Fusion protein amino acids 1-389 (extracellular N-terminus) of rat GluA1/GluR1 (also known as Glutamate receptor 1, Ionotropic AMPA-selective glutamate receptor 1, GluR-A, GluR-K1, GLUH1 and Gria1, accession number P19490)
Mouse: 99% identity (388/389 amino acids identical)Human: 97% identity (379/389 amino acids identical)100% identity between Flip and Flop isoforms>50% identity with GluA2/GluR2, GluA3/GluR3 and GluA4/GluR4