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Roche

Anti-Digoxigenin-AP, Fab fragments

from sheep

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Synonym(s):
anti-digoxigenin, digoxigenin

biological source

sheep

Quality Level

conjugate

alkaline phosphatase conjugate

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

polyclonal

form

solution

packaging

pkg of 200 μL (150 U)

manufacturer/tradename

Roche

isotype

IgG

storage temp.

2-8°C

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This Item
A10541120773391011214667001
conjugate

alkaline phosphatase conjugate

conjugate

alkaline phosphatase conjugate

conjugate

peroxidase conjugate

conjugate

unconjugated

antibody form

purified immunoglobulin

antibody form

purified from hybridoma cell culture

antibody form

F(ab′)2 fragment of affinity isolated antibody

antibody form

affinity purified immunoglobulin

clone

polyclonal

clone

DI-22, monoclonal

clone

polyclonal

clone

polyclonal

form

solution

form

buffered aqueous solution

form

lyophilized (clear, brown solution after reconstitution)

form

lyophilized

packaging

pkg of 200 μL (150 U)

packaging

-

packaging

pkg of 150 U

packaging

pkg of 1 mg

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General description

Digoxigenin is a hapten, useful in labeling and detection of nucleic acids. This product contains Fab fragments from polyclonal anti-digoxigenin antibodies, conjugated to alkaline phosphatase. Anti-Digoxigenin-AP, Fab fragments are useful for the detection of digoxigenin-labeled compounds.

Specificity

The polyclonal antibody from sheep is specific to digoxigenin and digoxin and shows no cross-reactivity with other steroids, such as human estrogens and androgens.
Heat inactivation: yes

Application

Use Anti-Digoxigenin-AP, Fab fragments for the detection of digoxigenin-labeled compounds using:
  • cDNA array
  • Colony/plaque hybridization
  • Dot blot
  • ELISA
  • Gel shift assay
  • Immunohistocytochemistry
  • In situ hybridization
  • Nonradioactive DNA sequencing blot
  • Northern blot
  • RNase protection assay
  • Southern blot
  • Western blot
  • Fluorescent in situ hybridization
  • Section in situ hybridization and whole mount in situ hybridization
  • Electrophoretic mobility shift assay

Preparation Note

After immunization with digoxigenin, sheep IgG was purified by ion-exchange chromatography, and the specific IgG was isolated by immunosorption. The Fab fragments obtained by papain digestion were purified by gel filtration, conjugated to the specific label, and stabilized in buffer.
Working concentration: Working concentration of conjugate will depend on the application and substrate. The following concentrations should be taken as a guideline:
  • Dot blot: 150 mU/ml
  • ELISA: 150 to 300 mU/ml
  • Immunohistocytochemistry: 250 to 500 mU/ml
  • In situ hybridization: 1.5 to 7.5 U/ml
  • Southern blot: 150 mU/ml
  • Western blot: 250 to 500 mU/ml

Working solution: Northern blot, Southern blot
100 mM Maleic acid, 150 mM NaCl, pH 7.5.
Western blot
50 mM Tris-HCl, 150 mM NaCl, pH 7.5
other applications
100 mM Tris-HCl, 150 mM NaCl, pH 7.5

1% Blocking reagent (w/v), 1 to 5% heat inactivated fetal calf serum (v/v) or sheep normal serum can be used for reduction of unspecific binding.
Storage conditions (working solution): Diluted conjugate is stable at 2 to 8 °C for 12 hours.
Always prepare freshly!

Analysis Note

  • Cross reactivity to digitoxin and digitoxigenin: <1 %
  • No cross reactivity with other human estrogen or androgen steroids, e.g. estradiol or testosterone
  • Cross reactivity with digoxin: not known
  • Conjugate does not bind to itself at all
  • Normally one molecule of the conjugate binds to one molecule digoxigenin, although ther are two possible binding sites for digoxigenin
  • Nonspecific binding to RNA is not expected

Other Notes

For life science research only. Not for use in diagnostic procedures.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

No data available

Flash Point(C)

No data available


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Digoxigenin (DIG) labeling methods and kits for DNA and RNA DIG probes, random primed DNA labeling, nick translation labeling, 5’ and 3’ oligonucleotide end-labeling.

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