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WH0054474M1

Sigma-Aldrich

Monoclonal Anti-KRT20 antibody produced in mouse

clone 2G3-1C8, purified immunoglobulin, buffered aqueous solution

Synonym(s):

Anti-CK20, Anti-K20, Anti-KRT21, Anti-MGC35423, Anti-keratin 20

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About This Item

MDL number:
MFCD02263408
UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

conjugate

unconjugated

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

2G3-1C8, monoclonal

form

buffered aqueous solution

species reactivity

human

technique(s)

immunohistochemistry (formalin-fixed, paraffin-embedded sections): suitable
indirect ELISA: suitable
indirect immunofluorescence: suitable
western blot: 1-5 μg/mL

isotype

IgG1κ

GenBank accession no.

BC031559

UniProt accession no.

P35900

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... KRT20(54474)

General description

The protein encoded by this gene is a member of the keratin family. The keratins are intermediate filament proteins responsible for the structural integrity of epithelial cells and are subdivided into cytokeratins and hair keratins. The type I cytokeratins consist of acidic proteins which are arranged in pairs of heterotypic keratin chains. This cytokeratin is a major cellular protein of mature enterocytes and goblet cells and is specifically expressed in the gastric and intestinal mucosa. The type I cytokeratin genes are clustered in a region of chromosome 17q12-q21. (provided by RefSeq)

Immunogen

KRT20 (AAH31559, 1 a.a. ~ 424 a.a) full-length recombinant protein with GST tag. MW of the GST tag alone is 26 KDa.

Sequence
MDFSRRSFHRSLSSSLQAPVVSTVGMQRLGTTPSVYGGAGGRGIRISNSRHTVNYGSDLTGGGDLFVGNEKMAMQNLNDRLASYLEKVRTLEQSNSKLEVQIKQWYETNAPRAGRDYSAYYRQIEELRSQIKDAQLQNARCVLQIDNAKLAAEDFRLKYETERGIRLTVEADLQGLNKVFDDLTLHKTDLEIQIEELNKDLALLKKEHQEEVDGLHKHLGNTVNVEVDAAPGLNLGVIMNEMRQKYEVMAQKNLQEAKEQFERQTAVLQQQVTVNTEELKGTEVQLTELRRTSQSLEIELQSHLSMKESLEHTLEETKARYSSQLANLQSLLSSLEAQLMQIRSNMERQNNEYHILLDIKTRLEQEIATYRRLLEGEDVKTTEYQLSTLEERDIKKTRKIKTVVQEVVDGKVVSSEVKEVEENI

Biochem/physiol Actions

KRT20 (keratin 20) helps in intermediate filament organization. In metastatic colorectal cancer, it can be used as a biomarker for checking circulating tumor cells.

Physical form

Solution in phosphate buffered saline, pH 7.4

Legal Information

GenBank is a registered trademark of United States Department of Health and Human Services

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class

10 - Combustible liquids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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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L M McLatchie et al.
British journal of pharmacology, 171(14), 3394-3403 (2014-03-19)
The aim of this study was to quantify and characterize the mechanism of non-neuronal ACh release from bladder urothelial cells and to determine if urothelial cells could be a site of action of anti-muscarinic drugs. A novel technique was developed
Charlotte Welinder et al.
Cancer letters, 358(1), 43-46 (2014-12-22)
Cytokeratin 20 (CK20) is a well-established marker for colon epithelium. Herein, we suggest that CK20 is a biomarker for detecting circulating tumor cells (CTCs) in patients with metastatic colorectal cancer. Blood specimens (7.5 mL) were collected during surgery after liver mobilization
Qin Zhou et al.
The Journal of biological chemistry, 281(24), 16453-16461 (2006-04-13)
Keratin polypeptide 20 (K20) is an intermediate filament protein with preferential expression in epithelia of the stomach, intestine, uterus, and bladder and in Merkel cells of the skin. K20 expression is used as a marker to distinguish metastatic tumor origin
Qin Zhou et al.
Molecular biology of the cell, 14(7), 2959-2971 (2003-07-15)
Of the >20 epithelial keratins, keratin 20 (K20) has an unusual distribution and is poorly studied. We began to address K20 function, by expressing human wild-type and Arg80-->His (R80H) genomic (18 kb) and cDNA K20 in cells and mice. Arg80

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