PPIRE13058
Target Protein Information
| Protein_Name | Pituitary adenylate cyclase-activating polypeptide type I receptor |
|---|---|
| Protein_Sequence | MAGVVHVSLAALLLLPMAPAMHSDCIFKKEQAMCLEKIQRANELMGFNDSSPGCPGMWDNITCWKPAHVGEMVLVSCPELFRIFNPDQVWETETIGESDFGDSNSLDLSDMGVVSRNCTEDGWSEPFPHYFDACGFDEYESETGDQDYYYLSVKALYTVGYSTSLVTLTTAMVILCRFRKLHCTRNFIHMNLFVSFMLRAISVFIKDWILYAEQDSNHCFISTVECKAVMVFFHYCVVSNYFWLFIEGLYLFTLLVETFFPERRYFYWYTIIGWGTPTVCVTVWATLRLYFDDTGCWDMNDSTALWWVIKGPVVGSIMVNFVLFIGIIVILVQKLQSPDMGGNESSIYLRLARSTLLLIPLFGIHYTVFAFSPENVSKRERLVFELGLGSFQGFVVAVLYCFLNGEVQAEIKRKWRSWKVNRYFAVDFKHRHPSLASSGVNGGTQLSILSKSSSQIRMSGLPADNLAT |
| Organism_Source | Homo sapiens |
| Functional_Classification | G protein-coupled receptor |
| Cellular_Localization | Plasma membrane |
| Gene_Names | ADCYAP1R1 |
| UniProt_ID | P41586 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | PACAP(9-27) |
|---|---|
| Peptide_Sequence | SYSRYRKQMAVKKYLAAVL |
| Peptide_Length | 19 |
| Peptide_SMILES | CSCC[C@H](NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CO)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@@H](N)CO)C(=O)N[C@@H](C)C(=O)N[C@H](C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)N[C@H](C(=O)N[C@@H](CC(C)C)C(=O)O)C(C)C)C(C)C |
| Chemical_Modification | None |
| Cyclization_Method | None |
| Linear/Cyclic | Linear |
| N-terminal_Modification | Free |
| C-terminal_Modification | amide |
| Amino_Acid_Distribution | |
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Peptide Physicochemical
| Molecular_Weight | 2275.74 |
|---|---|
| Aliphatic_Index | 87.36842 |
| Aromaticity | 0.15789 |
| Average_Rotatable_Bonds | 4.05263 |
| Charge_at_pH_7 | 4.99454 |
| Isoelectric_Point | 10.78789 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 32 |
| Number_of_Hydrogen_Bond_Donors | 35 |
| Topological_Polar_Surface_Area | 933.22000 |
| X_logP_energy | -6.64976 |
Interaction Information
| Affinity | IC50=1500 nM |
|---|---|
| Affinity_Assay | radioligand binding assay |
| PDB_ID | None |
| Type | antagonist |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | Antagonistic properties are shifted back to agonistic properties by further N-terminal shortening of pituitary adenylate-cyclase-activating peptides in human neuroblastoma NB-OK-1 cell membranes. |
| Release_Year | 1992 |
| PMID | 1327769 |
| DOI | 10.1111/j.1432-1033.1992.tb17252.x |