PMID:16023116
| Citation |
Samsonova, NN, Smirnov, SV, Novikova, AE and Ptitsyn, LR (2005) Identification of Escherichia coli K12 YdcW protein as a gamma-aminobutyraldehyde dehydrogenase. FEBS Lett. 579:4107-12 |
|---|---|
| Abstract |
Gamma-aminobutyraldehyde dehydrogenase (ABALDH) from wild-type E. coli K12 was purified to apparent homogeneity and identified as YdcW by MS-analysis. YdcW exists as a tetramer of 202+/-29 kDa in the native state, a molecular mass of one subunit was determined as 51+/-3 kDa. Km parameters of YdcW for gamma-aminobutyraldehyde, NAD+ and NADP+ were 41+/-7, 54+/-10 and 484+/-72 microM, respectively. YdcW is the unique ABALDH in E. coli K12. A coupling action of E. coli YgjG putrescine transaminase and YdcW dehydrogenase in vitro resulted in conversion of putrescine into gamma-aminobutyric acid. |
| Links |
PubMed Online version:10.1016/j.febslet.2005.06.038 |
| Keywords |
Aldehyde Oxidoreductases/chemistry; Aldehyde Oxidoreductases/isolation & purification; Aldehyde Oxidoreductases/metabolism; Amino Acid Sequence; Chromatography, High Pressure Liquid; Escherichia coli/enzymology; Escherichia coli/metabolism; Escherichia coli Proteins/chemistry; Escherichia coli Proteins/isolation & purification; Escherichia coli Proteins/metabolism; Molecular Sequence Data; Sequence Homology, Amino Acid |
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