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 >  Protein>Hemagglutinin/HA (Influenza Virus) >HA9-V52H3

Influenza A (A/Shanghai/02/2013(H7N9)) Hemagglutinin (HA) Protein, His Tag

表达区间及表达系统(Source)

Influenza A (A/Shanghai/02/2013(H7N9)) Hemagglutinin (HA) Protein, His Tag (HA9-V52H3) is expressed from human 293 cells (HEK293). It contains AA Asp 19 - Gly 338 & Leu 341 - Asp 523 (Accession # R4NN21_9INFA (339-340deletion)).

Predicted N-terminus: Asp 19

Request for sequence

蛋白结构(Molecular Characterization)

Hemagglutinin/HA (Influenza Virus) Structure

This protein carries a polyhistidine tag at the C-terminus.

The protein has a calculated MW of 61.2 kDa. The protein migrates as 70-85 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>90% as determined by SDS-PAGE.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in 50 mM Tris,150 mM NaCl,pH8.5 with trehalose as protectant.

Contact us for customized product form or formulation.

重构方法(Reconstitution)

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

存储(Storage)

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at:

  1. -20°C to -70°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

Hemagglutinin/HA (Influenza Virus) SDS-PAGE

Influenza A (A/Shanghai/02/2013(H7N9)) Hemagglutinin (HA) Protein, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).

 

活性(Bioactivity)-ELISA

Hemagglutinin/HA (Influenza Virus) ELISA

Immobilized Influenza A (A/Shanghai/02/2013(H7N9)) Hemagglutinin (HA) Protein, His Tag (Cat. No. HA9-V52H3) at 2 μg/mL (100 μL/well) can bind Rabbit anti-Influenza A virus(H7N9) Hemagglutinin polyclonal Antibody with a linear range of 0.005-0.078 μg/mL (QC tested).

Protocol

 

背景(Background)

Influenza, commonly known as 'the flu', is an infectious disease of birds and mammals caused by RNA viruses of the family Orthomyxoviridae, the influenza viruses. The virus is divided into three main types (Influenzavirus A, Influenzavirus B, and Influenzavirus C), which are distinguished by differences in two major internal proteins (hemagglutinin (HA) and neuraminidase (NA), which are the most important targets for the immune system. Hemagglutinin binds to the sialic acid-containing receptors on the surface of host cells during initial infection and at the end of an infectious cycle which makes it a great target for vaccine studies.

 

前沿进展

 
 
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