P83303 (TXH4_CYRSC) Cyriopagopus schmidti (Chinese bird spider) (Haplopelma schmidti)

Huwentoxin-IV UniProtKBInterProInteractive Modelling

89 aa; Sequence (Fasta)

Molecule Processing
Huwentoxin-IV

Sequence Features

 58Binds to the extracellular loop of voltage sensor domain II of sodium channels (Nav1.2/SCN2A and Nav1.7/SCN9A)
 78Binds to the extracellular loop of voltage sensor domain II of sodium channels (Nav1.2/SCN2A and Nav1.7/SCN9A)
 79Binds to the extracellular loop of voltage sensor domain II of sodium channels (Nav1.2/SCN2A and Nav1.7/SCN9A)
 82Binds to the extracellular loop of voltage sensor domain II of sodium channels (Nav1.2/SCN2A and Nav1.7/SCN9A)
 84Binds to the extracellular loop of voltage sensor domain II of sodium channels (Nav1.2/SCN2A and Nav1.7/SCN9A)
 54-69
 61-76
 68-83
 53-85Huwentoxin-1 family
IPR011696PF07740

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRangeDownloadAssess
NaChBac-Nav1.7VSDII chimera and HWTX-IV complex Heteromer
Q15858; Q9KCR8;
12×POV;6w6o53-87
Analysis of the structural and molecular basis of voltage-sensitive sodium channel inhibition by th…monomer 2m5053-87
Analysis of the structural and molecular basis of voltage-sensitive sodium channel inhibition by th…monomer 2m4x53-87
Analysis of the structural and molecular basis of voltage-sensitive sodium channel inhibition by th…monomer 2m4z53-87
Three dimensional solution structure of huwentoxin-IV by 2D 1H-NMRmonomer 1mb653-87
Solution structure of a triple mutant of HwTx-IV - a potent blocker of Nav1.7monomer 5t3m53-87
Solution NMR structure of gHwTx-IVmonomer 5tlr54-87