Function
Dehydrogenase that can use N-acetyl-c-aminobutyraldehyde (NAGABald), gamma-guanidinobutyraldehyde (GGBald), betaine aldehyde (Bet-ald), gamma-aminobutyraldehyde (GAB-ald), acetaldehyde, 4-aminobutylaldehyde (AB-ald), 3-aminopropionaldehyde (AP-ald), 4-N-trimethylaminobutyraldehyde (TMAB-ald) and 3-N-trimethylaminopropionaldehyde (TMAP-ald) as substrates. Catalyzes the oxidation of GAB-ald more efficiently than Bet-ald. Mediates the conversion of GAB-ald into gamma-aminobutyric acid (GABA), and prevents the formation of 2-acetyl-1-pyrroline (2AP) which gives fragrant rice its aromatic properties.
Sequence
MATAIPQRQLFVAGEWRAPALGRRLPVVNPATESPIGEIPAGTAEDVDAAVAAAREALKRNRGRDWARAPGAVRAKYLRAIAAKIIERKSELARLETLDCGKPLDEAAWDMDDVAGCFEYFADLAESLDKRQNAPVSLPMENFKCYLRKEPIGVVGLITPWNYPLLMATWKVAPALAAGCTAVLKPSELASVTCLELADVCKEVGLPSGVLNIVTGLGSEAGAPLSSHPGVDKVAFTGSYETGKKIMASAAPMVKPVSLELGGKSPIVVFDDVDVEKAVEWTLFGCFWTNGQICSATSRLILHKKIAKEFQERMVAWAKNIKVSDPLEEGCRLGPVVSEGQYEKIKQFVSTAKSQGATILTGGVRPKHLEKGFYIEPTIITDVDTSMQIWREEVFGPVLCVKEFSTEEEAIELANDTHYGLAGAVLSGDRERCQRLTEEIDAGIIWVNCSQPCFCQAPWGGNKRSGFGRELGEGGIDNYLSVKQVTEYASDEPWGWYKSPSKL