PPIRE14506

Target Protein Information
Protein_Name Sodium channel protein type 9 subunit alpha
Protein_Sequence MAMLPPPGPQSFVHFTKQSLALIEQRISEEKAKEHKDEKKDDEEEGPKPSSDLEAGKQLPFIYGDIPPGMVSEPLEDLDPYYADKKTFIVLNKGKAIFRFNATPALYMLSPFSPLRRISIKILVHSLFSMLIMCTILTNCIFMTLSNPPEWTKNVEYTFTGIYTFESLIKILARGFCVGEFTFLRDPWNWLDFVVIVFAYLTEFVNLGNVSALRTFRVLRALKTISVIPGLKTIVGALIQSVKKLSDVMILTVFCLSVFALIGLQLFMGNLKHKCFRKELEENETLESIMNTAESEEELKKYFYYLEGSKDALLCGFSTDSGQCPEGYICVKAGRNPDYGYTSFDTFSWAFLALFRLMTQDYWENLYQQTLRAAGKTYMIFFVVVIFLGSFYLINLILAVVAMAYEEQNQANIEEAKQKELEFQQMLDRLKKEQEEAEAIAAAAAEFTSIGRSRIMGLSESSSETSRLSSKSAKERRNRRKKKKQKMSSGEEKGDDEKLSKSGSEESIRKKSFHLGVEGHHRTREKRLSTPNQSPLSIRGSLFSARRSSRTSLFSFKGRGRDLGSETEFADDEHSIFGDNESRRGSLFVPHRPRERRSSNISQASRSPPVLPVNGKMHSAVDCNGVVSLVDGPSALMLPNGQLLPEVIIDKATSDDSGTTNQMRKKRLSSSYFLSEDMLNDPHLRQRAMSRASILTNTVEELEESRQKCPPWWYRFAHTFLIWNCSPYWIKFKKLIYFIVMDPFVDLAITICIVLNTLFMAMEHHPMTEEFKNVLAVGNLIFTGIFAAEMVLKLIAMDPYEYFQVGWNIFDSLIVTLSLIELFLADVEGLSVLRSFRLLRVFKLAKSWPTLNMLIKIIGNSVGALGNLTLVLAIIVFIFAVVGMQLFGKSYKECVCKINVDCKLPRWHMNDFFHSFLIVFRVLCGEWIETMWDCMEVAGQTMCLIVYMMVMVIGNLVVLNLFLALLLSSFSSDNLTAIEEDTDANNLQIAVARIKRGINYVKQTLREFILKSFSKKPKGSKDTKRTADPNNKKENYISNRTLAEMSKDHNFLKEKDRISGYGSSLDKSFMDENDYQSFIHNPSLTVTVPIAPGESDLEIMNTEELSSDSDSDYSKEKRNRSSSSECSTVDNPLPGEEEAEAEPVNADEPEACFTDGCVRRFPCCQVNVDSGKGKVWWTIRKTCYRIVEHSWFESFIVLMILLSSGALAFEDIYIEKKKTIKIILEYADKIFTYIFILEMLLKWVAYGYKTYFTNAWCWLDFLIVDVSLVTLVANTLGYSDLGPIKSLRTLRALRPLRALSRFEGMRVVVNALIGAIPSIMNVLLVCLIFWLIFSIMGVNLFAGKFYECVNTTDGSRFPTSQVANRSECFALMNVSGNVRWKNLKVNFDNVGLGYLSLLQVATFKGWMDIMYAAVDSVNVNEQPKYEYSLYMYIYFVIFIIFGSFFTLNLFIGVIIDNFNQQKKKLGGQDIFMTEEQKKYYNAMKKLGSKKPQKPIPRPGNKFQGCIFDLVTNQAFDITIMVLICLNMVTMMVEKEGQTEYMDYVLHWINMVFIILFTGECVLKLISLRHYYFTVGWNIFDFVVVILSIVGMFLAEMIEKYFVSPTLFRVIRLARIGRILRLIKGAKGIRTLLFALMMSLPALFNIGLLLFLVMFIYAIFGMSNFAYVKKEAGINDMFNFETFGNSMICLFQITTSAGWDGLLAPILNSAPPDCDPKKVHPGSSVEGDCGNPSVGIFYFVSYIIISFLVVVNMYIAVILENFSVATEESTEPLSEDDFEMFYEVWEKFDPDATQFIEFCKLSDFAAALDPPLLIAKPNKVQLIAMDLPMVSGDRIHCLDILFAFTKRVLGEGGEMDSLRSQMEERFMSANPSKVSYEPITTTLKRKQEEVSATIIQRAYRRYRLRQHVKNISSIYIKDGDRDDDLPNKEDTVFDNVNENSSPEKTDVTASTISPPSYDSVTKPDQEKYETDKTEKEDKEKDESRK
Organism_Source Rattus norvegicus
Functional_Classification voltage-gated sodium channels
Cellular_Localization Plasma membrane
Gene_Names Scn9a
UniProt_ID O08562
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name Hainantoxin-IV(native)
Peptide_Sequence ECLGFGKGCNPSNDQCCKSSNLVCSRKHRWCKYEI
Peptide_Length 35
Peptide_SMILES CC[C@H](C)[C@H](NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CS)NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](Cc1c[nH]cn1)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CO)NC(=O)[C@H](CS)NC(=O)[C@@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CS)NC(=O)[C@H](CS)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CO)NC(=O)[C@@H]1CCCN1C(=O)[C@H](CC(N)=O)NC(=O)[C@H](CS)NC(=O)CNC(=O)[C@H](CCCCN)NC(=O)CNC(=O)[C@H](Cc1ccccc1)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@H](CS)NC(=O)[C@@H](N)CCC(=O)O)C(C)C)C(=O)O
Chemical_Modification None
Cyclization_Method Side chain-side chain cyclization; C2<->C9; disulfide bond; C16<->C21; disulfide bond; C23<->C30; disulfide bond
Linear/Cyclic Cyclic
N-terminal_Modification Free
C-terminal_Modification amide
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 3994.58
Aliphatic_Index 41.71429
Aromaticity 0.08571
Average_Rotatable_Bonds 3.82857
Charge_at_pH_7 2.71900
Isoelectric_Point 8.38372
Number_of_Hydrogen_Bond_Acceptors 61
Number_of_Hydrogen_Bond_Donors 65
Topological_Polar_Surface_Area 1701.69000
X_logP_energy -21.35646
Interaction Information
Affinity IC50=34 nM
Affinity_Assay whole-cell patch-clamp electrophysiology
PDB_ID None
Type Ion channel modulator
Structure
Reference Information
Document_Type Research Articles
Title An efficient strategy for heterologous expression and purification of active peptide hainantoxin-IV.
Release_Year 2015
PMID 25647561
DOI 10.1371/journal.pone.0117099