Immunogen
L-glutamic acid (Glu).
Specificity
The antiserum is evaluated for activity and specificity by dot-blot immunoassay. The antiserum recognizes L-glutamic acid immobilized on an affinity membrane. No cross-reaction is observed with L-aspartic acid, L-glutamine, L-asparagine, and L-alanine. Weak cross-reactivity is observed with Gly-Asp, GABA, β-alanine, glycine and 5-aminovaleric acid (amino acid concentration 5-10 mM). Weak to moderate reaction is observed with L-glutamic acid-containing dipeptides Asp-Glu and Gly-Glu. The antibody may be used to localize glutamate in cell bodies, axons, and terminals of glutamatergic neurons in the CNS.