PPIRE18411

Target Protein Information
Protein_Name Calcium-activated potassium channel subunit alpha-1
Protein_Sequence MANGGGGGGGGSSGSSGGGGGGGGGETALRMSSNIHANHLSLDASSSSSSSSSSSSSSSSSVHEPKMDALIIPVTMEVPCDSRGQRMWWAFLASSMVTFFGGLFIILLWRTLKYLWTVCCHCGGKTKEAQKINNGSSQADGTLKPVDEKEEVVAAEVGWMTSVKDWAGVMISAQTLTGRVLVVLVFALSIGALVIYFIDSSNPIESCQNFYKDFTLQIDMAFNVFFLLYFGLRFIAANDKLWFWLEVNSVVDFFTVPPVFVSVYLNRSWLGLRFLRALRLIQFSEILQFLNILKTSNSIKLVNLLSIFISTWLTAAGFIHLVENSGDPWENFQNNQALTYWECVYLLMVTMSTVGYGDVYAKTTLGRLFMVFFILGGLAMFASYVPEIIELIGNRKKYGGSYSAVSGRKHIVVCGHITLESVSNFLKDFLHKDRDDVNVEIVFLHNISPNLELEALFKRHFTQVEFYQGSVLNPHDLARVKIESADACLILANKYCADPDAEDASNIMRVISIKNYHPKIRIITQMLQYHNKAHLLNIPSWNWKEGDDAICLAELKLGFIAQSCLAQGLSTMLANLFSMRSFIKIEEDTWQKYYLEGVSNEMYTEYLSSAFVGLSFPTVCELCFVKLKLLMIAIEYKSANRESRSRKRILINPGNHLKIQEGTLGFFIASDAKEVKRAFFYCKACHDDVTDPKRIKKCGCRRLEDEQPPTLSPKKKQRNGGMRNSPNTSPKLMRHDPLLIPGNDQIDNMDSNVKKYDSTGMFHWCAPKEIEKVILTRSEAAMTVLSGHVVVCIFGDVSSALIGLRNLVMPLRASNFHYHELKHIVFVGSIEYLKREWETLHNFPKVSILPGTPLSRADLRAVNINLCDMCVILSANQNNIDDTSLQDKECILASLNIKSMQFDDSIGVLQANSQGFTPPGMDRSSPDNSPVHGMLRQPSITTGVNIPIITELAKPGKLPLVSVNQEKNSGTHILMITELVNDTNVQFLDQDDDDDPDTELYLTQPFACGTAFAVSVLDSLMSATYFNDNILTLIRTLVTGGATPELEALIAEENALRGGYSTPQTLANRDRCRVAQLALLDGPFADLGDGGCYGDLFCKALKTYNMLCFGIYRLRDAHLSTPSQCTKRYVITNPPYEFELVPTDLIFCLMQFDHNAGQSRASLSHSSHSSQSSSKKSSSVHSIPSTANRPNRPKSRESRDKQKKEMVYR
Organism_Source Rattus norvegicus
Functional_Classification Ca2+ activated K channels
Cellular_Localization Plasma membrane
Gene_Names Kcnma1
UniProt_ID Q62976
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name BP
Peptide_Sequence MAAVAVLYVLGKKRQHRKKQ
Peptide_Length 20
Peptide_SMILES CSCC[C@H](N)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)N[C@H](C(=O)N[C@@H](C)C(=O)N[C@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@H](C(=O)N[C@@H](CC(C)C)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](Cc1c[nH]cn1)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(N)=O)C(=O)O)C(C)C)C(C)C)C(C)C
Chemical_Modification None
Cyclization_Method None
Linear/Cyclic Linear
N-terminal_Modification Free
C-terminal_Modification Free
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 2324.86
Aliphatic_Index 97.50000
Aromaticity 0.05000
Average_Rotatable_Bonds 4.15000
Charge_at_pH_7 6.08686
Isoelectric_Point 11.83562
Number_of_Hydrogen_Bond_Acceptors 32
Number_of_Hydrogen_Bond_Donors 35
Topological_Polar_Surface_Area 979.19000
X_logP_energy -7.39846
Interaction Information
Affinity KD=7.16 nM
Affinity_Assay single-channel recording
PDB_ID None
Type Ion channel modulator
Structure
Reference Information
Document_Type Research Articles
Title Simultaneous Binding of Basic Peptides at Intracellular Sites on a Large Conductance Ca2+-activated K Channel: Equilibrium and Kinetic Basis of Negatively Coupled Ligand Interactions
Release_Year 1999
PMID 9925826
DOI 10.1085/jgp.113.2.295