
Y011326 by MBP is a rabbit polyclonal antibody detecting TrkA (NTRK1) phosphorylated at Serine 791 in the intracellular domain. TrkA is the high-affinity NGF receptor; Ser791 is a cytoplasmic serine phosphorylation site distinct from the canonical activation loop Tyr674/675 and Shc-docking Tyr490. MW ~140 kDa (glycosylated). WB, IHC, IF; human. Research Use Only.