bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Dec. 8, 2023
Abstract
The
structures
of
metalloproteins
are
essential
for
comprehending
their
functions
and
interactions.
breakthrough
AlphaFold
has
made
it
possible
to
predict
protein
with
experimental
accuracy.
However,
the
type
metal
ion
that
a
metalloprotein
binds
binding
structure
still
not
readily
available,
even
predicted
structure.
In
this
study,
we
present
DisDock,
physics-driven
deep
learning
method
predicting
protein-metal
docking.
DisDock
takes
distogram
randomly
initialized
protein-ligand
configuration
as
input
outputs
complex.
It
combines
U-net
architecture
self-attention
modules
enhance
model
performance.
Taking
inspiration
from
physical
principle
atoms
in
closer
proximity
display
stronger
mutual
attraction,
predictor
capitalizes
on
geometric
information
uncover
latent
characteristics
indicative
atom
To
train
our
model,
employ
high-quality
dataset
sourced
Mother
All
Databases
(MOAD).
Experimental
results
demonstrate
approach
outperforms
other
existing
methods
prediction
accuracy
various
types
ions.
Molecules and Cells,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100191 - 100191
Published: Feb. 1, 2025
Metal
coordination
is
essential
for
structural/catalytic
functions
of
metalloproteins
that
mediate
a
wide
range
biological
processes
in
living
organisms.
Advances
bioinformatics
have
significantly
enhanced
our
understanding
metal-binding
sites
and
their
functional
roles
metalloproteins.
State-of-the-art
computational
models
developed
seamlessly
integrate
protein
sequence
structural
data
to
unravel
the
complexities
metal
environments.
Our
goal
this
mini-review
give
an
overview
these
tools
highlight
current
challenges
(predicting
dynamic
sites,
determining
metalation
states,
designing
intricate
networks)
remaining
predictive
sites.
Addressing
will
not
only
deepen
knowledge
natural
but
also
accelerate
development
artificial
with
novel
precisely
engineered
functionalities.
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(38)
Published: Sept. 9, 2024
Modern
life
requires
many
different
metal
ions,
which
enable
diverse
biochemical
functions.
It
is
commonly
assumed
that
ions’
environmental
availabilities
controlled
the
evolution
of
early
life.
We
argue
can
only
explore
chemistry
encounters,
and
fortuitous
chemical
interactions
between
ions
biological
compounds
be
selected
for
if
they
first
occur
sufficiently
frequently.
calculated
maximal
transition
ion
concentrations
in
ancient
ocean,
determining
amounts
biologically
important
were
orders
magnitude
lower
than
ferrous
iron.
Under
such
conditions,
primitive
bioligands
would
predominantly
interact
with
Fe(II).
While
other
metals
certain
environments
may
have
provided
evolutionary
opportunities,
capacities
Fe(II),
Fe–S
clusters,
or
plentiful
magnesium
calcium
could
satisfied
all
functions
needed
by
Primitive
organisms
used
Fe(II)
exclusively
their
requirements.
Chemical Science,
Journal Year:
2023,
Volume and Issue:
14(8), P. 2054 - 2069
Published: Jan. 1, 2023
Metalloproteins
play
essential
roles
in
various
biological
processes
ranging
from
reaction
catalysis
to
free
radical
scavenging,
and
they
are
also
pertinent
numerous
pathologies
including
cancer,
HIV
infection,and
inflammation.
Acta Crystallographica Section D Structural Biology,
Journal Year:
2024,
Volume and Issue:
80(5), P. 362 - 376
Published: April 29, 2024
Metalloproteins
are
ubiquitous
in
all
living
organisms
and
take
part
a
very
wide
range
of
biological
processes.
For
this
reason,
their
experimental
characterization
is
crucial
to
obtain
improved
knowledge
structure
functions.
The
three-dimensional
represents
highly
relevant
information
since
it
provides
insight
into
the
interaction
between
metal
ion(s)
protein
fold.
Such
interactions
determine
chemical
reactivity
bound
metal.
available
PDB
structures
can
contain
errors
due
factors
such
as
poor
resolution
radiation
damage.
A
lack
use
distance
restraints
during
refinement
validation
process
also
impacts
quality.
Here,
aim
was
thorough
overview
distribution
distances
ions
donor
atoms
through
statistical
analysis
data
set
based
on
more
than
115
000
metal-binding
sites
proteins.
This
not
only
produced
reference
that
be
used
by
experimentalists
support
structure-determination
process,
for
example
restraints,
but
resulted
an
how
coordination
occurs
different
metals
nature
binding
interactions.
In
particular,
features
carboxylate
were
inspected,
which
type
commonly
present
nearly
metals.
Proteins Structure Function and Bioinformatics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 22, 2025
ABSTRACT
The
structures
of
metalloproteins
are
essential
for
comprehending
their
functions
and
interactions.
breakthrough
AlphaFold
has
made
it
possible
to
predict
protein
with
experimental
accuracy.
However,
the
type
metal
ion
that
a
metalloprotein
binds
binding
structure
still
not
readily
available,
even
predicted
structure.
In
this
study,
we
present
DisDock,
deep
learning
method
predicting
protein‐metal
docking.
DisDock
takes
distogram
randomly
initialized
protein‐ligand
configuration
as
input
outputs
complex.
It
combines
U‐net
architecture
self‐attention
modules
enhance
model
performance.
Taking
inspiration
from
physical
principle
atoms
in
closer
proximity
display
stronger
mutual
attraction,
predictor
capitalizes
on
geometric
information
uncover
latent
characteristics
indicative
atom
To
train
our
model,
employ
high‐quality
dataset
sourced
Mother
All
Databases
(MOAD).
