beta-HCG Free Recombinant Protein

Description: Recombinant full length human free beta-HCG protein with molecular weight 19 kDa.

Background: Human chorionic gonadotropin (CG) is a glycoprotein hormone produced by trophoblastic cells of the placenta beginning 10 to 12 days after conception. It is a glycoprotein composed of 237 amino acids with a molecular mass of 25.7 kDa. It is heterodimeric, with an alpha (alpha) subunit identical to that of luteinizing hormone (LH), follicle-stimulating hormone (FSH), thyroid-stimulating hormone (TSH), and beta (beta) subunit that is unique to hCG. beta subunit is secreted by some cancers including seminoma, choriocarcinoma, germ cell tumors, hydatidiform mole formation, teratoma with elements of choriocarcinoma, and islet cell tumor. Combined with alpha-fetoprotein, beta-HCG is an excellent tumor marker for the monitoring of germ cell tumors.

1. Lapthorn AJ, Harris DC, Littlejohn A, Lustbader JW, Canfield RE, Machin KJ, Morgan FJ, Isaacs NW (June 1994). "Crystal structure of human chorionic gonadotropin". Nature 369 (6480): 455-61.

Small volumes of beta-HCG recombinant protein vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

MBS355885 is a recombinant protein targeting beta-HCG. Also known as Free beta-HCG Protein (Active). Host: E Coli.