Colorless crystals or white to off-white
2,4-Diaminobutyric Acid is also found to inhibit GABA transaminase, thus producing an elevation of GABA level, and to have an antitumor activity in vitro and in vivo against mouse fibrosarcoma cells. It is also used as an internal standard for amino acid analysis.
DL-2,4-Diaminobutyric acid is a racemic mixture of the selective GABA uptake inhibitors L-DABA and D-DABA. DL-2,4-diaminobutyric acid is found in cell-wall peptidoglycan of Leifsonia bigeumensis sp. Nov.
