PPIRE09090
Target Protein Information
| Protein_Name | Vasopressin V1a receptor |
|---|---|
| Protein_Sequence | MRLSAGPDAGPSGNSSPWWPLATGAGNTSREAEALGEGNGPPRDVRNEELAKLEIAVLAVTFAVAVLGNSSVLLALHRTPRKTSRMHLFIRHLSLADLAVAFFQVLPQMCWDITYRFRGPDWLCRVVKHLQVFGMFASAYMLVVMTADRYIAVCHPLKTLQQPARRSRLMIAAAWVLSFVLSTPQYFVFSMIEVNNVTKARDCWATFIQPWGSRAYVTWMTGGIFVAPVVILGTCYGFICYNIWCNVRGKTASRQSKGAEQAGVAFQKGFLLAPCVSSVKSISRAKIRTVKMTFVIVTAYIVCWAPFFIIQMWSVWDPMSVWTESENPTITITALLGSLNSCCNPWIYMFFSGHLLQDCVQSFPCCQNMKEKFNKEDTDSMSRRQTFYSNNRSPTNSTGMWKDSPKSSKSIKFIPVST |
| Organism_Source | Homo sapiens |
| Functional_Classification | G protein-coupled receptor |
| Cellular_Localization | Plasma membrane |
| Gene_Names | AVPR1A |
| UniProt_ID | P37288 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | [Se-Se]-AVP |
|---|---|
| Peptide_Sequence | XYFQNXPRG |
| Peptide_Length | 9 |
| Peptide_SMILES | N=C(N)NCCC[C@H](NC(=O)[C@@H]1CCCN1C(=O)CNC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)CN)C(=O)NCC(=O)O |
| Chemical_Modification | X1=selenocysteine; X6=selenocysteine |
| Cyclization_Method | Side chain-side chain cyclization; X1<->X6; diselenide bond |
| Linear/Cyclic | Cyclic |
| N-terminal_Modification | Free |
| C-terminal_Modification | amide |
| Amino_Acid_Distribution | |
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Peptide Physicochemical
| Molecular_Weight | 995.06 |
|---|---|
| Aliphatic_Index | 0.00000 |
| Aromaticity | 0.22222 |
| Average_Rotatable_Bonds | 3.22222 |
| Charge_at_pH_7 | 0.99713 |
| Isoelectric_Point | 9.34881 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 14 |
| Number_of_Hydrogen_Bond_Donors | 15 |
| Topological_Polar_Surface_Area | 455.64000 |
| X_logP_energy | -5.72773 |
Interaction Information
| Affinity | KD=0.99 nM |
|---|---|
| Affinity_Assay | LC-ICP-MS |
| PDB_ID | None |
| Type | Agonist |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | Investigation of Elemental Mass Spectrometry in Pharmacology for Peptide Quantitation at Femtomolar Levels. |
| Release_Year | 2016 |
| PMID | 27336163 |
| DOI | 10.1371/journal.pone.0157943 |