Structured protein domains enter the spotlight: modulators of biomolecular condensate form and function
Nathaniel Hess,
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Jerelle A. Joseph
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Trends in Biochemical Sciences,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Language: Английский
Frontiers in integrative structural modeling of macromolecular assemblies
QRB Discovery,
Journal Year:
2025,
Volume and Issue:
6
Published: Jan. 1, 2025
Abstract
Integrative
modeling
enables
structure
determination
for
large
macromolecular
assemblies
by
combining
data
from
multiple
experiments
with
theoretical
and
computational
predictions.
Recent
advancements
in
AI-based
prediction
cryo
electron-microscopy
have
sparked
renewed
enthusiasm
integrative
modeling;
structures
methods
can
be
integrated
situ
maps
to
characterize
assemblies.
This
approach
previously
allowed
us
others
determine
the
architectures
of
diverse
assemblies,
such
as
nuclear
pore
complexes,
chromatin
remodelers,
cell–cell
junctions.
Experimental
spanning
several
scales
was
used
these
studies,
ranging
high-resolution
data,
X-ray
crystallography
AlphaFold
structure,
low-resolution
cryo-electron
tomography
co-immunoprecipitation
experiments.
Two
recurrent
challenges
emerged
across
a
range
studies.
First,
contained
significant
fractions
disordered
regions,
necessitating
development
new
regions
context
ordered
regions.
Second,
needed
developed
utilize
information
tomography,
timely
challenge
structural
biology
is
increasingly
moving
towards
characterization.
Here,
we
recapitulate
recent
developments
proteins
analysis
highlight
other
opportunities
method
modeling.
Language: Английский
Accelerated Missense Mutation Identification in Intrinsically Disordered Proteins Using Deep Learning
Biomacromolecules,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 12, 2025
We
use
a
combination
of
Brownian
dynamics
(BD)
simulation
results
and
deep
learning
(DL)
strategies
for
the
rapid
identification
large
structural
changes
caused
by
missense
mutations
in
intrinsically
disordered
proteins
(IDPs).
used
∼6500
IDP
sequences
from
MobiDB
database
length
20–300
to
obtain
gyration
radii
BD
on
coarse-grained
single-bead
amino
acid
model
(HPS2
model)
us
others
[Dignon,
G.
L.
PLoS
Comput.
Biol.
2018,
14,
e1005941,Tesei,
Proc.
Natl.
Acad.
Sci.
U.S.A.
2021,
118,
e2111696118,Seth,
S.
J.
Chem.
Phys.
2024,
160,
014902]
generate
training
sets
DL
algorithm.
Using
⟨Rg⟩
simulated
IDPs
as
set,
we
develop
multilayer
perceptron
neural
net
(NN)
architecture
that
predicts
33
previously
studied
using
with
97%
accuracy
sequence
corresponding
parameters
HPS
model.
now
utilize
this
NN
predict
every
permutation
IDPs.
Our
approach
successfully
identifies
mutation-prone
regions
induce
significant
alterations
radius
when
compared
wild-type
sequence.
further
validate
prediction
running
simulations
subset
identified
mutants.
The
network
yields
(104–106)-fold
faster
computation
search
space
potentially
harmful
mutations.
findings
have
substantial
implications
understanding
diseases
related
development
potential
therapeutic
interventions.
method
can
be
extended
accurate
predictions
other
mutation
effects
proteins.
Language: Английский