RCSB PDB
Deposit
Deposit via OneDep
Prepare Files via pdb_extract
Validate Structures
PDBx/mmCIF Dictionary Resources
Other Deposition Resources
Search
Advanced Search
Sequence Similarity Search
3D Similarity Search
Chemical Similarity Search
Browse by Annotations
New Entries
Unreleased Entries
PDB Statistics
Visualize
Mol* (MolStar)
Sequence Annotations Viewer
Genome View
Analyze
Pairwise Structure Alignment
Symmetry Resources in the PDB
Structure Quality
Grouping Structures
PDB Citation MeSH Network Explorer
PDB Statistics
EPPIC Biological Assemblies
External Data and Resources
Integrated Resources
Additional Resources
Download
Coordinates and Experimental Data
Sequences
Ligands
File Download Services
Web APIs
Learn
Training Courses
Guide to PDB Data
Molecule of the Month
Educational Resources
Curricula
Browse
News
SciArt Galleries
Irving Geis
David Goodsell
About
Contact Us
About RCSB PDB
Vision and Mission
Citation, Usage, Privacy Policies, Logo
News
PDB History
PDB50
User Community
Publications
RCSB PDB Advisory Committee
Team Members
Service Status
Careers
COVID-19
Help
Contact us
254,978
Structures from the PDB archive
1,062,058
Computed Structure Models (CSM)
☰
Navigation Tabs
Structure Summary
Structure
Annotations
Experiment
Sequence
Genome
Versions
22AZ
|
pdb_000022az
Display Files
FASTA Sequence
mmCIF Format
mmCIF Format (Header)
Legacy PDB Format
Legacy PDB Format (Header)
More on PDB File Formats
Download Files
FASTA Sequence
PDBx/mmCIF Format
PDBx/mmCIF Format (gz)
BinaryCIF Format (gz)
Legacy PDB Format
Legacy PDB Format (gz)
More on PDB File Formats
PDBML/XML Format (gz)
EM Map EMD-68142 (map - gz)
Validation Full (PDF - gz)
Validation (XML - gz)
Validation (CIF - gz)
Biological Assembly 1 (CIF - gz)
Data API
ICA-1103811 bound KCNQ2/3 heteromer with 3:1 stoichiometry, state 1
External Resource: Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Gene Ontology: Gene Product Annotation
Gene Ontology Database Homepage
Chains
Polymer
Molecular Function
Biological Process
Cellular Component
A
,
B
,
C
Potassium voltage-gated channel subfamily KQT member 2
cytoskeletal protein binding
ankyrin binding
protein binding
binding
calmodulin binding
monoatomic cation transmembrane transporter activity
gated channel activity
monoatomic ion channel activity
potassium ion transmembrane transporter activity
voltage-gated channel activity
voltage-gated monoatomic ion channel activity
potassium channel activity
voltage-gated monoatomic cation channel activity
monoatomic cation channel activity
cytoskeletal protein binding
ankyrin binding
protein binding
binding
calmodulin binding
monoatomic cation transmembrane transporter activity
gated channel activity
monoatomic ion channel activity
potassium ion transmembrane transporter activity
voltage-gated channel activity
voltage-gated monoatomic ion channel activity
potassium channel activity
voltage-gated monoatomic cation channel activity
monoatomic cation channel activity
passive transmembrane transporter activity
voltage-gated potassium channel activity
channel activity
monoatomic ion transmembrane transporter activity
transporter activity
metal ion transmembrane transporter activity
transmembrane transporter activity
Less
transport
monoatomic ion transmembrane transport
potassium ion transmembrane transport
establishment of localization
metal ion transport
monoatomic cation transmembrane transport
transmembrane transport
localization
monoatomic ion transport
potassium ion transport
cellular process
monoatomic cation transport
developmental process
multicellular organism development
transport
monoatomic ion transmembrane transport
potassium ion transmembrane transport
establishment of localization
metal ion transport
monoatomic cation transmembrane transport
transmembrane transport
localization
monoatomic ion transport
potassium ion transport
cellular process
monoatomic cation transport
developmental process
multicellular organism development
multicellular organismal process
anatomical structure development
nervous system development
system development
trans-synaptic signaling
synaptic signaling
regulation of biological process
signaling
anterograde trans-synaptic signaling
biological regulation
cell-cell signaling
chemical synaptic transmission
cell communication
action potential
regulation of biological quality
regulation of membrane potential
Less
cellular anatomical structure
membrane
axon
cell projection
main axon
neuron projection
node of Ranvier
plasma membrane bounded cell projection
synapse
cell junction
cell periphery
plasma membrane
axon initial segment
voltage-gated potassium channel complex
cellular anatomical structure
membrane
axon
cell projection
main axon
neuron projection
node of Ranvier
plasma membrane bounded cell projection
synapse
cell junction
cell periphery
