Annotations: 8F7C

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e8f7cA1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e8f7cB1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: F_UNCLASSIFIED	ECOD (1.6)
C	F_UNCLASSIFIED	e8f7cC1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: F_UNCLASSIFIED	ECOD (1.6)
D	F_UNCLASSIFIED	e8f7cD1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: F_UNCLASSIFIED	ECOD (1.6)
E	F_UNCLASSIFIED	e8f7cE1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: F_UNCLASSIFIED	ECOD (1.6)
F	F_UNCLASSIFIED	e8f7cF1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: F_UNCLASSIFIED	ECOD (1.6)
G	F_UNCLASSIFIED	e8f7cG1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: F_UNCLASSIFIED	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G	PF00876	Innexin (Innexin)	Innexin	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G	Pannexin-2, Soluble cytochrome b562 fusion	structural molecule activity wide pore channel activity passive transmembrane transporter activity channel activity transporter activity transmembrane transporter activity binding organic cyclic compound binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding structural molecule activity wide pore channel activity passive transmembrane transporter activity channel activity transporter activity transmembrane transporter activity binding organic cyclic compound binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	multicellular organismal process regulation of cellular process interleukin-1 production cellular biosynthetic process positive regulation of biological process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process regulation of cytokine production cytokine production positive regulation of interleukin-1 production regulation of multicellular organismal process positive regulation of macromolecule metabolic process multicellular organismal process regulation of cellular process interleukin-1 production cellular biosynthetic process positive regulation of biological process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process regulation of cytokine production cytokine production positive regulation of interleukin-1 production regulation of multicellular organismal process positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of biosynthetic process regulation of biological process regulation of interleukin-1 production cellular metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression positive regulation of multicellular organismal process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process positive regulation of cytokine production regulation of metabolic process positive regulation of cellular biosynthetic process transmembrane transport localization transport monoatomic ion transmembrane transport monoatomic ion transport establishment of localization signaling cell-cell signaling cell communication monoatomic cation transport response to stimulus response to stress response to ischemia electron transport chain generation of precursor metabolites and energy	cell periphery plasma membrane membrane cellular anatomical entity membrane-bounded organelle Golgi membrane intracellular anatomical structure Golgi apparatus intracellular membrane-bounded organelle endomembrane system intracellular organelle bounding membrane of organelle organelle cytoplasm cell periphery plasma membrane membrane cellular anatomical entity membrane-bounded organelle Golgi membrane intracellular anatomical structure Golgi apparatus intracellular membrane-bounded organelle endomembrane system intracellular organelle bounding membrane of organelle organelle cytoplasm organelle membrane organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G	IPR039099	Pannexin	Family
A, B, C, D, E A, B, C, D, E, F, G	IPR000990	Innexin	Family
A, B, C, D, E A, B, C, D, E, F, G	IPR010980	Cytochrome c/b562	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G	IPR009155	Cytochrome b562	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D, E A, B, C, D, E, F, G	Pharos: Q96RD6	atypical teratoid rhabdoid tumor glioblastoma malignant glioma multiple sclerosis primitive neuroectodermal tumor bipolar disorder large cell medulloblastoma Malignant neoplasm of breast osteosarcoma schizophrenia endogenous depression malignant ependymoma medulloblastoma pilocytic astrocytoma subependymal giant cell astrocytoma

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D, E A, B, C, D, E, F, G	OPM	Transmembrane	Alpha-helical polytopic	Tetraspan junctional complexes	Innexin

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D, E A, B, C, D, E, F, G	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Other Ion Channels	Pannexin 2 (Panx2) large pore ATP release channel

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.