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539305

Sigma-Aldrich

Protein G, Alkaline Phosphatase Conjugate

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About This Item

UNSPSC Code:
41116133
NACRES:
NA.41

form

liquid

Quality Level

contains

≤0.1% sodium azide as preservative

manufacturer/tradename

Calbiochem®

storage condition

do not freeze

shipped in

wet ice

storage temp.

2-8°C

General description

Protein G conjugated to alkaline phosphatase. Does not react with IgA, IgE, or IgM.
Protein G, Alkaline Phosphatase Conjugate is obtained by conjugation of protein G, a cell-surface protein of Streptococcus species to alkaline phosphatase. This conjugate is used as a secondary agent in immunoassay methods to detect polyclonal goat and rabbit antibodies and monoclonal mouse IgG1, IgG2a, and IgG2b.

Application

Protein G, Alkaline Phosphatase Conjugate has been used in:
  • direct enzyme-linked immunosorbent assay (ELISA) (1:1000)(1:250)
  • indirect ELISA (1:1000)
  • immunoblot (1:5000)

Packaging

Please refer to vial label for lot-specific concentration.

Warning

Toxicity: Standard Handling (A)

Physical form

In 50 mM Tris buffer, 1 mM MgCl₂, 0.1 mM ZnCl₂, 1% BSA, 0.1% sodium azide, pH 7.6.

Analysis Note

Single band at 33.8 kDa by SDS-PAGE

Other Notes

p-Nitrophenyl phosphate, 1.0 mg/ml in 10% diethanolamine, pH 9.8, 1 mM MgCl2 at 25°C, was used as substrate to test immunoenzyme reactivity. Variables associated with assay conditions will dictate the proper working dilution.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A O Olarinmoye et al.
Epidemiology and infection, 145(10), 2030-2037 (2017-05-10)
The hamadryas baboon (Papio hamadryas hamadryas) is the only indigenous species of non-human primates (NHP) found in the Kingdom of Saudi Arabia (KSA). There are no peer-reviewed publications on viral infections of the baboons of KSA. Apart from camels, other
B Nilson et al.
Journal of immunoassay, 9(2), 207-225 (1988-01-01)
Protein G, an IgG-binding protein, purified from the surface of group G streptococci, was coupled to alkaline phosphatase. The conjugate was used for detection of polyclonal goat and rabbit antibodies and monoclonal mouse IgG1, IgG2a and IgG2b in an enzyme-linked
S Sun et al.
Journal of immunological methods, 152(1), 43-48 (1992-07-31)
The IgG binding domains of staphylococcal protein A and streptococcal protein G were expressed as a chimaera using the pGEX vector which has been advocated because its fusion proteins tend to be soluble and easily isolated on immobilised glutathione. This
B N Ogunro et al.
Journal of epidemiology and global health, 8(3-4), 162-170 (2019-03-14)
Ebola viruses (family: Filoviridae) are the cause of Ebola virus disease (EVD), a highly fatal illness characterised by haemorrhagic fever syndrome in both humans and non-human primates (NHPs). West Africa was the epicentre of the 2013-2015 EVD epidemic which caused
Lisa D MacDonald et al.
Human vaccines & immunotherapeutics, 14(1), 59-66 (2017-09-22)
Peptide antigens are combined with an adjuvant in order to increase immunogenicity in vivo. The immunogenicity and safety of a RSV vaccine formulated in a novel oil-based platform, DepoVax™ (DPX), was compared to an alum formulation. A peptide B cell

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