Recombinant Stichodactyla helianthus Kappa-stichotoxin-She3a

Code CSB-YP339000SMA
MSDS
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Source Yeast
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Code CSB-EP339000SMA
MSDS
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Source E.coli
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Code CSB-EP339000SMA-B
MSDS
Size Pls inquire
Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP339000SMA
MSDS
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Source Baculovirus
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Code CSB-MP339000SMA
MSDS
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Source Mammalian cell
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Product Details

Purity
>85% (SDS-PAGE)
Target Names
N/A
Uniprot No.
Alternative Names
Kappa-stichotoxin-She3a; Kappa-SHTX-She3a; Potassium channel toxin ShK
Species
Stoichactis helianthus (Carribean sea anemone) (Stichodactyla helianthus)
Expression Region
1-35
Target Protein Sequence
RSCIDTIPKS RCTAFQCKHS MKYRLSFCRK TCGTC
Protein Length
Full Length
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
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°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet
Please contact us to get it.

Customer Reviews and Q&A

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Target Background

Function
Peptide with both antimicrobial and neurotoxin activities. Inhibits voltage-dependent potassium channels. Potently blocks Kv1.1/KCNA1 (IC(50)=6.7-87 pM) and Kv1.3/KCNA3 (IC(50)=10-250 pM). Less potently blocks Kv1.4/KCNA4 (IC(50)=0.31 nM), and Kv1.6/KCNA6 (IC(50)=0.16 nM). Shows moderate activity on Kv1.2/KCNA2 (IC(50)=9 nM), Kv1.7/KCNA7 (IC(50)=11.5 nM), and KCa3.1/KCNN4 (Kd=0.03-30 nM). Blocks Kv channels by binding to a shallow vestibule at the outer entrance to the ion conduction pathway and occluding the entrance to the pore. Shows antibacterial activity against all tested bacteria (the Gram-positive bacteria B.subtilis and S.aureus, and the Gram-negative bacteria S.typhimurium and P.aeruginosa).
Subcellular Location
Secreted. Nematocyst.
Protein Families
Sea anemone type 1 potassium channel toxin family, Type 1a subfamily
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301-363-4651 (Available 9 a.m. to 5 p.m. CST from Monday to Friday)
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7505 Fannin St., Ste 610, Room 7 (CUBIO Innovation Center), Houston, TX 77054, USA
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