Structure of connexin43/Cx43/GJA1 gap junction intercellular channel in POPE/CHS nanodiscs at pH ~8.0
External Resource: Annotation
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| L | Connexin | e7xqbL1 | A: alpha bundles | X: Connexin 26 (From Topology) | H: Connexin 26 (From Topology) | T: Connexin 26 | F: Connexin | ECOD (1.6) |
| K | Connexin | e7xqbK1 | A: alpha bundles | X: Connexin 26 (From Topology) | H: Connexin 26 (From Topology) | T: Connexin 26 | F: Connexin | ECOD (1.6) |
| J | Connexin | e7xqbJ1 | A: alpha bundles | X: Connexin 26 (From Topology) | H: Connexin 26 (From Topology) | T: Connexin 26 | F: Connexin | ECOD (1.6) |
| I | Connexin | e7xqbI1 | A: alpha bundles | X: Connexin 26 (From Topology) | H: Connexin 26 (From Topology) | T: Connexin 26 | F: Connexin | ECOD (1.6) |
| H | Connexin | e7xqbH1 | A: alpha bundles | X: Connexin 26 (From Topology) | H: Connexin 26 (From Topology) | T: Connexin 26 | F: Connexin | ECOD (1.6) |
| G [auth F] | Connexin | e7xqbF1 | A: alpha bundles | X: Connexin 26 (From Topology) | H: Connexin 26 (From Topology) | T: Connexin 26 | F: Connexin | ECOD (1.6) |
| F [auth E] | Connexin | e7xqbE1 | A: alpha bundles | X: Connexin 26 (From Topology) | H: Connexin 26 (From Topology) | T: Connexin 26 | F: Connexin | ECOD (1.6) |
| E [auth D] | Connexin | e7xqbD1 | A: alpha bundles | X: Connexin 26 (From Topology) | H: Connexin 26 (From Topology) | T: Connexin 26 | F: Connexin | ECOD (1.6) |
| D [auth C] | Connexin | e7xqbC1 | A: alpha bundles | X: Connexin 26 (From Topology) | H: Connexin 26 (From Topology) | T: Connexin 26 | F: Connexin | ECOD (1.6) |
| C [auth B] | Connexin | e7xqbB1 | A: alpha bundles | X: Connexin 26 (From Topology) | H: Connexin 26 (From Topology) | T: Connexin 26 | F: Connexin | ECOD (1.6) |
| B [auth G] | Connexin | e7xqbG1 | A: alpha bundles | X: Connexin 26 (From Topology) | H: Connexin 26 (From Topology) | T: Connexin 26 | F: Connexin | ECOD (1.6) |
| A | Connexin | e7xqbA1 | 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
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| 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
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR035091 | Gap junction alpha-1 protein (Cx43), alpha-helix domain superfamily | Homologous Superfamily | |
| IPR013124 | Gap junction alpha-1 protein (Cx43), C-terminal | Domain | |
| IPR002261 | Gap junction alpha-1 protein (Cx43) | Family | |
| IPR034634 | Connexin, C-terminal | Homologous Superfamily | |
| IPR017990 | Connexin, conserved site | Conserved Site | |
| IPR038359 | Connexin, N-terminal domain superfamily | Homologous Superfamily | |
| IPR000500 | Connexin | Family | |
| IPR019570 | Connexin, cysteine-rich domain | Domain | |
| IPR013092 | Connexin, N-terminal | Domain |
Pharos: Disease Associations Pharos Homepage Annotation
Membrane Protein Annotation: OPM OPM Database Homepage
| Chains | External Link | Type | Class | Superfamily | Family |
|---|---|---|---|---|---|
| OPM | Transmembrane | Alpha-helical polytopic | Tetraspan junctional complexes | Connexin |
Membrane Protein Annotation: PDBTM PDBTM Database Homepage
| Chains | External Link | Comment |
|---|---|---|
| PDBTM | Annotated as membrane protein by PDBTM |
Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage
| Chains | External Link | Comment |
|---|---|---|
| MemProtMD | Annotated as membrane protein by MemProtMD |














