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8.B.3.1.4
Phrixotoxin 3. (β-stranded β-Theraphotoxin-Ps1A) Na+-channel blocker (Ono et al., 2011).

Accession Number:P84510
Protein Name:Beta-theraphotoxin-Ps1a
Length:34
Molecular Weight:4066.00
Species:Paraphysa scrofa (Chilean copper tarantula) [269635]
Location1 / Topology2 / Orientation3: Secreted1
Substrate

Cross database links:

Pfam: PF07740   

Gene Ontology

GO:0005615 C:extracellular space
GO:0019870 F:potassium channel inhibitor activity
GO:0019871 F:sodium channel inhibitor activity
GO:0009405 P:pathogenesis

References (1)

[1] “Four novel tarantula toxins as selective modulators of voltage-gated sodium channel subtypes.”  Bosmans F.et.al.   16267209
Structure:
5WE3     

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FASTA formatted sequence 
1:	DCLGFLWKCN PSNDKCCRPN LVCSRKDKWC KYQI