The genetic architecture of protein stability
Nature,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 25, 2024
Язык: Английский
Pervasive mislocalization of pathogenic coding variants underlying human disorders
Cell,
Год журнала:
2024,
Номер
187(23), С. 6725 - 6741.e13
Опубликована: Сен. 30, 2024
Язык: Английский
Genetics, energetics and allostery during a billion years of hydrophobic protein core evolution
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Май 12, 2024
Abstract
Protein
folding
is
driven
by
the
burial
of
hydrophobic
amino
acids
in
a
tightly-packed
core
that
excludes
water.
The
genetics,
biophysics
and
evolution
cores
are
not
well
understood,
part
because
lack
systematic
experimental
data
on
sequence
combinations
do
-
constitute
stable
functional
cores.
Here
we
randomize
protein
evaluate
their
stability
function
at
scale.
show
vast
numbers
acid
can
but
these
alternative
frequently
disrupt
allosteric
effects.
These
strong
effects
due
to
complicated,
highly
epistatic
fitness
landscapes
rather,
pervasive
nature
allostery,
with
many
individually
small
energy
changes
combining
function.
Indeed
both
ligand
binding
be
accurately
predicted
over
very
large
evolutionary
distances
using
additive
models
contribution
from
pairwise
energetic
couplings.
As
result,
trained
one
predict
across
hundreds
millions
years
evolution,
only
rare
couplings
experimentally
identify
limiting
transplantation
between
diverged
proteins.
Our
results
reveal
simple
architecture
suggest
allostery
major
constraint
evolution.
Язык: Английский
Revolutionizing large-scale DNA synthesis with microchip-based massive in parallel synthesis system
Опубликована: Окт. 31, 2024
Abstract
DNA
synthesis
serves
as
the
fundamental
enabling
technology
of
engineering
biology,
aiming
to
provide
molecules
designed
composition,
length,
and
complexity
at
scale
low
cost.
Current
high-throughput
technologies
rely
on
intricate
chip
manufacturing
microfluidic
systems
large-scale
synthetic
oligonucleotides,
expense
concentration
limited
compatibility
in
processing
longer
constructs
assembly.
Here,
we
report
a
microchip-based
massive
parallel
(mMPS),
pioneering
an
“identification-sorting-synthesis-recycling”
iteration
mechanism
microchips
for
high
throughput
synthesis.
In
comparison
microarray-based
methods,
demonstrate
that
our
method
can
increase
product
by
4
magnitudes
(to
picomole-scale
per
sequence)
greatly
simplifies
downstream
processes
gene
construction.
By
construction
1.97
million-diversity
variant
libraries
cover
1,254
human
protein
domains,
demonstrated
uniformity
constructed
using
mMPS-derived
oligos
is
improved,
with
amino
acid
distribution
highly
consistent
designed.
addition,
synthesizing
285
1kb-to-3kb
genes
varying
degrees
sequence
from
previously
reported
strains
A501
3DAC,
potential
ancestor
early
archaea
bacteria,
result
shows
overall
assembly
success
rate
increased
10-fold
other
methods.
Our
mMPS
holds
close
gap
between
quality
cost
writing
increasing
demand
across
many
sectors
research
industrial
activities.
Язык: Английский
Energetic portrait of the amyloid beta nucleation transition state
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 24, 2024
Amyloid
protein
aggregates
are
pathological
hallmarks
of
more
than
fifty
human
diseases
but
how
soluble
proteins
nucleate
to
form
amyloids
is
poorly
understood.
Here
we
use
combinatorial
mutagenesis,
a
kinetic
selection
assay,
and
machine
learning
massively
perturb
the
energetics
nucleation
reaction
amyloid
beta
(Aβ42),
that
in
Alzheimer's
disease.
In
total,
quantify
rates
>140,000
variants
Aβ42.
This
allows
us
accurately
changes
activation
energy
for
all
possible
amino
acid
substitutions
first
time
and,
addition,
>600
energetic
interactions
between
mutations.
The
data
reveal
simple
interpretable
genetic
architecture
an
reaction.
Strikingly,
strong
couplings
rare
identify
subset
structural
contacts
mature
fibrils.
Together
with
changes,
this
strongly
suggests
Aβ42
transition
state
structured
short
C-terminal
region,
providing
model
may
initiate
We
believe
approach
can
be
widely
applied
probe
structures
reactions.
Язык: Английский
Protein structural context of cancer mutations reveals molecular mechanisms and candidate driver genes
Cell Reports,
Год журнала:
2024,
Номер
43(11), С. 114905 - 114905
Опубликована: Окт. 22, 2024
Язык: Английский
A pharmacological chaperone stabilizer rescues the expression of the vast majority of pathogenic variants in a G protein-coupled receptor
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 29, 2024
Abstract
Reduced
protein
stability
is
the
most
frequent
mechanism
by
which
rare
missense
variants
cause
disease.
A
promising
therapeutic
avenue
for
treating
destabilizing
pharmacological
chaperones
(PCs,
also
known
as
correctors
or
stabilizers),
small
molecules
that
bind
to
and
stabilize
target
proteins.
PCs
have
been
approved
clinical
treatments
specific
variants,
but
energetics
suggest
their
effects
might
be
much
more
general.
Here,
we
test
this
hypothesis
first
time
comprehensively
quantifying
PC
efficacy
all
in
a
human
disease
gene,
vasopressin
2
receptor
(V2R),
G-protein
coupled
loss-of-function
nephrogenic
diabetes
insipidus
(NDI).
Strikingly,
treatment
with
rescues
expression
of
nearly
destabilized
non-rescued
identifying
drug’s
binding
site.
Our
results
provide
proof-of-principle
single
molecule
can
rescue
throughout
protein’s
structure.
The
application
principle
other
proteins
should
allow
development
effective
therapies
many
genetic
diseases.
Язык: Английский
Amino acid sequence encodes protein abundance shaped by protein stability at reduced synthesis cost
Protein Science,
Год журнала:
2024,
Номер
34(1)
Опубликована: Дек. 12, 2024
Abstract
Understanding
what
drives
protein
abundance
is
essential
to
biology,
medicine,
and
biotechnology.
Driven
by
evolutionary
selection,
an
amino
acid
sequence
tailored
meet
the
required
of
a
proteome,
underscoring
intricate
relationship
between
functional
demand.
Yet,
specific
role
sequences
in
determining
proteome
remains
elusive.
Here
we
show
that
alone
encodes
over
half
variation
across
all
domains
life,
ranging
from
bacteria
mouse
human.
With
attempt
go
beyond
predictions,
trained
manageable‐size
Transformer
model
interpret
latent
factors
predictive
abundances.
Intuitively,
model's
attention
focused
on
protein's
structural
features
linked
stability
metabolic
costs
related
synthesis.
To
probe
these
relationships,
introduce
MGEM
(Mutation
Guided
Embedded
Manifold),
methodology
for
guiding
through
modifications.
We
find
mutations
which
increase
predicted
have
significantly
altered
polarity
hydrophobicity,
connection
abundance.
Through
molecular
dynamics
simulations
revealed
abundance‐enhancing
possibly
contribute
thermostability
increasing
rigidity,
occurs
at
lower
synthesis
cost.
Язык: Английский