Definition: Aliphatic four carbon acids substituted in any position(s) with amino group(s). They are found in most living things. The best known is GAMMA-AMINOBUTYRIC ACID.
general or unspecified; prefer specifics
Other names Acids, Aminobutyric; Acid, Aminobutyric; Aminobutyric Acid
2-amino-4-phosphonobutyric acid [ 2-amino-4-phosphonobutanoic acid,AP4 cpd,Abu(P),L-2-amino-4-phosphobutyric acid,L-2-amino-4-phosphonobutanoic acid,L-2-amino-4-phosphonobutyrate,L-AP4 cpd, butyric,L-APB ] glutamate antagonist in locust muscle; structure; do not confuse with L-AP4, which is the propionic acid version