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anti-KRT19 antibody product blog

Tags: Antibody; Cytokeratin 19; KRT19; Polyclonal Antibody; anti-KRT19 antibody;

     The KRT19 krt19 (Catalog #MBS9604389) is an Antibody produced from Rabbit and is intended for research purposes only. The product is available for immediate purchase. The Cytokeratin 19 Antibody reacts with Human, Mouse and may cross-react with other species as described in the data sheet. MyBioSource\'s Cytokeratin 19 can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB), Immunohistochemisty (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), ELISA (EIA).
WB: 1:1000-3000
IHC: 1:200. Researchers should empirically determine the suitability of the KRT19 krt19 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process.

The KRT19 krt19 product has the following accession number(s) (GI #24234699) (NCBI Accession #NP_002267.2) (Uniprot Accession #P08727). Researchers may be interested in using Bioinformatics databases such as those available at The National Center for Biotechnology Information (NCBI) website for more information about accession numbers and the proteins they represent. Even researchers unfamiliar with bioinformatics databases will find the NCBI databases to be quite user friendly and useful.

To buy or view more detailed product information and pricing, please click on the technical datasheet page below:


Please refer to the product datasheet for known applications of a given antibody. We\'ve tested the Cytokeratin 19 Antibody with the following immunoassay(s):
Western Blot (WB) (Western blot analysis of Cytokeratin 19 using HepG2 whole cell lysates)
Western Blot (WB) KRT19.

Immunofluorescene (IF) (MBS9604389 staining sw480 by IF/ICC. The sample were fixed with PFA and permeabilized in 0.1% Triton X-100, then blocked in 10% serum for 45 minutes at 25 degree C. The primary antibody was diluted at 1/200 and incubated with the sample for 1 hour at 37 degree C. An Alexa Fluor 594 conjugated goat anti-rabbit IgG (H+L) Ab, diluted at 1/600, was used as the secondary antibody.)
Immunofluorescene (IF) KRT19.

Immunohistochemistry (IHC) (MBS9604389 at 1/100 staining Human colon cancer tissue by IHC-P. The sample was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The sample was then blocked and incubated with the antibody for 1.5 hours at 22 degree C. An HRP conjugated goat anti-rabbit antibody was used as the secondary.)
Immunohistochemistry (IHC) KRT19.

Function: Involved in the organization of myofibers. Together with KRT8, helps to link the contractile apparatus to dystrophin at the costameres of striated muscle.
Subunit Structure: Heterotetramer of two type I and two type II keratins. Interacts with PNN and the actin-binding domain of DMD. Interacts with HCV core protein.
Similarity: This keratin differs from all other IF proteins in lacking the C-terminal tail domain. Belongs to the intermediate filament family.

Immunogen: A synthesized peptide derived from human Cytokeratin 19
Tissue Specificity: Expressed in a defined zone of basal keratinocytes in the deep outer root sheath of hair follicles. Also observed in sweat gland and mammary gland ductal and secretory cells, bile ducts, gastrointestinal tract, bladder urothelium, oral epithelia, esophagus, ectocervical epithelium (at protein level). Expressed in epidermal basal cells, in nipple epidermis and a defined region of the hair follicle. Also seen in a subset of vascular wall cells in both the veins and artery of human umbilical cord, and in umbilical cord vascular smooth muscle. Observed in muscle fibers accumulating in the costameres of myoplasm at the sarcolemma in structures that contain dystrophin and spectrin.
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