comparative studies of other amino acids [ 3h-leucine , 3h-serine , 3h-glutamic acid , 3h-gamma-aminobutyric acid ( 3h-gaba ) , and 3h-alanine ] showed that 3h-glycine is the only amino acid that is rapidly axonally transported in large quantities within the r3-14 axons .
C0001898
alanine
C0002520
amino acid