PPIRE17094
Target Protein Information
| Protein_Name | Secretin receptor |
|---|---|
| Protein_Sequence | MLSTMRPRLSLLLLRLLLLTKAAHTVGVPPRLCDVRRVLLEERAHCLQQLSKEKKGALGPETASGCEGLWDNMSCWPSSAPARTVEVQCPKFLLMLSNKNGSLFRNCTQDGWSETFPRPDLACGVNINNSFNERRHAYLLKLKVMYTVGYSSSLAMLLVALSILCSFRRLHCTRNYIHMHLFVSFILRALSNFIKDAVLFSSDDVTYCDAHKVGCKLVMIFFQYCIMANYAWLLVEGLYLHTLLAISFFSERKYLQAFVLLGWGSPAIFVALWAITRHFLENTGCWDINANASVWWVIRGPVILSILINFIFFINILRILMRKLRTQETRGSETNHYKRLAKSTLLLIPLFGIHYIVFAFSPEDAMEVQLFFELALGSFQGLVVAVLYCFLNGEVQLEVQKKWRQWHLQEFPLRPVAFNNSFSNATNGPTHSTKASTEQSRSIPRASII |
| Organism_Source | Rattus norvegicus |
| Functional_Classification | Family B G protein coupled receptors |
| Cellular_Localization | Plasma membrane |
| Gene_Names | Sctr |
| UniProt_ID | P23811 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | (Lys13-Alexa)secretin |
|---|---|
| Peptide_Sequence | HSDGTFTSDSSGKLQDLSLQVGDFISA |
| Peptide_Length | 27 |
| Peptide_SMILES | CC[C@H](C)[C@H](NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](CC(=O)O)NC(=O)CNC(=O)[C@@H](NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CO)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCCN)NC(=O)CNC(=O)[C@H](CO)NC(=O)[C@H](CO)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@@H](NC(=O)CNC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CO)NC(=O)[C@@H](N)Cc1c[nH]cn1)[C@@H](C)O)[C@@H](C)O)C(C)C)C(=O)N[C@@H](CO)C(=O)N[C@@H](C)C(=O)O |
| Chemical_Modification | K13=Alexa Fluor 488 |
| Cyclization_Method | None |
| Linear/Cyclic | Linear |
| N-terminal_Modification | Free |
| C-terminal_Modification | Free |
| Amino_Acid_Distribution | |
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Peptide Physicochemical
| Molecular_Weight | 2812.98 |
|---|---|
| Aliphatic_Index | 72.22222 |
| Aromaticity | 0.07407 |
| Average_Rotatable_Bonds | 3.48148 |
| Charge_at_pH_7 | -2.90962 |
| Isoelectric_Point | 4.01911 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 44 |
| Number_of_Hydrogen_Bond_Donors | 44 |
| Topological_Polar_Surface_Area | 1271.84000 |
| X_logP_energy | -18.51700 |
Interaction Information
| Affinity | Ki=7.7 nM |
|---|---|
| Affinity_Assay | Radioligand binding assay |
| PDB_ID | None |
| Type | Agonist |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | Use of Probes with Fluorescence Indicator Distributed throughout the Pharmacophore to Examine the Peptide Agonist-binding Environment of the Family B G Protein-coupled Secretin Receptor |
| Release_Year | 2006 |
| PMID | 16319066 |
| DOI | 10.1074/jbc.M509197200 |