反応性：Reacts with 30% of IgM-RF paraproteins from unrelated individuals. It does not recognize IgM, IgA, or IgG proteins lacking RF, nor with pooled F (ab')2 fragments.
特異性：Human rheumatoid factor
形状：Protein G purified Ig, supplied in PBS buffer, pH 7.4 with NO PRESERVATIVES ADDED.
