Recombinant Phoneutria nigriventer Delta-ctenitoxin-Pn1a(PNTx4)

Recombinant Phoneutria nigriventer Delta-ctenitoxin-Pn1a(PNTx4)

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Size: 200ug. Other sizes are also available. Please Inquire.

In Stock: No

Lead time: 22-32 working days

Research Topic: Others

Uniprot ID: P59368

Gene Names: PNTx4

Organism: Phoneutria nigriventer (Brazilian armed spider) (Ctenus nigriventer)


Expression Region: 35-82aa

Sequence Info: Full Length

Source: Yeast

Tag Info: N-terminal 6xHis-tagged

MW: 7.3 kDa

Alternative Name(s): Insecticidal neurotoxin Tx4(6-1) Short name:PNTx4(6-1)

Relevance: This neurotoxin binds at site 3 of insect voltage-activated sodium channels (Nav) and prolongs evoked axonal action potentials by a slowing down of sodium current inactivation. The toxin inhibits glutamate uptake from rat brain synaptosomes. It is highly toxic to house fly (Musca domestica), toxic to cockroach, but has no effect when intracerebroventricularly injected into mice.

Reference: "Molecular cloning of cDNAs encoding insecticidal neurotoxic peptides from the spider Phoneutria nigriventer."Penaforte C.L., Prado V.F., Prado M.A.M., Romano-Silva M.A., Guimaraes P.E.M., De Marco L., Gomez M.V., Kalapothakis E.Toxicon 38:1443-1449(2000)

Purity: Greater than 90% as determined by SDS-PAGE.

Storage Buffer: Tris-based buffer,50% glycerol

Storage: The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃.

Notes: Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.

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