their
conserved
core
domain
structure,
key
for
understanding
transport.
Elucidating
genetic
and
biochemical
basis
BDCPs
offers
novel
target
to
combat
restore
bacterial
susceptibility
antibiotics.
Computers in Biology and Medicine,
Год журнала:
2025,
Номер
190, С. 110064 - 110064
Опубликована: Апрель 5, 2025
The
rapidly
advancing
field
of
artificial
intelligence
(AI)
has
transformed
numerous
scientific
domains,
including
biology,
where
a
vast
and
complex
volume
data
is
available
for
analysis.
This
paper
provides
comprehensive
overview
the
current
state
AI-driven
methodologies
in
genomics,
proteomics,
systems
biology.
We
discuss
how
machine
learning
algorithms,
particularly
deep
models,
have
enhanced
accuracy
efficiency
embedding
sequences,
motif
discovery,
prediction
gene
expression
protein
structure.
Additionally,
we
explore
integration
AI
analysis
biological
networks,
protein-protein
interaction
networks
multi-layered
networks.
By
leveraging
large-scale
data,
techniques
enabled
unprecedented
insights
into
processes
disease
mechanisms.
work
underlines
potential
applying
to
highlighting
applications
suggesting
directions
future
research
further
this
evolving
field.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 8, 2024
Intrinsically
disordered
proteins
have
dynamic
structures
through
which
they
play
key
biological
roles.
The
elucidation
of
their
conformational
ensembles
is
a
challenging
problem
requiring
an
integrated
use
computational
and
experimental
methods.
Molecular
simulations
are
valuable
strategy
for
constructing
structural
but
highly
resource-intensive.
Recently,
machine
learning
approaches
based
on
deep
generative
models
that
learn
from
simulation
data
emerged
as
efficient
alternative
generating
ensembles.
However,
such
methods
currently
suffer
limited
transferability
when
modeling
sequences
conformations
absent
in
the
training
data.
Here,
we
develop
novel
model
achieves
high
levels
intrinsically
protein
approach,
named
idpSAM,
latent
diffusion
transformer
neural
networks.
It
combines
autoencoder
to
representation
geometry
sample
encoded
space.
IdpSAM
was
trained
large
dataset
regions
performed
with
ABSINTH
implicit
solvent
model.
Thanks
expressiveness
its
networks
stability,
idpSAM
faithfully
captures
3D
test
no
similarity
set.
Our
study
also
demonstrates
potential
full
datasets
sampling
underscores
importance
set
size
generalization.
We
believe
represents
significant
progress
transferable
ensemble
learning.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 19, 2025
Post-translational
modifications
(PTMs)
play
a
crucial
role
in
allowing
cells
to
expand
the
functionality
of
their
proteins
and
adaptively
regulate
signaling
pathways.
Defects
PTMs
have
been
linked
numerous
developmental
disorders
human
diseases,
including
cancer,
diabetes,
heart,
neurodegenerative
metabolic
diseases.
are
important
targets
drug
discovery,
as
they
can
significantly
influence
various
aspects
interactions
binding
affinity.
The
structural
consequences
PTMs,
such
phosphorylation-induced
conformational
changes
or
effects
on
ligand
affinity,
historically
challenging
study
large
scale,
primarily
due
reliance
experimental
methods.
Recent
advancements
computational
power
artificial
intelligence,
particularly
deep
learning
algorithms
protein
structure
prediction
tools
like
AlphaFold3,
opened
new
possibilities
for
exploring
context
between
drugs.
These
AI-driven
methods
enable
accurate
modeling
structures
PTM-modified
regions
simulation
ligand-binding
dynamics
scale.
In
this
work,
we
identified
small
molecule
binding-associated
that
across
all
listed
DrugDomain
database,
which
developed
recently.
6,131
were
mapped
domains
from
Evolutionary
Classification
Protein
Domains
(ECOD)
database.
Scientific
contribution.
Using
recent
AI-based
approaches
(AlphaFold3,
RoseTTAFold
All-Atom,
Chai-1),
generated
14,178
models
with
docked
ligands.
Our
results
demonstrate
these
predict
PTM
binding,
but
precise
evaluation
accuracy
requires
much
larger
benchmarking
set.
We
also
found
phosphorylation
NADPH-Cytochrome
P450
Reductase,
observed
cervical
lung
causes
significant
disruption
pocket,
potentially
impairing
function.
All
data
available
database
v1.1
(
http://prodata.swmed.edu/DrugDomain/
)
GitHub
https://github.com/kirmedvedev/DrugDomain
).
This
resource
is
first
our
knowledge
offering