ProSpec Bio Recombinant Human Pregnancy-Associated Plasma Protein-1

Recombinant Human Pregnancy-Associated Plasma Protein-1 by ProSpec Bio is human pregnancy-associated plasma protein-A (PAPP-A) (amino acids 81-271) produced in E. coli with a His tag, a 191-amino-acid protein of 25.75 kDa that is more than 95% pure. It is supplied as a solution (20 mM Tris Hcl PH 8.0, 4 M urea and 50% glycerol) in 2 µg, 10 µg and 1 mg sizes for prenatal screening and IGF research.