Annotations: 6MHY

Structure of connexin-50 intercellular gap junction channel at 3.4 angstrom resolution by cryoEM

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Connexin-like	8079721	4005615	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Claudin-like	8092545	3002606	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
L	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e6mhyL1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
K	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e6mhyK1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
J	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e6mhyJ1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
I	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e6mhyI1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
H	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e6mhyH1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
G	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e6mhyG1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
F	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e6mhyF1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
E	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e6mhyE1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
D	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e6mhyD1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
C	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e6mhyC1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
B	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e6mhyB1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
A	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e6mhyA1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	PF00029	Connexin (Connexin)	Connexin	Connexin proteins form gap-junctions between cells. They carry four transmembrane regions, hence why this family now includes Connexin_CCC, which represented the second pair of TMs.	Domain

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, H, I, J, K, L	Gap junction alpha-8 protein, connexin-50	wide pore channel activity passive transmembrane transporter activity channel activity transporter activity gap junction channel activity transmembrane transporter activity	gap junction-mediated intercellular transport localization intercellular transport transport establishment of localization regulation of biological process signaling biological regulation cell-cell signaling cellular process cell communication	cell-cell junction protein-containing complex anchoring junction plasma membrane protein complex gap junction membrane plasma membrane membrane protein complex cell periphery cellular anatomical structure cell junction connexin complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	IPR038359	Connexin, N-terminal domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	IPR002266	Gap junction alpha-8 protein (Cx50), C-terminal	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	IPR000500	Connexin	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	IPR019570	Connexin, cysteine-rich domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	IPR017990	Connexin, conserved site	Conserved Site
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	IPR013092	Connexin, N-terminal	Domain

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, H, I, J, K, L	OPM	Transmembrane	Alpha-helical polytopic	Tetraspan junctional complexes	Connexin

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	MemProtMD	Annotated as membrane protein by MemProtMD

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, H, I, J, K, L	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Gap Junctions and Related Channels	connexin (Cx)-46/50 intercellular gap junction channels. Cx46 channel

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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.