Experimental
results
demonstrate
approach
outperforms
other
existing
methods
prediction
accuracy
various
types
ions.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 10, 2025
Abstract
Nature-inspired
or
biomimetic
catalyst
aims
to
reach
the
high
catalytic
performance
and
selectivity
of
natural
enzymes
while
possessing
chemical
stability
processability
synthetic
catalysts.
A
promising
strategy
for
designing
catalysts
holds
on
mimicking
structure
enzyme
active
site.
This
can
either
entail
complicated
total
synthesis
a
design
peptide
sequences,
able
self-assemble
in
presence
metal
ions,
thus
forming
metallo-peptide
complexes
that
mimic
sites
enzymes.
Using
bioinformatics
approach,
we
designed
minimal
made
up
eight
amino
acids
(H4pep)
act
as
functional
trinuclear
Cu
site
laccase
enzyme.
Cu(II)
binding
H4pep
results
formation
Cu2+(H4pep)2
complex
with
β-sheet
secondary
structure,
reduce
O2.
Our
study
demonstrates
viability
potential
using
short
peptides
Teaser
peptide,
via
bioinformatics,
effectively
mimics
copper
O₂
reduction.
MAIN
TEXT
mSystems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 10, 2025
ABSTRACT
Selenoproteins
are
a
special
group
of
proteins
with
major
roles
in
cellular
antioxidant
defense.
They
contain
the
21st
amino
acid
selenocysteine
(Sec)
active
sites,
which
is
encoded
by
an
in-frame
UGA
codon.
Compared
to
eukaryotes,
identification
selenoprotein
genes
bacteria
remains
challenging
due
absence
effective
strategy
for
distinguishing
Sec-encoding
codon
from
normal
stop
signal.
In
this
study,
we
have
developed
deep
learning-based
algorithm,
deep-Sep,
quickly
and
precisely
identifying
bacterial
genomic
sequences.
This
algorithm
uses
Transformer-based
neural
network
architecture
construct
optimal
model
detecting
codons
homology
search-based
remove
additional
false
positives.
During
training
testing
stages,
deep-Sep
has
demonstrated
commendable
performance,
including
F
1
score
0.939
area
under
receiver
operating
characteristic
curve
0.987.
Furthermore,
when
applied
20
genomes
as
independent
test
data
sets,
exhibited
remarkable
capability
both
known
new
genes,
significantly
outperforms
existing
state-of-the-art
method.
Our
proved
be
powerful
tool
comprehensively
characterizing
genomes,
should
not
only
assist
accurate
annotation
genome
sequencing
projects
but
also
provide
insights
deeper
understanding
selenium
bacteria.
IMPORTANCE
Selenium
essential
micronutrient
present
selenoproteins
form
Sec,
rare
opal
UGA.
Identification
all
vital
importance
investigating
functions
nature.
Previous
strategies
predicting
mainly
relied
on
cis
-acting
Sec
insertion
sequence
(SECIS)
element
within
mRNAs.
However,
complexity
variability
SECIS
elements,
recognition
still
challenge
genomes.
We
predict
sequences,
demonstrates
superior
performance
compared
currently
available
methods.
can
utilized
either
web-based
or
local
(standalone)
modes,
serving
promising
complete
set
Journal of Chemical Information and Modeling,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 15, 2025
Metalloproteins
play
crucial
physiological
roles
across
all
domains
of
life,
relying
on
metal
ions
for
structural
stability
and
catalytic
activity.
In
recent
years,
computational
approaches
have
emerged
as
powerful
increasingly
reliable
tools
predicting
metal-binding
sites
in
metalloproteins,
enabling
their
application
the
challenging
field
metalloproteomics.
Given
growing
number
available
tools,
it
is
timely
to
design
a
reproducible
approach
characterize
performance
specific
usage
scenarios.
Thus,
this
study,
we
selected
some
state-of-the-art
structure-based
predictors
zinc-binding
evaluated
two
data
sets:
experimental
apoprotein
structures
models
generated
by
AlphaFold.
Our
results
indicate
that
pose
significant
challenges
sites.
For
these
systems,
achieved
lower-than-expected
due
rearrangements
occurring
upon
metalation.
Conversely,
predictions
based
AlphaFold
yielded
significantly
better
results,
suggesting
they
more
closely
resemble
holo
forms
metalloproteins.
findings
highlight
great
potential
site
advancing
research
Journal of Chemical Information and Modeling,
Journal Year:
2024,
Volume and Issue:
64(5), P. 1581 - 1592
Published: Feb. 19, 2024
Metalloproteins
play
a
fundamental
role
in
molecular
biology,
contributing
to
various
biological
processes.
However,
the
discovery
of
high-affinity
ligands
targeting
metalloproteins
has
been
delayed
due,
part,
lack
suitable
tools
and
data.
Molecular
docking,
widely
used
technique
for
virtual
screening
small-molecule
ligand
interactions
with
proteins,
often
faces
challenges
when
applied
due
particular
nature
metal
bond.
To
address
these
limitations
associated
docking
metalloproteins,
we
introduce
knowledge-driven
approach
known
as
"metalloprotein
bias
docking"
(MBD),
which
extends
AutoDock
Bias
technique.
We
assembled
comprehensive
data
set
metalloprotein-ligand
complexes
from
15
different
metalloprotein
families,
encompassing
Ca,
Co,
Fe,
Mg,
Mn,
Zn
ions.
Subsequently,
conducted
performance
analysis
our
MBD
method
compared
it
conventional
(CD)
program
AutoDock4,
targets
within
set.
Our
results
demonstrate
that
outperforms
CD,
significantly
enhancing
accuracy,
selectivity,
precision
pose
prediction.
Additionally,
observed
positive
correlation
between
predicted
free
energies
corresponding
experimental
values.
These
findings
underscore
potential
valuable
tool
effective
exploration
interactions.