|Positive WB detected in||MCF7 cells, HeLa cells, HepG2 cells, BxPC-3 cells|
|Positive IHC detected in||human colon tissue, human lung cancer tissue, human liver cancer tissue, human cervical cancer tissue, rat colon tissue, mouse colon tissue|
Note: suggested antigen retrieval with TE buffer pH 9.0; (*) Alternatively, antigen retrieval may be performed with citrate buffer pH 6.0
|Positive IF detected in||HeLa cells|
|Western Blot (WB)||WB : 1:500-1:3000|
|Immunohistochemistry (IHC)||IHC : 1:1000-1:6400|
|Immunofluorescence (IF)||IF : 1:200-1:800|
|Sample-dependent, check data in validation data gallery|
14965-1-AP targets Cytokeratin 19 in WB, IHC, IF, ELISA applications and shows reactivity with human, mouse, rat samples.
|Tested Reactivity||human, mouse, rat|
|Cited Reactivity||human, mouse|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Cytokeratin 19 fusion protein Ag6830|
|Full Name||keratin 19|
|Calculated molecular weight||44 kDa|
|Observed molecular weight||40 kDa, 46 kDa|
|GenBank accession number||BC002539|
|Gene ID (NCBI)||3880|
|Purification Method||Antigen affinity purification|
|Storage Buffer||PBS with 0.02% sodium azide and 50% glycerol pH 7.3.|
|Storage Conditions||Store at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage.|
Keratins are a large family of proteins that form the intermediate filament cytoskeleton of epithelial cells, which are classified into two major sequence types. Type I keratins are a group of acidic intermediate filament proteins, including K9-K23, and the hair keratins Ha1-Ha8. Type II keratins are the basic or neutral courterparts to the acidic type I keratins, including K1-K8, and the hair keratins, Hb1-Hb6. KRT19, one of type I keratins, is specifically expressed in the periderm, the transiently superficial layer that envelopes the developing epidermis. Due to its high sensitivity, KRT19 is the most used marker for detection of tumor cells disseminated in lymph nodes, peripheral blood, and bone marrow of breast cancer patients. This antibody, generated against full length KRT19 protein, also recognizes KRT17, another type I keratin homologous to KRT19.
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