bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 23, 2024
Abstract
Molecular
glues
represent
an
innovative
class
of
drugs
that
enable
previously
impossible
protein-protein
interactions,
but
their
rational
design
remains
challenging,
a
problem
accurate
ternary
complex
modeling
can
significantly
address.
Here
we
present
YDS-Ternoplex,
novel
computational
approach
enhances
AlphaFold
3-type
models
by
incorporating
enhanced
sampling
inductive
bias
during
inference
to
accurately
predict
molecular
glue-mediated
structures.
We
demonstrate
YDS-Ternoplex’s
capabilities
across
five
diverse
test
cases,
including
both
E3
ligase-based
systems
(VHL:CDO1
and
CRBN
complexes
with
mTOR-FRB,
NEK7,
VAV1-SH3c)
non-E3
ligase
(FKBP12:mTOR-FRB).
The
model
achieves
remarkable
accuracy
RMSD
values
as
low
1.303
Å
compared
experimental
structures
successfully
predicts
interfaces
not
in
training
data.
Notably,
the
FKBP12:mTOR-FRB
case,
YDS-Ternoplex
correctly
interface
configuration
instead
defaulting
known
interactions
data,
demonstrating
strong
generalization
capabilities.
Our
results
suggest
strategic
enhancement
process
through
improve
prediction
accuracy,
potentially
accelerating
development
glue
therapeutics
for
undruggable
targets.
Journal of the American Society for Mass Spectrometry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 15, 2025
Molecular
glues
(MGs)
and
proteolysis-targeting
chimeras
(PROTACs)
are
used
to
modulate
protein–protein
interactions
(PPIs),
via
induced
proximity
between
compounds
that
have
little
or
no
affinity
for
each
other
naturally.
They
promote
either
reversible
inhibition
selective
degradation
of
a
target
protein,
including
ones
deemed
undruggable
by
traditional
therapeutics.
Though
native
MS
(nMS)
is
capable
analyzing
multiprotein
complexes,
the
behavior
these
artificially
in
gas
phase
still
not
fully
understood,
number
publications
over
past
few
years
rather
limited.
Here,
we
studied
two
MG-induced
complexes
mTORFRB
FKBP12
as
well
PROTAC-induced
complex
FKBP51FK1
von
Hippel-Lindau
E3
ligase
(VHL).
Native
combined
with
collision-induced
dissociation
(CID)
provided
way
measuring
only
formation
but
also
their
pathways.
Both
protein
seem
eject
preferably
centrally
located
small
(compared
mass
proteins)
ligand
upon
CID,
than
dissociating
peripheral
subunit,
often
observed
naturally
occurring
complexes.
In
contrast,
chemically
solution
generated
complementary
data
disrupting
PPI
surface,
which
resulted
more
diverse
spectra
preserved
stronger
solution.
Journal of Medicinal Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 24, 2025
The
discovery
of
molecular
glues
has
made
significant
strides,
unlocking
new
avenues
for
targeted
protein
degradation
as
a
therapeutic
strategy,
thereby
expanding
the
scope
drug
into
territories
previously
considered
undruggable.
Pioneering
molecules
like
thalidomide
and
its
derivatives
have
paved
way
development
small
that
can
induce
specific
by
hijacking
cellular
ubiquitin–proteasome
system.
Recent
advancements
focused
on
range
E3
ligases
target
proteins
be
modulated
glues.
Structural
elucidation
ligase
in
complex
with
glue
interest,
combined
computational
modeling,
facilitates
understanding
underlying
mechanisms
how
degradation.
By
leveraging
these
tools,
next
generation
are
expected
to
offer
unprecedented
opportunities
combating
wide
diseases,
including
cancer,
autoimmune
disorders,
neurodegenerative
conditions.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(45), P. 31451 - 31465
Published: Nov. 1, 2024
Modulating
protein–protein
interactions
(PPIs)
is
an
attractive
strategy
in
drug
discovery.
Molecular
glues,
bifunctional
small-molecule
drugs
that
promote
PPIs,
offer
approach
to
targeting
traditionally
undruggable
targets.
However,
the
efficient
discovery
of
molecular
glues
has
been
hampered
by
current
limitations
conventional
ensemble-averaging-based
methods.
In
this
study,
we
present
a
YaxAB
nanopore
for
probing
efficacy
inducing
PPIs.
Using
nanopores,
demonstrate
single-molecule-based,
label-free
monitoring
protein
complex
formation
between
mammalian
target
rapamycin
(mTOR)
and
FK506-binding
proteins
(FKBPs)
triggered
glue,
rapamycin.
Owing
its
wide
entrance
adjustable
pore
size,
combination
with
potent
electro-osmotic
flow
(EOF),
single
funnel-shaped
enables
simultaneous
detection
single-molecule-level
quantification
multiprotein
states,
including
proteins,
binary
complexes,
ternary
complexes
induced
Notably,
nanopores
could
sensitively
discriminate
or
analogues,
despite
subtle
size
differences
∼122
∼116
Da,
respectively.
Taken
together,
our
results
provide
proof-of-concept
label-free,
ultrasensitive
screening
structure–activity
relationship
(SAR)
analysis
which
will
contribute
low-cost,
highly
discovery,
rational
design
modality
drugs,
such
as
glues.
Biochemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
G-protein-coupled
receptors
(GPCRs)
transmit
an
extracellular
chemical/biological
signal
across
the
cell
membrane,
stimulating
array
of
intracellular
signaling
cascades.
Canonically,
these
molecules
bind
to
endogenous
ligand
pocket
(orthosteric
pocket),
which
stabilizes
either
active
or
inactive
conformational
ensemble
receptor.
However,
recent
structural
evidence
indicates
that
small
can
mediate
protein–protein
interactions
between
GPCR
and
their
transducers.
These
are
reminiscent
molecular
glues
be
powerful
tools
for
modulating
bias.
In
this
Perspective,
we
will
investigate
current
information
available
on
how
they
modulate
We
also
examine
prospects
drug/probe
design.
Royal Society of Chemistry eBooks,
Journal Year:
2025,
Volume and Issue:
unknown, P. 134 - 156
Published: Feb. 21, 2025
Targeted
protein
degradation
(TPD)
provides
new
therapeutic
opportunities
beyond
traditional
inhibitors.
TPD
relies
on
the
ability
to
induce
proximity
between
an
E3
ligase
and
target
of
interest,
harnessing
ubiquitin
proteasome
system
ubiquitylate
degrade
target.
This
can
be
induced
by
either
monofunctional
ligands
(molecular
glues)
or
bifunctional
molecules
that
tether
ligases
together.
DNA
encoded
libraries
(DELs)
provide
rapid
access
diverse
chemical
space
for
ligand
discovery
and,
their
design,
facilitate
development
both
molecular
glues
degraders.
RSC Medicinal Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Efficiency
metrics
are
useful
in
medicinal
chemistry
to
track
small
molecule
progress
lead
optimization
(LO).
Molecular
glue
degraders
molecules
that
mediate
targeted
protein
degradation
by
chemically
inducing
proximity
between
an
E3
ligase
and
a
target.
The
potency
depth
of
important
factors
identifying
molecular
drug
candidates.
We
developed
efficiency
based
on
both
objectives.
applied
these
retrospectively
clinical
degrader
series,
resulting
the
identification
Golcadomide
(CC-99282).
This
work
illustrates
beneficial
for