Biophysical Journal,
Год журнала:
2024,
Номер
123(17), С. 2790 - 2806
Опубликована: Фев. 1, 2024
De
novo
peptide
design
is
a
new
frontier
that
has
broad
application
potential
in
the
biological
and
biomedical
fields.
Most
existing
models
for
de
are
largely
based
on
sequence
homology
can
be
restricted
evolutionarily
derived
protein
sequences
lack
physicochemical
context
essential
folding.
Generative
machine
learning
promising
way
to
synthesize
theoretical
data
on,
but
unique
from,
observable
universe.
In
this
study,
we
created
tested
custom
generative
adversarial
network
intended
fold
into
β-hairpin
secondary
structure.
This
deep
neural
model
designed
establish
preliminary
foundation
of
approach
conformational
properties
20
canonical
amino
acids,
example,
hydrophobicity
residue
volume,
using
extant
structure-specific
from
PDB.
The
beta
robustly
distinguishes
structures
β
hairpin
α
helix
intrinsically
disordered
peptides
with
an
accuracy
up
96%
generates
artificial
minimum
identities
around
31%
50%
when
compared
against
current
NCBI
PDB
nonredundant
databases,
respectively.
These
results
highlight
specifically
anchored
by
property
features
acids
expand
sequence-to-structure
landscape
proteins
beyond
evolutionary
limits.
Molecules,
Год журнала:
2023,
Номер
28(12), С. 4691 - 4691
Опубликована: Июнь 10, 2023
The
core
of
large-scale
drug
virtual
screening
is
to
select
the
binders
accurately
and
efficiently
with
high
affinity
from
large
libraries
small
molecules
in
which
non-binders
are
usually
dominant.
binding
significantly
influenced
by
protein
pocket,
ligand
spatial
information,
residue
types/atom
types.
Here,
we
used
pocket
residues
or
atoms
as
nodes
constructed
edges
neighboring
information
comprehensively
represent
information.
Moreover,
model
pre-trained
molecular
vectors
performed
better
than
one-hot
representation.
main
advantage
DeepBindGCN
that
it
independent
docking
conformation,
concisely
keeps
physical-chemical
features.
Using
TIPE3
PD-L1
dimer
proof-of-concept
examples,
proposed
a
pipeline
integrating
other
methods
identify
strong-binding-affinity
compounds.
It
first
time
non-complex-dependent
has
achieved
root
mean
square
error
(RMSE)
value
1.4190
Pearson
r
0.7584
PDBbind
v.2016
set,
respectively,
thereby
showing
comparable
prediction
power
state-of-the-art
models
rely
upon
3D
complex.
provides
powerful
tool
predict
protein-ligand
interaction
can
be
many
important
application
scenarios.
ABSTRACT
Because
of
their
wide
variety
biological
effects,
bioactive
peptides
(BAPs)
have
recently
attracted
a
lot
attention.
BAPs
been
observed
to
be
safe,
thanks
widely
acknowledged
safety
status
by
the
United
States
Food
and
Drug
Administration
(USFDA).
This
has
led
widespread
use
in
various
industries,
such
as
food
nutrition,
pharmaceuticals,
therapeutics.
A
considerable
amount
research
devoted
developing
cutting‐edge
nanomaterials
derived
from
BAPs,
which
utilized
range
industries.
In
realm
scientific
research,
remarkable
ability
self‐assemble
harnessed
develop
nanoassemblies.
These
nanoassemblies
hold
immense
potential
for
advancement
biomaterials
future.
Research
interest
continues
focus
on
study
detection
using
artificial
intelligence
(AI).
Over
past
few
years,
there
surge
utilizing
bio‐inspired
strategies
explore
new
possibilities
development
advanced
energy
devices
storage
solutions.
However,
these
require
extensive
review
offers
broad
perspective
applications
nanotechnology
well
pharmaceuticals
Moreover,
silico
analysis
coupled
with
‐omics
techniques,
discussed.
bargain,
next‐generation
approaches
BAP
comprising
BAP‐based
devices,
AI,
catalogued.
There
is
emphasis
more
eco‐friendly
energy‐storage
technologies
that
draw
inspiration
nature
BAPs.
Future Healthcare Journal,
Год журнала:
2024,
Номер
11(3), С. 100182 - 100182
Опубликована: Сен. 1, 2024
The
presence
of
artificial
intelligence
(AI)
in
healthcare
is
a
powerful
and
game-changing
force
that
completely
transforming
the
industry
as
whole.
