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Cytokeratin 20 Antibody / CK20 / KRT20

This mAb recognizes an intermediate filament protein of 46kDa, identified as Cytokeratin 20 (KRT20, CK20) . KRT is abundantly expressed in goblet cells and enterocytes of the gastrointestinal tract. It is a useful marker of pancreatic and colorectal cancer. KRT20 is expressed under normal, hyperplastic and neoplastic conditions. It has been detected in adenocarcinomas of the colon, stomach and biliary tract. Breast carcinomas are generally non-reactive.

Product Specifications

CAS Number

9007-83-4

Specifications

Western blot: 1-2 µg/mL, Immunohistochemistry (FFPE) : 1-2 µg/mL for 30 min at RT

UniProt

P35900

Host

Mouse

Reactivity

Human

Immunogen

A portion of amino acids 196-323 from the human protein was used as the immunogen for this Cytokeratin 20 antibody.

Clonality

Monoclonal

Isotype

IgG1 k

Clone

KRT20/1991

Applications

WB, IHC-P

Purity

Protein G affinity chromatography

Format

Purified

Buffer

0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced) and 0.05% sodium azide

Reconstitution

Store the Cytokeratin 20 antibody at 2-8oC (with azide) or aliquot and store at -20oC or colder (without azide).

Limitations

This Cytokeratin 20 antibody is available for research use only.

Storage Conditions

Store the Cytokeratin 20 antibody at 2-8°C (with azide) or aliquot and store at -20°C or colder (without azide) .

Formulation

0.2 mg/mL in 1X PBS with 0.1 mg/mL BSA (US sourced) and 0.05% sodium azide

Location

Cytoplasmic

Image Legend

IHC testing of human colon carcinoma with Cytokeratin 20 antibody (clone KRT20/1991) . Required HIER: boil tissue sections in 10mM citrate buffer, pH 6, for 10-20 min followed by cooling at RT for 20 min.
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