Purification and Some Properties of a Novel Ethanol Dehydrogenase with High Activity against Dulcitol 1-Phosphate from Salmonella Typhimurium IFO 12529

Takahisa Miyamoto, Keishi Yonemura, Makoto Yoshimoto, Shoji Hatano

Research output: Contribution to journalArticle

Abstract

A novel ethanol dehydrogenase with high activity against dulcitol 1-phosphate (D1P-EDH) was purified from Salmonella typhimurium IFO 12529 grown in a medium containing dulcitol as a carbon source. D1P-EDH was purified from a crude extract of S. typhimurium cells by (NH4)2SO4 precipitation and column chromatographies on Blue-Cellulofine, Sephacryl S-300, and Zorbax GF-250. D1P-EDH was purified 277-fold with an activity yield of 21.3%. The purified preparation gave a single band on an electrophoregram. The activity staining of the electrophoregram of the (NH4)2SO4 precipitate indicated that there was no isozyme of D1P-EDH in the extract. The molecular weight of D1P-EDH was estimated to be 158,000 by gel filtration and 40,000 by SDS-poIyacrylamide gel electrophoresis. D1P-EDH showed its maximal activity in a pH range from 9.0 to 9.5. D1P-EDH was stable in a pH range from 6.0 to 10.0 and was also stable at 30°C for 120 min. The purified preparation oxidized fructose 6-phosphate and galactose 6-phosphate to the same extent as DIP and oxidized much more ethanol than DIP. D1P-EDH activity was strongly inhibited by p-chloromercuribenzoic acid and NaN3 though it was activated by Al3+, Ba2+, Ca2+, and Fe2+.

Original languageEnglish
Pages (from-to)3045-3051
Number of pages7
JournalAgricultural and Biological Chemistry
Volume55
Issue number12
DOIs
Publication statusPublished - Jan 1 1991

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Galactitol
galactitol
Salmonella
Salmonella typhimurium
Salmonella Typhimurium
Purification
Oxidoreductases
Ethanol
p-Chloromercuribenzoic Acid
Gels
Phosphates
ethanol
phosphates
fructose 6-phosphate
Sodium Azide
Column chromatography
extracts
Electrophoresis
Complex Mixtures
galactose

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Purification and Some Properties of a Novel Ethanol Dehydrogenase with High Activity against Dulcitol 1-Phosphate from Salmonella Typhimurium IFO 12529. / Miyamoto, Takahisa; Yonemura, Keishi; Yoshimoto, Makoto; Hatano, Shoji.

In: Agricultural and Biological Chemistry, Vol. 55, No. 12, 01.01.1991, p. 3045-3051.

Research output: Contribution to journalArticle

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