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Product Description

Human Prolactin Receptor, chiMAX Fc Fusion Protein

Prolactin is a neuroendocrine peptide hormone that is secreted primarily by the pituitary gland. Prolactin receptor is a class 1 cytokine transmembrane receptor that varies in size with tissue source and species. It consists of an extracellular region with 5 cysteines which contains the prolactin , a single transmembrane domain and a cytoplasmic region. The extracellular domain (Gln25-Asp234) is expressed recombinantly, purified by chromatography, sterile filtered and lyophilized. 95 percent pure by SDS-PAGE and biologically active as measured by inhibitory activity toward prolactin-induced proliferation of Nb2-11 rat lymphoma cells (Gout et al. (1980) Cancer Res. 40:2433). ED50 for this effect is typically < 1.0 ug/ml in the presence of 0.5 ng/ml of recombinant human prolactin. Add deionized water to original volume, aliquot and freeze unused portion.