Heat-labile Enterotoxin B Chain, Recombinant, E. coli, aa22-124, His-Tag (eltB)

Catalog No : USB-373174
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Product name Heat-labile Enterotoxin B Chain, Recombinant, E. coli, aa22-124, His-Tag (eltB)
Catalog No USB-373174
Supplier’s Catalog No 373174
Supplier US Biologicals
Source antigen Recombinant, E. coli
Reactivity
Cross reactivity
Applications
Molecular weight 15.7
Storage -20°C
Other names
Grade Purified
Purity ~90% (SDS-PAGE)
Form Supplied as a liquid in Tris, 50% glycerol.
Reactivity life 6 months
Note For reserch purpose only
Purity ~90% (SDS-PAGE)
Description The biological activity of the toxin is produced by the A chain, which activates intracellular adenyl cyclase. Source: Recombinant protein corresponding to aa22-124 from E. coli Heat-labile Enterotoxin B Chain, fused to His-Tag at N-terminal, expressed in E. coli. Molecular Weight: ~15.7kD AA Sequence: APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEN Storage and Stability: May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.