Target：Cytokeratin 19
Fields：Estrogen signaling pathway;Staphylococcus aureus infection
Gene Name：KRT19
Protein Name：Keratin type I cytoskeletal 19
Human Gene Id：3880
Human Swiss Prot No：P08727
Mouse Gene Id：16669
Mouse Swiss Prot No：P19001
Rat Gene Id：360626
Rat Swiss Prot No：Q63279
Immunogen：Synthetic Peptide of CK19
Specificity：The antibody detects endogenous CK19 proteins.
Formulation：PBS, pH 7.4, containing 0.5%BSA, 0.02% sodium azide as Preservative and 50% Glycerol.
Source：Monoclonal, Mouse
Dilution：IHC 1:200-400;IF ICC 1:200-400
Purification：The antibody was affinity-purified from mouse ascites by affinity-chromatography using specific immunogen.
Storage Stability：-15°C to -25°C/1 year(Do not lower than -25°C)
Other Name：KRT19;Keratin, type I cytoskeletal 19;Cytokeratin-19;CK-19;Keratin-19;K19
Observed Band(KD)：44kD
Background： 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. Unlike its related family members, this smallest known acidic cytokeratin is not paired with a basic cytokeratin in epithelial cells. It is specifically expressed in the periderm, the transiently superficial layer that envelopes the developing epidermis. The type I cytokeratins are clustered in a region of chromosome 17q12-q21. [provided by RefSeq, Jul 2008],
Function：developmental stage:Present in hair follicles at all stages of development.,domain:This keratin differs from all other IF proteins in lacking the C-terminal tail domain.,function:Involved in the organization of myofibers. Together with KRT8, helps to link the contractile apparatus to dystrophin at the costameres of striated muscle.,miscellaneous:There are two types of cytoskeletal and microfibrillar keratin: I (acidic; 40-55 kDa) and II (neutral to basic; 56-70 kDa).,similarity:Belongs to the intermediate filament family.,subunit:Heterotetramer of two type I and two type II keratins. Interacts with PNN and the actin-binding domain of DMD. Interacts with HCV core protein.,tissue specificity:Expressed in a defined zone of basal keratinocytes in the deep outer root sheath of hair follicles. Also observed in sweat gland and mammary gland ductal and secretory cells, bile ducts, gastrointestin
Subcellular Location：intermediate filament,plasma membrane,dystrophin-associated glycoprotein complex,Z disc,sarcolemma,costamere,extracellular exosome,cell periphery,terminal web,
Expression：Expressed in a defined zone of basal keratinocytes in the deep outer root sheath of hair follicles. Also observed in sweat gland and mammary gland ductal and secretory cells, bile ducts, gastrointestinal tract, bladder urothelium, oral epithelia, esophagus, ectocervical epithelium (at protein level). Expressed in epidermal basal cells, in nipple epidermis and a defined region of the hair follicle. Also seen in a subset of vascular wall cells in both the veins and artery of human umbilical cord, and in umbilical cord vascular smooth muscle. Observed in muscle fibers accumulating in the costameres of myoplasm at the sarcolemma in structures that contain dystrophin and spectrin.
