Rat Anti-Mouse Epigen

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Cat-Nr.103-M379
Size100 µg
Price250 €
CategoryMonoclonal Antibody
Clone Nr.(#2L47)
IsotypeIgG2
Species ReactivityMouse
Formulationlyophilized
BufferPBS
ReconstitutionReconstitute the antibody with 500 µl sterile PBS and the final concentration is 200 µg/ml.
Stability and StorageLyophilized samples are stable for 2 years from date of receipt when stored at -70°C. Reconstituted antibody can be aliquoted and stored frozen at < -20 °C for at least for six months without detectable loss of activity.
PreparationThis antibody was produced from a hybridoma (mouse myeloma fused with spleen cells from a mouse) immunized with human recombinant ErbB3 (also called Her-3).
Antigenrecombinant mouse protein Epigen
ApplicationWB
SynonymsEsm1; ESM-1; AV004503; 0610042H23Rik
DescriptionEpigen (EPGN) is an epithelial mitogen that belongs to the EGF superfamily. Mouse Epigen cDNA encodes a 152 amino acid (aa) residue type I transmembrane precursor protein with a 23 aa putative signal peptide, an 86 aa extracellular domain, a 21 aa transmembrane domain and a 22 aa cytoplasmic domain. The extracellular domain (aa 24-109) contains a pattern of six cysteines typical of EGF family proteins. Epigen is among several EGF family proteins that can undergo metalloproteinase cleavage to generate a soluble form. Cleavage of Epigen by TACE/ADAM17 has been demonstrated. The mature, shed form of mouse Epigen (aa 53-103) shares 92%, 96% and 90% aa sequence identity with human, rat and equine Epigen, respectively, and more than 40% aa identity with corresponding regions of TGFα and epiregulin. Epigen mRNA is found in many tissues, but it is mainly expressed in actively proliferating cells within these tissues. For example, Epigen in skin is found mainly in the proliferating root sheath of hair follicles, and transgenic overexpression in the skin causes hyperplasia in sebaceous glands. Epigen is also expressed developmentally and by invasive adenocarcinomas of the breast and prostate. Epigen is strongly mitogenic for epithelial cells and fibroblasts, despite its relatively weak affinity for its main receptor, ErbB1. The mitogenic potential of Epigen is enhanced by its unusually long persistence on the membrane before ubiquitylation and receptor-mediated-depletion.
Uniprot IDQ924X1
Protein RefSeqNP_444317.1
mRNA RefSeqNM_053087.2

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