Mouse Anti-CK20 antibody | Sunlong Medical

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Cytokeratin 20; CK 20; CK20; Cytokeratin20; K20; Keratin 20; Keratin type I cytoskeletal 20; Keratin20; KRT 20; KRT 21; KRT20; KRT21; MGC35423; Protein IT; K1C20_HUMAN.

Cat:

SH0221

Species Reactivity：

Human,

Immunogen：

KLH conjugated synthetic peptide derived from human CK20

Format：

Liquid

Storage instructions：

Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.

Concentration：

1mg/ml

Clonality：

Monoclonal

Isotype：

IgG2a

Applications：

IHC-P=1:100-500IHC-F=1:100-500ICC=1:100-500IF=1:100-500（Paraffin sections need to do antigen repair）not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.

Host：

Mouse

Product Overview：

Paraformaldehyde-fixed, paraffin embedded (human colon carcinoma); Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with (CK20) Monoclonal Antibody, Unconjugated (SH0221) at 1:200 overnight at 4°C, followed by operating according to SP Kit(Mouse)(sp-0024) instructionsand DAB staining.Paraformaldehyde-fixed, paraffin embedded (human colon); Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with (CK20) Monoclonal Antibody, Unconjugated (SH0221) at 1:200 overnight at 4°C, followed by operating according to SP Kit(Mouse)(sp-0024) instructionsand DAB staining.

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Unit:

Price: $276.00

Product PDFs

Datasheet: Down Datasheet

Other Information
Citations
Protein Attributes
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Cytokeratin 20 is a type I keratin which is primarily expressed in gastric and intestinal epithelium, urothelium, and Merkel-cells. 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. Their genes are clustered in a region of chromosome 17q12-q21. Cytokeratin 20 is a major cellular protein of mature enterocytes and goblet cells and is specifically expressed in the gastric and intestinal mucosa. It is also expressed in adenocarcinomas of the colon, stomach, pancreas and the bile system and is present in mucinous ovarian tumors, transitional-cell and Merkel-cell carcinomas. Notably, the squamous cell carcinomas and adenocarcinomas of the breast, lung, and endometrium, non-mucinous tumors of the ovary, and small cell carcinomas lack cytokeratin 20.

Function:
Plays a significant role in maintaining keratin filament organization in intestinal epithelia. When phosphorylated, plays a role in the secretion of mucin in the small intestine (By similarity).

Subunit:
Heterotetramer of two type I and two type II keratins. Associates with KRT8.

Subcellular Location:
Cytoplasm.

Tissue Specificity:
Expressed predominantly in the intestinal epithelium. Expressed in luminal cells of colonic mucosa. Also expressed in the Merkel cells of keratinized oral mucosa; specifically at the tips of some rete ridges of the gingival mucosa, in the basal layer of the palatal mucosa and in the taste buds of lingual mucosa.

Post-translational modifications:
Hyperphosphorylation at Ser-13 occurs during the early stages of apoptosis but becomes less prominent during the later stages. Phosphorylation at Ser-13 also increases in response to stress brought on by cell injury (By similarity).
Proteolytically cleaved by caspases during apoptosis. Cleavage occurs at Asp-228.

Similarity:
Belongs to the intermediate filament family.

SWISS:
P35900

Gene ID:
54474

Database links:

Entrez Gene: 54474 Human

Entrez Gene: 61369 Mouse

Entrez Gene: 286912 Rat

Omim: 608218 Human

SwissProt: P35900 Human

SwissProt: Q9D312 Mouse

SwissProt: P25030 Rat

Unigene: 84905 Human

Unigene: 28042 Mouse

Unigene: 9887 Rat

Picture

Paraformaldehyde-fixed, paraffin embedded (human colon); Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with (CK20) Monoclonal Antibody, Unconjugated (SH0221) at 1:200 overnight at 4°C, followed by operating according to SP Kit(Mouse)(sp-0024) instructionsand DAB staining.

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