HCA041A recognises human cytokeratin 20, and has been demonstrated to cross-react with cytokeratin 19.
In Western blotting of of HT29 cell lysates two bands are seen, one at 40kD being consistent with CK19, and one at 45kD being consistent with CK20.
In Immunohistology reactivity is seen both with tissues expressing only CK19 and with those expressing only CK20.
Product Form
A bivalent human recombinant Fab selected from the HuCAL® GOLD phage display library. Expressed in E. coli and purified using metal chelate affinity chromatography. This Fab fragment is dimerized via a helix-turn-helix motif. The antibody is tagged with a myc-tag (EQKLISEEDL) and a his-tag (HHHHHH) at the C-terminus of the antibody heavy chain.
Application
This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visitwww.abdserotec.com/protocols.
Application Name
Yes
No
Not Determined
Suggested Dilution
ELISA
Immunohistology - Frozen
Immunohistology - Paraffin(1)
1/50 - 1/100
Immunoprecipitation
Western Blotting
1/100 - 1/1000
(1)
This product requires antigen retrieval using heat treatment prior to staining of paraffin sections.Sodium citrate buffer pH 6.0 is recommended for this purpose.
Where this product has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the product for use in their own system using appropriate negative/positive controls.
Prior to reconstitution store at +4oC.
After reconstitution store at +4oC or at -20oC if preferred.
Storage in frost-free freezers is not recommended. This product should be stored undiluted.
Shelf Life
12 months from date of reconstitution.
Licensed Use
For in vitro research purposes only, unless otherwise specified in writing by AbD Serotec.
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