9OPY
Structure of the sweet receptor in the apo state
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0001582 | biological_process | detection of chemical stimulus involved in sensory perception of sweet taste |
| A | 0004930 | molecular_function | G protein-coupled receptor activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005886 | cellular_component | plasma membrane |
| A | 0007186 | biological_process | G protein-coupled receptor signaling pathway |
| A | 0008527 | molecular_function | taste receptor activity |
| A | 0016020 | cellular_component | membrane |
| A | 0032467 | biological_process | positive regulation of cytokinesis |
| A | 0033041 | molecular_function | sweet taste receptor activity |
| A | 0038037 | cellular_component | G protein-coupled receptor dimeric complex |
| A | 0043235 | cellular_component | signaling receptor complex |
| A | 0050909 | biological_process | sensory perception of taste |
| A | 0050916 | biological_process | sensory perception of sweet taste |
| A | 1903767 | cellular_component | sweet taste receptor complex |
| B | 0001582 | biological_process | detection of chemical stimulus involved in sensory perception of sweet taste |
| B | 0004930 | molecular_function | G protein-coupled receptor activity |
| B | 0005515 | molecular_function | protein binding |
| B | 0005794 | cellular_component | Golgi apparatus |
| B | 0005886 | cellular_component | plasma membrane |
| B | 0007186 | biological_process | G protein-coupled receptor signaling pathway |
| B | 0008527 | molecular_function | taste receptor activity |
| B | 0016020 | cellular_component | membrane |
| B | 0033041 | molecular_function | sweet taste receptor activity |
| B | 0038037 | cellular_component | G protein-coupled receptor dimeric complex |
| B | 0050916 | biological_process | sensory perception of sweet taste |
| B | 0050917 | biological_process | sensory perception of umami taste |
| B | 1903767 | cellular_component | sweet taste receptor complex |
Functional Information from PROSITE/UniProt
| site_id | PS00980 |
| Number of Residues | 25 |
| Details | G_PROTEIN_RECEP_F3_2 G-protein coupled receptors family 3 signature 2. CCYdCvdCkagsYrkhp.DdfTCtpC |
| Chain | Residue | Details |
| B | CYS522-CYS546 | |
| A | CYS513-CYS538 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 20 |
| Details | Transmembrane: {"description":"Helical; Name=1","evidences":[{"source":"PubMed","id":"40339580","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40555359","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9UT8","evidenceCode":"ECO:0000312"},{"source":"PDB","id":"9NOR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OPY","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 49 |
| Details | Topological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"40339580","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40555359","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9UT8","evidenceCode":"ECO:0000312"},{"source":"PDB","id":"9NOR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OPY","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 20 |
| Details | Transmembrane: {"description":"Helical; Name=2","evidences":[{"source":"PubMed","id":"40339580","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40555359","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9UT8","evidenceCode":"ECO:0000312"},{"source":"PDB","id":"9NOR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OPY","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 37 |
| Details | Topological domain: {"description":"Extracellular","evidences":[{"source":"PubMed","id":"40339580","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40555359","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9UT8","evidenceCode":"ECO:0000312"},{"source":"PDB","id":"9NOR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OPY","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 20 |
| Details | Transmembrane: {"description":"Helical; Name=3","evidences":[{"source":"PubMed","id":"40339580","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40555359","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9UT8","evidenceCode":"ECO:0000312"},{"source":"PDB","id":"9NOR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OPY","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 20 |
| Details | Transmembrane: {"description":"Helical; Name=4","evidences":[{"source":"PubMed","id":"40339580","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40555359","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9UT8","evidenceCode":"ECO:0000312"},{"source":"PDB","id":"9NOR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OPY","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 20 |
| Details | Transmembrane: {"description":"Helical; Name=5","evidences":[{"source":"PubMed","id":"40339580","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40555359","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9UT8","evidenceCode":"ECO:0000312"},{"source":"PDB","id":"9NOR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OPY","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 20 |
| Details | Transmembrane: {"description":"Helical; Name=6","evidences":[{"source":"PubMed","id":"40339580","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40555359","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9UT8","evidenceCode":"ECO:0000312"},{"source":"PDB","id":"9NOR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OPY","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 25 |
| Details | Transmembrane: {"description":"Helical; Name=7","evidences":[{"source":"PubMed","id":"40339580","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40555359","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9UT8","evidenceCode":"ECO:0000312"},{"source":"PDB","id":"9NOR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OPY","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI10 |
| Number of Residues | 7 |
| Details | Glycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"40339580","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9NOR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9NOS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9NOT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9NOU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9NOV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9NOW","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI11 |
| Number of Residues | 1 |
| Details | Glycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"40339580","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9NOR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9NOS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9NOT","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI12 |
| Number of Residues | 20 |
| Details | Transmembrane: {"description":"Helical; Name=1","evidences":[{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9OPZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ3","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI13 |
| Number of Residues | 43 |
| Details | Topological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9OPZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ3","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI14 |
| Number of Residues | 20 |
| Details | Transmembrane: {"description":"Helical; Name=2","evidences":[{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9OPZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ3","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI15 |
| Number of Residues | 44 |
| Details | Topological domain: {"description":"Extracellular","evidences":[{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9OPZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ3","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI16 |
| Number of Residues | 20 |
| Details | Transmembrane: {"description":"Helical; Name=3","evidences":[{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9OPZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ3","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI17 |
| Number of Residues | 20 |
| Details | Transmembrane: {"description":"Helical; Name=4","evidences":[{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9OPZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ3","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI18 |
| Number of Residues | 20 |
| Details | Transmembrane: {"description":"Helical; Name=5","evidences":[{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9OPZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ3","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI19 |
| Number of Residues | 20 |
| Details | Transmembrane: {"description":"Helical; Name=6","evidences":[{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9OPZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ3","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI20 |
| Number of Residues | 23 |
| Details | Transmembrane: {"description":"Helical; Name=7","evidences":[{"source":"PubMed","id":"40754567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"9OPZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9OQ3","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI21 |
| Number of Residues | 9 |
| Details | Region: {"description":"Required for brazzein responsiveness","evidences":[{"source":"UniProtKB","id":"Q7RTX0","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI22 |
| Number of Residues | 1 |
| Details | Glycosylation: {"description":"N-linked (GlcNAc...) asparagine; when associated with variant T-60","evidences":[{"source":"PubMed","id":"11326277","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI23 |
| Number of Residues | 9 |
| Details | Glycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |






