PPIRE01745

Target Protein Information
Protein_Name Potassium voltage-gated channel subfamily A member 2
Protein_Sequence MTVATGDPADEAAALPGHPQDTYDPEADHECCERVVINISGLRFETQLKTLAQFPETLLGDPKKRMRYFDPLRNEYFFDRNRPSFDAILYYYQSGGRLRRPVNVPLDIFSEEIRFYELGEEAMEMFREDEGYIKEEERPLPENEFQRQVWLLFEYPESSGPARIIAIVSVMVILISIVSFCLETLPIFRDENEDMHGSGVTFHTYSNSTIGYQQSTSFTDPFFIVETLCIIWFSFEFLVRFFACPSKAGFFTNIMNIIDIVAIIPYFITLGTELAEKPEDAQQGQQAMSLAILRVIRLVRVFRIFKLSRHSKGLQILGQTLKASMRELGLLIFFLFIGVILFSSAVYFAEADERESQFPSIPDAFWWAVVSMTTVGYGDMVPTTIGGKIVGSLCAIAGVLTIALPVPVIVSNFNYFYHRETEGEEQAQYLQVTSCPKIPSSPDLKKSRSASTISKSDYMEIQEGVNNSNEDFREENLKTANCTLANTNYVNITKMLTDV
Organism_Source Homo sapiens
Functional_Classification other
Cellular_Localization Plasma membrane
Gene_Names KCNA2
UniProt_ID P16389
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name HgTx1
Peptide_Sequence TVIDVKCTSPKQCLPPCKAQFGIRAGAKCMNGKCKCYPH
Peptide_Length 39
Peptide_SMILES CC[C@H](C)[C@H](NC(=O)CNC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](C)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CS)NC(=O)[C@@H]1CCCN1C(=O)[C@@H]1CCCN1C(=O)[C@H](CC(C)C)NC(=O)[C@H](CS)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CCCCN)NC(=O)[C@@H]1CCCN1C(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@H](CS)NC(=O)[C@H](CCCCN)NC(=O)[C@@H](NC(=O)[C@H](CC(=O)O)NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](N)[C@@H](C)O)C(C)C)[C@@H](C)CC)C(C)C)[C@@H](C)O)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](C)C(=O)NCC(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CS)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CC(N)=O)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CS)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CS)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N1CCC[C@H]1C(=O)N[C@@H](Cc1c[nH]cn1)C(=O)O
Chemical_Modification None
Cyclization_Method C7<->C29, side chain cyclization, disulfide bond; C13<->C34, side chain cyclization, disulfide bond; C17<->C36, side chain cyclization, disulfide bond
Linear/Cyclic Cyclic
N-terminal_Modification Free
C-terminal_Modification Free
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 4226.11
Aliphatic_Index 52.56410
Aromaticity 0.05128
Average_Rotatable_Bonds 3.51282
Charge_at_pH_7 5.71487
Isoelectric_Point 9.17963
Number_of_Hydrogen_Bond_Acceptors 63
Number_of_Hydrogen_Bond_Donors 60
Topological_Polar_Surface_Area 1628.15000
X_logP_energy -17.58933
Interaction Information
Affinity KD=0.02 nM
Affinity_Assay NMR chemical shift perturbation
PDB_ID None
Type Inhibitor
Structure
Reference Information
Document_Type Research Articles
Title New High-Affinity Peptide Ligands for Kv1.2 Channel: Selective Blockers and Fluorescent Probes.
Release_Year 2024
PMID 39768187
DOI 10.3390/cells13242096