EC 1.2.1.47     
Accepted name: 4-trimethylammoniobutyraldehyde dehydrogenase
Reaction: 4-trimethylammoniobutanal + NAD+ + H2O = 4-trimethylammoniobutanoate + NADH + 2 H+
Other name(s): 4-trimethylaminobutyraldehyde dehydrogenase; 4-N-trimethylaminobutyraldehyde dehydrogenase
Systematic name: 4-trimethylammoniobutanal:NAD+ 1-oxidoreductase
References:
1.  Rebouche, C.J. and Engel, A.G. Tissue distribution of carnitine biosynthetic enzymes in man. Biochim. Biophys. Acta 630 (1980) 22–29. [PMID: 6770910]
[EC 1.2.1.47 created 1983]