Recombinant corresponding to mouse 4-1BB/TNFRSF9 extracellular domain expressed in NSO cells (P20334).
4-1BB, also known as CD137 and ILA (induced by lymphocyte activation), is a TNF receptor superfamily member and has been designated TNFRSF9. Mouse 4-1BB cDNA encodes a 256aa residue type I transmembrane protein.1-3 A soluble 4-1BB is released from the su