PPIRE13488
Target Protein Information
| Protein_Name | Neuronal acetylcholine receptor subunit alpha-3 |
|---|---|
| Protein_Sequence | MGVVLLPPPLSMLMLVLMLLPAASASEAEHRLFQYLFEDYNEIIRPVANVSHPVIIQFEVSMSQLVKVDEVNQIMETNLWLKQIWNDYKLKWKPSDYQGVEFMRVPAEKIWKPDIVLYNNADGDFQVDDKTKALLKYTGEVTWIPPAIFKSSCKIDVTYFPFDYQNCTMKFGSWSYDKAKIDLVLIGSSMNLKDYWESGEWAIIKAPGYKHEIKYNCCEEIYQDITYSLYIRRLPLFYTINLIIPCLLISFLTVLVFYLPSDCGEKVTLCISVLLSLTVFLLVITETIPSTSLVIPLIGEYLLFTMIFVTLSIVITVFVLNVHYRTPTTHTMPTWVKAVFLNLLPRVMFMTRPTSGEGDTPKTRTFYGAELSNLNCFSRADSKSCKEGYPCQDGTCGYCHHRRVKISNFSANLTRSSSSESVNAVLSLSALSPEIKEAIQSVKYIAENMKAQNVAKEIQDDWKYVAMVIDRIFLWVFILVCILGTAGLFLQPLMARDDT |
| Organism_Source | Rattus norvegicus |
| Functional_Classification | ligand-gated ion channels |
| Cellular_Localization | Plasma membrane |
| Gene_Names | Chrna3 |
| UniProt_ID | P04757 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | Bovine catestatin |
|---|---|
| Peptide_Sequence | RSMRLSFRARGYGFRGPGPQL |
| Peptide_Length | 21 |
| Peptide_SMILES | CSCC[C@H](NC(=O)[C@H](CO)NC(=O)[C@@H](N)CCCNC(=N)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCNC(=N)N)C(=O)NCC(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)NCC(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CCCNC(=N)N)C(=O)NCC(=O)N1CCC[C@H]1C(=O)NCC(=O)N1CCC[C@H]1C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)O |
| Chemical_Modification | None |
| 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 | 2409.80 |
|---|---|
| Aliphatic_Index | 41.90476 |
| Aromaticity | 0.14286 |
| Average_Rotatable_Bonds | 3.66667 |
| Charge_at_pH_7 | 4.99712 |
| Isoelectric_Point | 12.67708 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 32 |
| Number_of_Hydrogen_Bond_Donors | 39 |
| Topological_Polar_Surface_Area | 1041.02000 |
| X_logP_energy | -11.50235 |
Interaction Information
| Affinity | IC50=0.24 uM |
|---|---|
| Affinity_Assay | radiolabeled sodium uptake assay |
| PDB_ID | None |
| Type | antagonist |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | Desensitization of catecholamine release. The novel catecholamine release-inhibitory peptide catestatin (chromogranin a344-364)acts at the receptor to prevent nicotinic cholinergic tolerance. |
| Release_Year | 1999 |
| PMID | 9915830 |
| DOI | 10.1074/jbc.274.5.2920 |