Structure of the SthK cyclic nucleotide-gated potassium channel in complex with cGMP
External Resource: Annotation
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| A | e6cjtA1 | A: L-aspartase middle domain-like | X: gp11/gp12 receptor-binding domain | H: gp11/gp12 receptor-binding domain | T: OB_NTP_bind | F: | ECOD (20:10:01) | |
| B | e6cjtB1 | A: L-aspartase middle domain-like | X: gp11/gp12 receptor-binding domain | H: gp11/gp12 receptor-binding domain | T: OB_NTP_bind | F: | ECOD (20:10:01) | |
| D | e6cjtD1 | A: L-aspartase middle domain-like | X: gp11/gp12 receptor-binding domain | H: gp11/gp12 receptor-binding domain | T: OB_NTP_bind | F: | ECOD (20:10:01) | |
| C | e6cjtC1 | A: L-aspartase middle domain-like | X: gp11/gp12 receptor-binding domain | H: gp11/gp12 receptor-binding domain | T: OB_NTP_bind | F: | ECOD (20:10:01) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF07885 | Ion channel (Ion_trans_2) | Ion channel | - | Family | |
| PF00027 | Cyclic nucleotide-binding domain (cNMP_binding) | Cyclic nucleotide-binding domain | This domain sensor domain can bind cAMP, cGMP, c-di-GMP, oxygen and 2-oxoglutarate (Matilla et. al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043). | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR013099 | Potassium channel domain | Domain | |
| IPR018488 | Cyclic nucleotide-binding, conserved site | Conserved Site | |
| IPR000595 | Cyclic nucleotide-binding domain | Domain | |
| IPR050866 | Cyclic nucleotide-gated cation channel | Family | |
| IPR018490 | Cyclic nucleotide-binding domain superfamily | Homologous Superfamily | |
| IPR014710 | RmlC-like jelly roll fold | Homologous Superfamily |
Membrane Protein Annotation: OPM OPM Database Homepage
| Chains | External Link | Type | Class | Superfamily | Family |
|---|---|---|---|---|---|
| OPM | Transmembrane | Alpha-helical polytopic | Ion channel (VIC) superfamily | Cyclic nucleotide-gated ion channel |
Membrane Protein Annotation: PDBTM PDBTM Database Homepage
Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage
Membrane Protein Annotation: mpstruc mpstruc Database Homepage
| Chains | Resource Link | Group | Subgroup | Protein |
|---|---|---|---|---|
| mpstruc | TRANSMEMBRANE PROTEINS: ALPHA-HELICAL | Channels: Potassium, Sodium, & Proton Ion-Selective | Cyclic nucleotide-gated (CNG) potassium channel SthK |














