Purity:Purified by Protein A affinity chromatography.
Form:Supplied as a liquid in 0.3M sodium chloride, 1.25mM EDTA, 0.09% sodium azide.
Specificity:Recognizes N antigen (identical site on glycophorins AN and B). Crossreactivity: Weak crossreactivity with M antigen when the titer of reagent with NN red blood cells is more than 1:256 in microplate test.