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Rabbit Polyclonal HBSAG antibody - conjugated to FITC. Suitable for ICC and reacts with Hepatitis B virus samples. Cited in 5 publications.


Publications

Key facts

Isotype
IgG
Host species
Rabbit
Conjugation
FITC
Excitation/Emission
Ex: 495nm, Em: 519nm
Storage buffer

pH: 7.2
Preservative: 0.1% Sodium azide
Constituents: PBS, 1% BSA

Form
Liquid
Clonality
Polyclonal

Reactivity data

Select an application
Product promiseTestedExpectedPredictedNot recommended
ICC
Hepatitis B virus
Expected

Expected
Expected

Species
Hepatitis B virus
Dilution info
Use at an assay dependent concentration.
Notes

-

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Target data

Function

The large envelope protein exists in two topological conformations, one which is termed 'external' or Le-HBsAg and the other 'internal' or Li-HBsAg. In its external conformation the protein attaches the virus to cell receptors and thereby initiating infection. This interaction determines the species specificity and liver tropism. This attachment induces virion internalization predominantly through caveolin-mediated endocytosis. The large envelope protein also assures fusion between virion membrane and endosomal membrane. In its internal conformation the protein plays a role in virion morphogenesis and mediates the contact with the nucleocapsid like a matrix protein. The middle envelope protein plays an important role in the budding of the virion. It is involved in the induction of budding in a nucleocapsid independent way. In this process the majority of envelope proteins bud to form subviral lipoprotein particles of 22 nm of diameter that do not contain a nucleocapsid.

Additional Targets

S, S

Alternative names

Recommended products

Rabbit Polyclonal HBSAG antibody - conjugated to FITC. Suitable for ICC and reacts with Hepatitis B virus samples. Cited in 5 publications.

Key facts

Isotype
IgG
Conjugation
FITC
Excitation/Emission
Ex: 495nm, Em: 519nm
Form
Liquid
Clonality
Polyclonal
Specificity

This antibody recognizes Hepatitis B Surface Antigen, subtypes ad and ay.

Concentration
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Purification notes

This antibody was purified to monospecific FITC.

Storage

Shipped at conditions
Blue Ice
Appropriate long-term storage conditions
+4°C

Supplementary info

This supplementary information is collated from multiple sources and compiled automatically.
Activity summary

The Hepatitis B Virus Surface Antigen (HBsAg) also known as Hepatitis B surface antigen AD/AY serves as a significant marker for the Hepatitis B virus (HBV). This glycoprotein displays a molecular mass of approximately 24 kDa and consists of small medium and large protein forms. HBsAg is typically expressed in the infected liver cells and secreted into the bloodstream. This expression allows its use as a diagnostic marker for HBV infection through assays like HBsAg ELISA which detects the presence of the virus.

Biological function summary

The surface antigen plays an important role in the virus's attachment and entry into hepatocytes. HBsAg forms part of the viral envelope structure which facilitates the virus's ability to infect host cells. The presence of HBsAg is linked to an individual’s immune response specifically the production of hepatitis antibodies. Its interaction with the host’s immune system and antibodies like hep B antibodies are essential for understanding both viral pathogenesis and immunity to HBV infections.

Pathways

The Hepatitis B virus surface antigen plays critical parts in the infectious cycle and immune response pathways. One important pathway includes the endocytosis pathway where HBsAg is involved in the virus's entry into liver cells. The surface antigen also interacts with the human immune system influencing the expression of Hepatitis B antibodies. Connected proteins include those involved in the immune signaling where alterations affect the body's ability to mount an effective response against HBV.

Associated diseases and disorders

The Hepatitis B Virus Surface Antigen is directly associated with Hepatitis B infection and its progression. Chronic HBV infection may lead to liver-related diseases such as cirrhosis and hepatocellular carcinoma. HBsAg presence serves as an indicator for diagnosing these liver diseases. The antigen's interaction with other viral proteins such as the core antigen and E antigen are important in the disease's progression and overall clinical outcomes.

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