CD28 Antibody, anti-rat, APC, REAfinity™

01MT02182

Clone REA206 recognizes rat CD28, a 44 kDa glycoprotein also known as Tp44. CD28 is a homodimeric type I transmembrane protein of the Ig receptor superfamily, composed of disulfide-linked subunits. It is a costimulatory molecule which is expressed on most thymocytes, CD4+ and CD8+ T cells, and NK cells. Expression of CD28 is down-regulated at late stages of terminal effector T cell differentiation. Ligation of CD28 with CD80 (B7-1) and CD86 (B7-2) provides a costimulatory signal for T cell activation.Additional information: Clone REA206 displays negligible binding to Fc receptors.