plasma membrane
axon initial segment
voltage-gated potassium channel complex
protein-containing complex
plasma membrane protein complex
potassium channel complex
membrane protein complex
cation channel complex
transporter complex
transmembrane transporter complex
monoatomic ion channel complex
Less
D
Potassium voltage-gated channel subfamily KQT member 3
monoatomic cation transmembrane transporter activity
gated channel activity
monoatomic ion channel activity
potassium ion transmembrane transporter activity
voltage-gated channel activity
voltage-gated monoatomic ion channel activity
potassium channel activity
voltage-gated monoatomic cation channel activity
monoatomic cation channel activity
passive transmembrane transporter activity
voltage-gated potassium channel activity
channel activity
monoatomic ion transmembrane transporter activity
transporter activity
metal ion transmembrane transporter activity
monoatomic cation transmembrane transporter activity
gated channel activity
monoatomic ion channel activity
potassium ion transmembrane transporter activity
voltage-gated channel activity
voltage-gated monoatomic ion channel activity
potassium channel activity
voltage-gated monoatomic cation channel activity
monoatomic cation channel activity
passive transmembrane transporter activity
voltage-gated potassium channel activity
channel activity
monoatomic ion transmembrane transporter activity
transporter activity
metal ion transmembrane transporter activity
transmembrane transporter activity
protein binding
binding
calmodulin binding
Less
trans-synaptic signaling
regulation of biological process
signaling
biological regulation
cell-cell signaling
chemical synaptic transmission
cell communication
synaptic signaling
anterograde trans-synaptic signaling
cellular process
inhibitory chemical synaptic transmission
transport
monoatomic ion transmembrane transport
potassium ion transmembrane transport
trans-synaptic signaling
regulation of biological process
signaling
biological regulation
cell-cell signaling
chemical synaptic transmission
cell communication
synaptic signaling
anterograde trans-synaptic signaling
cellular process
inhibitory chemical synaptic transmission
transport
monoatomic ion transmembrane transport
potassium ion transmembrane transport
establishment of localization
metal ion transport
monoatomic cation transmembrane transport
transmembrane transport
localization
monoatomic ion transport
potassium ion transport
monoatomic cation transport
developmental process
multicellular organismal process
cellular developmental process
cell development
developmental maturation
nervous system development
generation of neurons
neurogenesis
multicellular organism development
neuron differentiation
neuron remodeling
anatomical structure maturation
cell differentiation
neuron development
anatomical structure development
neuron maturation
cell maturation
system development
import into cell
endocytosis
vesicle-mediated transport
establishment of protein localization
cellular localization
nucleocytoplasmic transport
nuclear transport
intracellular transport
protein localization to nucleus
intercellular transport
import into nucleus
establishment of protein localization to organelle
protein transport
establishment of localization in cell
macromolecule localization
protein localization to organelle
protein import into nucleus
intracellular protein localization
intracellular protein transport
substantia propria of cornea development
cellular response to stimulus
cellular response to metal ion
cellular response to chemical stimulus
response to stimulus
response to metal ion
response to chemical
cellular response to calcium ion
response to calcium ion
action potential initiation
action potential
regulation of biological quality
regulation of membrane potential
system process
nervous system process
transmission of nerve impulse
neuronal action potential
regulation of mitochondrial membrane potential
membrane depolarization
mitochondrial depolarization
response to auditory stimulus
response to mechanical stimulus
response to abiotic stimulus
response to external stimulus
biosynthetic process
metabolic process
macromolecule metabolic process
gene expression
macromolecule biosynthetic process
neuron apoptotic process
apoptotic process
cell death
programmed cell death
regulation of cellular process
protein-containing complex organization
cellular component organization
cellular component biogenesis
apoptotic signaling pathway
apoptosome assembly
cellular component assembly
protein-containing complex assembly
cellular component organization or biogenesis
signal transduction
membrane hyperpolarization
protein targeting
sensory perception
sensory perception of sound
sensory perception of mechanical stimulus
regulation of synaptic plasticity
