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IBV (strain D274) Spike glycoprotein (His)

Catalog No. TMPH-00149

IBV (strain D274) Spike glycoprotein (His) is expressed in E. coli expression system with C-6xHis tag. The predicted molecular weight is 27.2 kDa and the accession number is P12722.

IBV (strain D274) Spike glycoprotein (His)

IBV (strain D274) Spike glycoprotein (His)

Catalog No. TMPH-00149
IBV (strain D274) Spike glycoprotein (His) is expressed in E. coli expression system with C-6xHis tag. The predicted molecular weight is 27.2 kDa and the accession number is P12722.
Pack SizePriceAvailabilityQuantity
20 μg$36020 days
100 μg$67820 days
1 mg$2,30020 days
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Product Information

Biological Activity
Activity has not been tested. It is theoretically active, but we cannot guarantee it. If you require protein activity, we recommend choosing the eukaryotic expression version first.
Description
IBV (strain D274) Spike glycoprotein (His) is expressed in E. coli expression system with C-6xHis tag. The predicted molecular weight is 27.2 kDa and the accession number is P12722.
Species
IBV
Expression System
E. coli
TagC-6xHis
Accession NumberP12722
Synonyms
Spike glycoprotein,S,Peplomer protein,E2
Amino Acid
ASDYMYGSYHPSCKFRLETINNGLWFNSLSVSLGYGPIQGGCKQSVFANRATCCYAYSYNGPSLCKGVYRGELTKSFECGLLVFVTKTDGSRIQTRNEPFTLTQHNYNNITLDRCVEYNIYGRVGQGFITNVTNYAINYNYLADGGMAILDTSGAIDIFVVQGEYGLNYYKVNPCEDVNQQFVVSGGKLVGILTSRNETGSQPLENQFYIKIINGTRRSRR
Construction
318-538 aa
Protein Purity
> 85% as determined by SDS-PAGE.
Molecular Weight27.2 kDa (predicted)
FormulationIf the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution
Reconstitute the lyophilized protein in sterile deionized water. The product concentration should not be less than 100 μg/mL. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing.
Stability & Storage
Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
ShippingIn general, Lyophilized powders are shipping with blue ice. Solutions are shipping with dry ice.
Research Background
attaches the virion to the host cell membrane by interacting with sialic acids, initiating the infection.; mediates fusion of the virion and cellular membranes by acting as a class I viral fusion protein. Under the current model, the protein has at least 3 conformational states: pre-fusion native state, pre-hairpin intermediate state, and post-fusion hairpin state. During viral and target cell membrane fusion, the coiled coil regions (heptad repeats) assume a trimer-of-hairpins structure, positioning the fusion peptide in close proximity to the C-terminal region of the ectodomain. The formation of this structure appears to drive apposition and subsequent fusion of viral and target cell membranes.; Acts as a viral fusion peptide after S2 cleavage occurring upon virus endocytosis.

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