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| Product Name | Cytokeratin 19 Fragment (Cyfra 21-1 Antigen) |
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| Description | Purified by Ion Exchange Chromatography. 0.2um filtered. Known Contaminants: RIA: (Centocor CA-125, Truquant 27.29, Centocor CA 19-9): As reported. Cytokeratins are a subfamily of intermediate filament proteins and are characterized by a remarkable biochemical diversity, represented in epithelial tissues by at least 20 different polypeptides. They range in molecular weight between 40kD and 68kD and isoelectric pH between 4.9-7.8. The individual cytokeratin polypeptides are designated 1 to 20. Cytokeratin 1 has the highest molecular weight and the highest isoelectric pH, while cytokeratin 19 has the lowest molecular weight and a low isoelectric pH. The cytokeratins are divided into the type I and type II subgroups, the type II family members comprising the basic to neutral cytokeratins 1-8, while the type I group comprises the acidic cytokeratins 9-20. The cytokeratins are expressed in combinations which characterize the type of epithelium. Cytokeratin 19 is the smallest human cytokerat |
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| Size | 50ug |
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| Concentration | n/a |
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| Applications | n/a |
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| Other Names | n/a |
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| Gene, Accession, CAS # | n/a |
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| Catalog # | C9097 |
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| Order / More Info | Cytokeratin 19 Fragment (Cyfra 21-1 Antigen) from UNITED STATES BIOLOGICAL |
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| Product Specific References | n/a |
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