Human voltage-gated potassium channel Kv3.1 in dimeric state (with Zn)
External Resource: Annotation
- Domain Annotation: ECOD Classification
- Domain Annotation: CATH
- Protein Family Annotation
- Gene Ontology: Gene Product Annotation
- InterPro: Protein Family Classification
- Pharos: Disease Associations
- Membrane Protein Annotation: OPM
- Membrane Protein Annotation: PDBTM
- Membrane Protein Annotation: MemProtMD
- Membrane Protein Annotation: mpstruc
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| H | Ion_trans | e7phkH2 | A: alpha complex topology | X: Voltage-gated ion channels (From Topology) | H: Voltage-gated ion channels (From Topology) | T: Voltage-gated ion channels | F: Ion_trans | ECOD (1.6) |
| H | BTB_2 | e7phkH1 | A: a+b two layers | X: POZ domain (From Topology) | H: POZ domain (From Topology) | T: POZ domain | F: BTB_2 | ECOD (1.6) |
| G [auth F] | Ion_trans | e7phkF3 | A: alpha complex topology | X: Voltage-gated ion channels (From Topology) | H: Voltage-gated ion channels (From Topology) | T: Voltage-gated ion channels | F: Ion_trans | ECOD (1.6) |
| G [auth F] | BTB_2 | e7phkF2 | A: a+b two layers | X: POZ domain (From Topology) | H: POZ domain (From Topology) | T: POZ domain | F: BTB_2 | ECOD (1.6) |
| F [auth G] | Ion_trans | e7phkG2 | A: alpha complex topology | X: Voltage-gated ion channels (From Topology) | H: Voltage-gated ion channels (From Topology) | T: Voltage-gated ion channels | F: Ion_trans | ECOD (1.6) |
| F [auth G] | BTB_2 | e7phkG3 | A: a+b two layers | X: POZ domain (From Topology) | H: POZ domain (From Topology) | T: POZ domain | F: BTB_2 | ECOD (1.6) |
| E | Ion_trans | e7phkE1 | A: alpha complex topology | X: Voltage-gated ion channels (From Topology) | H: Voltage-gated ion channels (From Topology) | T: Voltage-gated ion channels | F: Ion_trans | ECOD (1.6) |
| E | BTB_2 | e7phkE2 | A: a+b two layers | X: POZ domain (From Topology) | H: POZ domain (From Topology) | T: POZ domain | F: BTB_2 | ECOD (1.6) |
| D | Ion_trans | e7phkD1 | A: alpha complex topology | X: Voltage-gated ion channels (From Topology) | H: Voltage-gated ion channels (From Topology) | T: Voltage-gated ion channels | F: Ion_trans | ECOD (1.6) |
| D | BTB_2 | e7phkD3 | A: a+b two layers | X: POZ domain (From Topology) | H: POZ domain (From Topology) | T: POZ domain | F: BTB_2 | ECOD (1.6) |
| C [auth B] | Ion_trans | e7phkB1 | A: alpha complex topology | X: Voltage-gated ion channels (From Topology) | H: Voltage-gated ion channels (From Topology) | T: Voltage-gated ion channels | F: Ion_trans | ECOD (1.6) |
| C [auth B] | BTB_2 | e7phkB3 | A: a+b two layers | X: POZ domain (From Topology) | H: POZ domain (From Topology) | T: POZ domain | F: BTB_2 | ECOD (1.6) |
| B [auth C] | Ion_trans | e7phkC2 | A: alpha complex topology | X: Voltage-gated ion channels (From Topology) | H: Voltage-gated ion channels (From Topology) | T: Voltage-gated ion channels | F: Ion_trans | ECOD (1.6) |
| B [auth C] | BTB_2 | e7phkC1 | A: a+b two layers | X: POZ domain (From Topology) | H: POZ domain (From Topology) | T: POZ domain | F: BTB_2 | ECOD (1.6) |
| A | Ion_trans | e7phkA3 | A: alpha complex topology | X: Voltage-gated ion channels (From Topology) | H: Voltage-gated ion channels (From Topology) | T: Voltage-gated ion channels | F: Ion_trans | ECOD (1.6) |
| A | BTB_2 | e7phkA2 | A: a+b two layers | X: POZ domain (From Topology) | H: POZ domain (From Topology) | T: POZ domain | F: BTB_2 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| H | 3.30.710.10 | Alpha Beta | 2-Layer Sandwich | Potassium Channel Kv1.1 | Chain A | CATH (utative) |
| G [auth F] | 3.30.710.10 | Alpha Beta | 2-Layer Sandwich | Potassium Channel Kv1.1 | Chain A | CATH (utative) |
| F [auth G] | 3.30.710.10 | Alpha Beta | 2-Layer Sandwich | Potassium Channel Kv1.1 | Chain A | CATH (utative) |
| E | 3.30.710.10 | Alpha Beta | 2-Layer Sandwich | Potassium Channel Kv1.1 | Chain A | CATH (utative) |
| D | 3.30.710.10 | Alpha Beta | 2-Layer Sandwich | Potassium Channel Kv1.1 | Chain A | CATH (utative) |
| C [auth B] | 3.30.710.10 | Alpha Beta | 2-Layer Sandwich | Potassium Channel Kv1.1 | Chain A | CATH (utative) |
| B [auth C] | 3.30.710.10 | Alpha Beta | 2-Layer Sandwich | Potassium Channel Kv1.1 | Chain A | CATH (utative) |
| A | 3.30.710.10 | Alpha Beta | 2-Layer Sandwich | Potassium Channel Kv1.1 | Chain A | CATH (utative) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF02214 | BTB/POZ domain (BTB_2) | BTB/POZ domain | In voltage-gated K+ channels this domain is responsible for subfamily-specific assembly of alpha-subunits into functional tetrameric channels [1]. In KCTD1 (Swiss:Q719H9) this domain functions as a transcriptional repressor [2]. It also mediates homo ... | Domain | |
| PF07885 | Ion channel (Ion_trans_2) | Ion channel | - | Family | |
| PF00520 | Ion transport protein (Ion_trans) | Ion transport protein | - | Family |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR005403 | Potassium channel, voltage dependent, Kv3.1 | Family | |
| IPR028325 | Voltage-gated potassium channel | Family | |
| IPR000210 | BTB/POZ domain | Domain | |
| IPR003974 | Potassium channel, voltage dependent, Kv3 | Family | |
| IPR003968 | Potassium channel, voltage dependent, Kv | Family | |
| IPR005821 | Ion transport domain | Domain | |
| IPR003131 | Potassium channel tetramerisation-type BTB domain | Domain | |
| IPR011333 | SKP1/BTB/POZ domain superfamily | Homologous Superfamily | |
| IPR027359 | Voltage-dependent channel domain superfamily | Homologous Superfamily |
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 | Ion channel (VIC) superfamily | KvAP voltage-regulated K channels |
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 |
Membrane Protein Annotation: mpstruc mpstruc Database Homepage
| Chains | Resource Link | Group | Subgroup | Protein |
|---|---|---|---|---|
| mpstruc | TRANSMEMBRANE PROTEINS: ALPHA-HELICAL | Channels: Potassium, Sodium, & Proton Ion-Selective | Kv3.1 voltage-gated potassium channel, apo condition |














