Purity:Purified by Protein A affinity chromatography from culture supernatant.
Form:Supplied as a liquid in PBS, pH 7.4, 15mM sodium azide.
Specificity:Recognizes native Pregnancy-associated plasma protein A (human, PAPP-A) Heat and SDS denatured PAPP-A is also recognized, but not acid treated PAPP-A. The epitope of this product is different from those of clones 6F172 and 6F173. The epitope is located on the PAPP-A subunit of the heterotetramer.