Annotations: 9MEL

Structure of the human TWIK-2 potassium channel in complex with pimozide

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: MemProtMD

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e9melB1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: Hypothetical protein YqbG-like	F:	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF07885	Ion channel (Ion_trans_2)	Ion channel	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Potassium channel subfamily K member 6	monoatomic cation transmembrane transporter activity potassium ion transmembrane transporter activity monoatomic ion channel activity potassium ion leak channel activity potassium channel activity monoatomic cation channel activity passive transmembrane transporter activity narrow pore channel activity leak channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity potassium ion transmembrane transporter activity monoatomic ion channel activity potassium ion leak channel activity potassium channel activity monoatomic cation channel activity passive transmembrane transporter activity narrow pore channel activity leak channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity inward rectifier potassium channel activity gated channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity voltage-gated potassium channel activity ligand-gated monoatomic cation channel activity cation binding ion binding binding metal ion binding small molecule binding outward rectifier potassium channel activity	localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport cellular response to stimulus positive regulation of cell communication positive regulation of response to biotic stimulus regulation of cellular process positive regulation of signal transduction pattern recognition receptor signaling pathway response to stimulus localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport cellular response to stimulus positive regulation of cell communication positive regulation of response to biotic stimulus regulation of cellular process positive regulation of signal transduction pattern recognition receptor signaling pathway response to stimulus regulation of NLRP3 inflammasome complex assembly positive regulation of NLRP3 inflammasome complex assembly regulation of signal transduction response to biotic stimulus intracellular signal transduction cell communication cellular component biogenesis immune response-activating signaling pathway cellular component assembly inflammasome-mediated signaling pathway positive regulation of immune response canonical inflammasome complex assembly regulation of immune system process signal transduction positive regulation of immune system process innate immune response-activating signaling pathway regulation of biological process positive regulation of pattern recognition receptor signaling pathway immune response response to other organism regulation of innate immune response response to external stimulus positive regulation of intracellular signal transduction positive regulation of inflammasome-mediated signaling pathway regulation of inflammasome-mediated signaling pathway regulation of response to stimulus defense response to other organism regulation of pattern recognition receptor signaling pathway NLRP3 inflammasome complex assembly positive regulation of defense response activation of innate immune response regulation of immune response inflammatory response activation of immune response cytoplasmic pattern recognition receptor signaling pathway regulation of defense response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms regulation of cellular component organization positive regulation of cellular component organization regulation of response to external stimulus intracellular receptor signaling pathway signaling positive regulation of biological process regulation of cytoplasmic pattern recognition receptor signaling pathway positive regulation of response to stimulus cellular component organization regulation of protein-containing complex assembly positive regulation of protein-containing complex assembly positive regulation of response to external stimulus immune response-regulating signaling pathway regulation of intracellular signal transduction regulation of response to stress response to stress innate immune response protein-containing complex assembly response to external biotic stimulus cellular component organization or biogenesis positive regulation of cellular process regulation of signaling positive regulation of innate immune response defense response protein-containing complex organization positive regulation of cellular component biogenesis biological regulation defense response to symbiont regulation of cellular component biogenesis immune system process regulation of cell communication cellular process positive regulation of signaling monoatomic ion transmembrane transport potassium ion transmembrane transport monoatomic cation transmembrane transport transmembrane transport regulation of lysosome size regulation of cellular component size regulation of biological quality regulation of anatomical structure size	vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle lysosomal membrane cytoplasm vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle lysosomal membrane cytoplasm organelle membrane lysosome cell periphery plasma membrane endosome membrane endosome intracellular vesicle late endosome membrane endomembrane system cytoplasmic vesicle membrane cytoplasmic vesicle vesicle membrane late endosome vesicle 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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR003280	Two pore domain potassium channel	Family
A, B	IPR005408	Two pore domain potassium channel, TWIK family	Family
A, B	IPR005409	Two pore domain potassium channel, TWIK-2	Family
A, B	IPR003092	Two pore domain potassium channel, TASK family	Family
A, B	IPR013099	Potassium channel domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	: Q9Y257	atopic eczema osteosarcoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia ulcerative colitis Crohn disease pancreatic intraductal papillary-mucinous carcinoma prostate carcinoma gastric carcinoma pancreatic intraductal papillary-mucinous neoplasm psoriasis

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B	MemProtMD	Annotated as membrane protein by MemProtMD

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.