Using
sophisticated
algorithms
data
analytics,
AI
has
unparalleled
prospects
for
improving
patient
care,
streamlining
operational
efficiency,
fostering
innovation
across
ecosystem.
This
study
conducts
comprehensive
bibliometric
analysis
research
on
healthcare,
utilising
SCOPUS
database
primary
source.
Briefings in Bioinformatics,
Год журнала:
2024,
Номер
25(5)
Опубликована: Июль 25, 2024
Abstract
Using
amino
acid
residues
in
peptide
generation
has
solved
several
key
problems,
including
precise
control
of
sequence
order,
customized
peptides
for
property
modification,
and
large-scale
synthesis.
Proteins
contain
unknown
residues.
Extracting
them
the
synthesis
drug-like
can
create
novel
structures
with
unique
properties,
driving
drug
development.
Computer-aided
design
molecules
solve
high-cost
low-efficiency
problems
traditional
discovery
process.
Previous
studies
faced
limitations
enhancing
bioactivity
drug-likeness
polypeptide
drugs
due
to
less
emphasis
on
connection
relationships
structures.
Thus,
we
proposed
a
reinforcement
learning-driven
model
based
graph
attention
mechanisms
generation.
By
harnessing
advantages
mechanisms,
this
effectively
captured
connectivity
between
peptides.
Simultaneously,
leveraging
learning’s
strength
guiding
optimal
searches
provided
approach
optimization.
This
introduces
an
actor-critic
framework
real-time
feedback
loops
achieve
dynamic
balance
attributes,
which
customize
multiple
specific
targets
enhance
affinity
targets.
Experimental
results
demonstrate
that
generated
meet
specified
absorption,
distribution,
metabolism,
excretion,
toxicity
properties
success
rate
over
90$\%$,
thereby
significantly
accelerating
process
Future Medicinal Chemistry,
Год журнала:
2025,
Номер
unknown, С. 1 - 15
Опубликована: Фев. 12, 2025
Peptides
are
able
to
bind
difficult
disease
targets
with
high
potency
and
specificity,
providing
great
opportunities
meet
unmet
medical
requirements.
Nevertheless,
the
unique
features
of
peptides,
such
as
their
small
size,
structural
flexibility,
scarce
data
availability,
bring
extra
challenges
design
process.
Firstly,
this
review
sums
up
application
peptide
drugs
in
treating
diseases.
Then,
probes
into
advantages
Deep
Neural
Networks
(DNNs)
predicting
designing
structures.
DNNs
have
demonstrated
remarkable
capabilities
prediction,
enabling
accurate
three-dimensional
modeling
through
models
like
AlphaFold
its
successors.
Finally,
deliberates
on
coping
strategies
development
drugs,
along
future
research
directions.
Future
directions
focus
further
improving
accuracy
efficiency
DNN-based
drug
design,
exploring
novel
applications
accelerating
clinical
translation.
With
continuous
advancements
technology
accumulation,
poised
play
an
increasingly
crucial
role
field
development.
Biomolecules,
Год журнала:
2025,
Номер
15(4), С. 524 - 524
Опубликована: Апрель 3, 2025
Molecular
modelling
is
a
vital
tool
in
the
discovery
and
characterisation
of
bioactive
peptides,
providing
insights
into
their
structural
properties
interactions
with
biological
targets.
Many
models
predicting
peptide
function
or
structure
rely
on
intrinsic
properties,
including
influence
amino
acid
composition,
sequence,
chain
length,
which
impact
stability,
folding,
aggregation,
target
interaction.
Homology
predicts
structures
based
known
templates.
Peptide–protein
can
be
explored
using
molecular
docking
techniques,
but
there
are
challenges
related
to
inherent
flexibility
addressed
by
more
computationally
intensive
approaches
that
consider
movement
over
time,
called
dynamics
(MD).
Virtual
screening
many
usually
against
single
target,
enables
rapid
identification
potential
peptides
from
large
libraries,
typically
approaches.
The
integration
artificial
intelligence
(AI)
has
transformed
leveraging
amounts
data.
AlphaFold
general
protein
prediction
deep
learning
greatly
improved
predictions
conformations
interactions,
addition
estimates
model
accuracy
at
each
residue
guide
interpretation.
Peptide
being
further
enhanced
Protein
Language
Models
(PLMs),
deep-learning-derived
statistical
learn
computer
representations
useful
identify
fundamental
patterns
proteins.
Recent
methodological
developments
discussed
context
canonical
as
well
those
modifications
cyclisations.
In
designing
therapeutics,
main
outstanding
challenge
for
these
methods
incorporation
diverse
non-canonical
acids