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Purification and partial characterization of two azoreductases from Shigella dysenteriae Type 1
D K GHOSH, A MANDAL, J CHAUDHURI
Published in -
1992
Volume: 98
   
Issue: 43468
Pages: 229 - 233
Abstract
Two azoreductases (I and II) were purified to homogeneity from extracts of Shigella dysenteriae (type 1). Azoreductase I was a dimer of identical subunits of Mr 28 000, whereas azoreductase II was a monomer of 11 000 Mr. Both were flavoproteins, each containing 1 mol of FMN per mol enzyme. Both NADH and NADPH functioned as electron donors for the azoreductases. Azoreductase I used Ponceau SX, Tartrazine, Amaranth and Orange II as substrates. Azoreductase II utilized all the dyes except Amaranth. © 1992.
About the journal
JournalFEMS Microbiology Letters
Publisher-
ISSN0378-1097