Anti-Cytokeratin 4/KRT4 Antibody Picoband®
Primary Antibody supplied by Boster Bio Read more ›

Product Description
Keratin, type I cytoskeletal 4 also known as cytokeratin-4 (CK-4) or keratin-4 (K4) is a protein that in humans is encoded by the KRT4 gene. The protein encoded by this gene is a member of the keratin gene family. The type II cytokeratins consist of basic or neutral proteins which are arranged in pairs of heterotypic keratin chains coexpressed during differentiation of simple and stratified epithelial tissues. This type II cytokeratin is specifically expressed in differentiated layers of the mucosal and esophageal epithelia with family member KRT13. Mutations in these genes have been associated with White Sponge Nevus, characterized by oral, esophageal, and anal leukoplakia. The type II cytokeratins are clustered in a region of chromosome 12q12-q13.
Product information
| Supplier | Boster Bio |
|---|---|
| ABMIUM evidence status | ABMIUM Verified™ collaborator-tested data |
| Catalogue reference | A07410-3 |
| Product category | Primary Antibodies |
| Reactive species | Human |
| Tested applications | ELISA, Flow Cytometry, IF/ICC, IHC, IHC-P, WB |
| Available conjugations | Unconjugated, Biotin, Cy3, Fluoro488, Fluoro550, Fluoro594, FITC, HRP, APC, PE, Fluoro647 |
| Gene name | KRT4 |
| Protein name | Keratin, type II cytoskeletal 4 |
| Immunogen | E.coli-derived human Cytokeratin 4/KRT4 recombinant protein (Position: N170-S427). |
| Host | Rabbit |
| Clonality | Polyclonal |
| Isotype | Rabbit IgG |
| Purification | Immunogen affinity purified. |
| Storage | At -20℃ for one year from date of receipt. After reconstitution, at 4℃ for one month. It can also be aliquotted and stored frozen at -20℃ for six months. Avoid repeated freezing and thawing. |
| UniProt | P19013 |
| NCBI Gene ID | 3851 |
Available variants
| Conjugation | Size |
|---|---|
| Unconjugated | 100 μg/vial |
| Biotin | 100 μg/vial |
| Cy3 | 100 μg/vial |
| Fluoro488 | 100 μg/vial |
| Fluoro550 | 100 μg/vial |
| Fluoro594 | 100 μg/vial |
| FITC | 100 μg/vial |
| HRP | 100 μg/vial |
| APC | 100 μg/vial |
| PE | 100 μg/vial |
| Fluoro647 | 100 μg/vial |
Key Facts
| Target | Keratin, type II cytoskeletal 4 |
| Also known as | CK 4; CK4; CYK4; Cytokeratin 4; K4; keratin 4; KRT4; Type II keratin Kb4 |
| Concentration | Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml. |
| Species reactivity | Human |
| Observed band | 56 kDa |
| Form / buffer | Lyophilized |
| Shelf life | At -20℃ for one year from date of receipt. After reconstitution, at 4℃ for one month. It can also be aliquotted and stored frozen at -20℃ for six months. Avoid repeated freezing and thawing. |
| Host species | Rabbit |
| Clonality | Polyclonal |
| Isotype | Rabbit IgG |
| Conjugation | Unconjugated|Biotin|Cy3|Fluoro488|Fluoro550|Fluoro594|FITC|HRP|APC|PE|Fluoro647 |
| Non-cross-reactive with | No cross-reactivity with other proteins. |
| Tested applications |
ELISAFlow CytometryIF/ICCIHCIHC-PWB |
| Dilution range | Western blot, 0.25-0.5 μg/ml, Human Immunohistochemistry(Paraffin-embedded Section), 2-5 μg/ml, Human Immunofluorescence, 5 μg/ml, Human ELISA, 0.1-0.5 μg/ml, - |
| Immunogen | E.coli-derived human Cytokeratin 4/KRT4 recombinant protein (Position: N170-S427). |
| Purification | Immunogen affinity purified. |
Reactivity & Application Validation
1 species| Species | WB | IHC | IHC-P | IHC-F | IF/ICC | FLOW CYTOMETRY | ELISA | IP |
|---|---|---|---|---|---|---|---|---|
| Human |
Specifications
Immunohistochemistry(Paraffin-embedded Section), 2-5 μg/ml, Human
Immunofluorescence, 5 μg/ml, Human
ELISA, 0.1-0.5 μg/ml, -
Storage & Stability
Compliance & Certifications
Not intended for diagnostic or therapeutic use.