regulation of signaling
modulation of chemical synaptic transmission
regulation of trans-synaptic signaling
regulation of cell communication
behavior
psychomotor behavior
motor behavior
cellular response to xenobiotic stimulus
response to xenobiotic stimulus
nerve development
excitatory chemical synaptic transmission
regulation of action potential
regulation of action potential firing threshold
secretion by cell
exocytosis
secretion
export from cell
Less
membrane-bounded organelle
intracellular organelle
cellular anatomical structure
intracellular anatomical structure
mitochondrion
organelle
cytoplasm
intracellular membrane-bounded organelle
axon
cell projection
main axon
neuron projection
node of Ranvier
plasma membrane bounded cell projection
membrane-bounded organelle
intracellular organelle
cellular anatomical structure
intracellular anatomical structure
mitochondrion
organelle
cytoplasm
intracellular membrane-bounded organelle
axon
cell projection
main axon
neuron projection
node of Ranvier
plasma membrane bounded cell projection
cell surface
cell periphery
plasma membrane
membrane
axon initial segment
voltage-gated potassium channel complex
protein-containing complex
plasma membrane protein complex
potassium channel complex
membrane protein complex
cation channel complex
transporter complex
transmembrane transporter complex
monoatomic ion channel complex
synapse
cell junction
Less
InterPro: Protein Family Classification
InterPro Database Homepage
Chains
Accession
Name
Type
A
,
B
,
C
IPR005821
Ion transport domain
Domain
A
,
B
,
C
IPR020969
Ankyrin-G binding site
Binding Site
A
,
B
,
C
IPR013821
Potassium channel, voltage dependent, KCNQ, C-terminal
Domain
A
,
B
,
C
IPR003947
Potassium channel, voltage dependent, KCNQ2
Family
A
,
B
,
C
IPR003937
Potassium channel, voltage dependent, KCNQ
Family
D
IPR003948
Potassium channel, voltage dependent, KCNQ3
Family
D
IPR013821
Potassium channel, voltage dependent, KCNQ, C-terminal
Domain
D
IPR003937
Potassium channel, voltage dependent, KCNQ
Family
D
IPR005821
Ion transport domain
Domain
D
IPR020969
Ankyrin-G binding site
Binding Site
Pharos: Disease Associations
Pharos Homepage Annotation
Chains
Drug Target  
Associated Disease
A
,
B
,
C
Pharos
: 
O43526
developmental and epileptic encephalopathy, 7
epilepsy
seizures, benign familial neonatal, 1
benign neonatal seizures
intellectual disability
brain disease
benign familial neonatal epilepsy
visual epilepsy
nervous system disorder
oligodendroglioma
developmental and epileptic encephalopathy, 1
pilocytic astrocytoma
developmental disability
schizophrenia
Epilepsy, Cryptogenic
developmental and epileptic encephalopathy, 7
epilepsy
seizures, benign familial neonatal, 1
benign neonatal seizures
intellectual disability
brain disease
benign familial neonatal epilepsy
visual epilepsy
nervous system disorder
oligodendroglioma
developmental and epileptic encephalopathy, 1
pilocytic astrocytoma
developmental disability
schizophrenia
Epilepsy, Cryptogenic
seizures, benign familial infantile, 3
seizures, benign familial neonatal, 2
atypical teratoid rhabdoid tumor
large cell medulloblastoma
subependymal giant cell astrocytoma
benign familial infantile epilepsy
malignant glioma
multiple sclerosis
chronic obstructive pulmonary disease
primitive neuroectodermal tumor
astrocytic tumor
glioblastoma
major affective disorder 2
malignant mesothelioma
nicotine dependence
developmental and epileptic encephalopathy
Pick disease
rolandic epilepsy
Lambert-Eaton myasthenic syndrome
malignant ependymoma
medulloblastoma
bipolar disorder
Less
D
Pharos
: 
O43525
seizures, benign familial neonatal, 2
benign neonatal seizures
juvenile myoclonic epilepsy
epilepsy
multiple sclerosis
Partial Epilepsy Treatment Adjunct
primitive neuroectodermal tumor
astrocytic tumor
benign familial infantile epilepsy
bipolar disorder
intellectual disability
large cell medulloblastoma
malignant mesothelioma
oligodendroglioma
Pick disease
seizures, benign familial neonatal, 2
benign neonatal seizures
juvenile myoclonic epilepsy
epilepsy
multiple sclerosis
Partial Epilepsy Treatment Adjunct
primitive neuroectodermal tumor
astrocytic tumor
benign familial infantile epilepsy
bipolar disorder
intellectual disability
large cell medulloblastoma
malignant mesothelioma
oligodendroglioma
Pick disease
schizophrenia
atypical teratoid rhabdoid tumor
benign familial neonatal epilepsy
EJM1
malignant ependymoma
medulloblastoma
ovarian cancer
pilocytic astrocytoma
autism spectrum disorder
glioblastoma
Lambert-Eaton myasthenic syndrome
malignant glioma
Less
About
About Us
Citing Us
Publications
Team
Careers
Usage & Privacy
Support
Contact Us
Help
Website FAQ
Glossary
Service Status
RCSB PDB is hosted by
RCSB PDB is a member of
RCSB Partners
Nucleic Acid Knowledgebase
wwPDB Partners
RCSB PDB
PDBe
PDBj
BMRB
EMDB