
Y011261 by MBP is a rabbit polyclonal antibody detecting GluR1 (GRIA1/GluA1) phosphorylated at Serine 849 in the C-terminal intracellular domain (immunogen region: aa 816–865), a post-translational site involved in AMPA receptor regulation and synaptic plasticity. MW ~105–110 kDa. Validated for IHC, IF, and ELISA. Research Use Only.