7JJP | pdb_00007jjp

Sheep Connexin-50 at 1.9 angstroms resolution by CryoEM

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	SCOP2B Superfamily	Claudin-like	8092545	3002606	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Claudin-like	8092545	3002606	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Claudin-like	8092545	3002606	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Claudin-like	8092545	3002606	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Claudin-like	8092545	3002606	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Claudin-like	8092545	3002606	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Claudin-like	8092545	3002606	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	Claudin-like	8092545	3002606	SCOP2B (2022-06-29)
L	SCOP2B Superfamily	Claudin-like	8092545	3002606	SCOP2B (2022-06-29)
K	SCOP2B Superfamily	Claudin-like	8092545	3002606	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Claudin-like	8092545	3002606	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Claudin-like	8092545	3002606	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Connexin	e7jjpA1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: Connexin	ECOD (1.6)
B	Connexin	e7jjpB1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: Connexin	ECOD (1.6)
C	Connexin	e7jjpC1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: Connexin	ECOD (1.6)
E	Connexin	e7jjpE1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: Connexin	ECOD (1.6)
F	Connexin	e7jjpF1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: Connexin	ECOD (1.6)
G	Connexin	e7jjpG1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: Connexin	ECOD (1.6)
I	Connexin	e7jjpI1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: Connexin	ECOD (1.6)
J	Connexin	e7jjpJ1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: Connexin	ECOD (1.6)
L	Connexin	e7jjpL1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: Connexin	ECOD (1.6)
K	Connexin	e7jjpK1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: Connexin	ECOD (1.6)
H	Connexin	e7jjpH1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: Connexin	ECOD (1.6)
D	Connexin	e7jjpD1	A: alpha bundles	X: Connexin 26 (From Topology)	H: Connexin 26 (From Topology)	T: Connexin 26	F: Connexin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1440.80	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Gap junction channel protein cysteine-rich domain	CATH (utative)
B	1.20.1440.80	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Gap junction channel protein cysteine-rich domain	CATH (utative)
C	1.20.1440.80	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Gap junction channel protein cysteine-rich domain	CATH (utative)
E	1.20.1440.80	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Gap junction channel protein cysteine-rich domain	CATH (utative)
F	1.20.1440.80	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Gap junction channel protein cysteine-rich domain	CATH (utative)
G	1.20.1440.80	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Gap junction channel protein cysteine-rich domain	CATH (utative)
I	1.20.1440.80	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Gap junction channel protein cysteine-rich domain	CATH (utative)
J	1.20.1440.80	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Gap junction channel protein cysteine-rich domain	CATH (utative)
L	1.20.1440.80	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Gap junction channel protein cysteine-rich domain	CATH (utative)
K	1.20.1440.80	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Gap junction channel protein cysteine-rich domain	CATH (utative)
H	1.20.1440.80	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Gap junction channel protein cysteine-rich domain	CATH (utative)
D	1.20.1440.80	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Gap junction channel protein cysteine-rich domain	CATH (utative)

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	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 cellular process establishment of localization regulation of biological process signaling biological regulation cell-cell signaling 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)	Family
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 in nanodiscs. Cx-50

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.