PPIRE09038
Target Protein Information
| Protein_Name | Calcium-activated potassium channel subunit alpha-1 |
|---|---|
| Protein_Sequence | MANGGGGGGGSSGGGGGGGGSSLRMSSNIHANHLSLDASSSSSSSSSSSSSSSSSSSSSSVHEPKMDALIIPVTMEVPCDSRGQRMWWAFLASSMVTFFGGLFIILLWRTLKYLWTVCCHCGGKTKEAQKINNGSSQADGTLKPVDEKEEAVAAEVGWMTSVKDWAGVMISAQTLTGRVLVVLVFALSIGALVIYFIDSSNPIESCQNFYKDFTLQIDMAFNVFFLLYFGLRFIAANDKLWFWLEVNSVVDFFTVPPVFVSVYLNRSWLGLRFLRALRLIQFSEILQFLNILKTSNSIKLVNLLSIFISTWLTAAGFIHLVENSGDPWENFQNNQALTYWECVYLLMVTMSTVGYGDVYAKTTLGRLFMVFFILGGLAMFASYVPEIIELIGNRKKYGGSYSAVSGRKHIVVCGHITLESVSNFLKDFLHKDRDDVNVEIVFLHNISPNLELEALFKRHFTQVEFYQGSVLNPHDLARVKIESADACLILANKYCADPDAEDASNIMRVISIKNYHPKIRIITQMLQYHNKAHLLNIPSWNWKEGDDAICLAELKLGFIAQSCLAQGLSTMLANLFSMRSFIKIEEDTWQKYYLEGVSNEMYTEYLSSAFVGLSFPTVCELCFVKLKLLMIAIEYKSANRESRILINPGNHLKIQEGTLGFFIASDAKEVKRAFFYCKACHDDITDPKRIKKCGCKRPKMSIYKRMRRACCFDCGRSERDCSCMSGRVRGNVDTLERAFPLSSVSVNDCSTSFRAFEDEQPSTLSPKKKQRNGGMRNSPNTSPKLMRHDPLLIPGNDQIDNMDSNVKKYDSTGMFHWCAPKEIEKVILTRSEAAMTVLSGHVVVCIFGDVSSALIGLRNLVMPLRASNFHYHELKHIVFVGSIEYLKREWETLHNFPKVSILPGTPLSRADLRAVNINLCDMCVILSANQNNIDDTSLQDKECILASLNIKSMQFDDSIGVLQANSQGFTPPGMDRSSPDNSPVHGMLRQPSITTGVNIPIITELVNDTNVQFLDQDDDDDPDTELYLTQPFACGTAFAVSVLDSLMSATYFNDNILTLIRTLVTGGATPELEALIAEENALRGGYSTPQTLANRDRCRVAQLALLDGPFADLGDGGCYGDLFCKALKTYNMLCFGIYRLRDAHLSTPSQCTKRYVITNPPYEFELVPTDLIFCLMQFDHNAGQSRASLSHSSHSSQSSSKKSSSVHSIPSTANRQNRPKSRESRDKQKYVQEERL |
| Organism_Source | Homo sapiens |
| Functional_Classification | calcium-activated potassium channels |
| Cellular_Localization | Plasma membrane |
| Gene_Names | KCNMA1 |
| UniProt_ID | Q12791 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | LS3 |
|---|---|
| Peptide_Sequence | CRRGLVQVC |
| Peptide_Length | 9 |
| Peptide_SMILES | CC(C)C[C@H](NC(=O)CNC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@@H](N)CS)C(=O)N[C@H](C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@H](C(=O)N[C@@H](CS)C(=O)O)C(C)C)C(C)C |
| Chemical_Modification | None |
| Cyclization_Method | Side chain-side chain cyclization; C1<->C9; disulfide bond |
| Linear/Cyclic | Cyclic |
| N-terminal_Modification | Free |
| C-terminal_Modification | Free |
| Amino_Acid_Distribution | |
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Peptide Physicochemical
| Molecular_Weight | 1033.28 |
|---|---|
| Aliphatic_Index | 107.77778 |
| Aromaticity | 0.00000 |
| Average_Rotatable_Bonds | 3.77778 |
| Charge_at_pH_7 | 1.87403 |
| Isoelectric_Point | 8.83492 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 15 |
| Number_of_Hydrogen_Bond_Donors | 19 |
| Topological_Polar_Surface_Area | 463.01000 |
| X_logP_energy | -5.08216 |
Interaction Information
| Affinity | IC50=500 pM |
|---|---|
| Affinity_Assay | inside-out patch clamp recording |
| PDB_ID | None |
| Type | Ion channel modulator |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | A novel BK channel-targeted peptide suppresses sound evoked activity in the mouse inferior colliculus. |
| Release_Year | 2017 |
| PMID | 28195225 |
| DOI | 10.1038/srep42433 |