p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Times; color: #000000; -webkit-text-stroke: #000000}span.s1 {font-kerning: none} This product is a donkey antibody that specifically recognizes heavy (γ) chains on sheep IgG and light chains on all sheep immunoglobulins.