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Cloning and nucleotide sequence of a gene encoding a glycogen debranching enzyme in the trehalose operon from
1Hayashibara Biochemical Laboratories, Inc., 7-7 Amase-minami machi, Okayama, Japan. amaseken@hayahshibara.co.jp
Biochimica Et Biophysica Acta
|February 12, 2000
Abstract:
A gene located just upstream of the treYZ operon was isolated from Arthrobacter sp. strain Q36. The gene, designated treX, encoded an 823-amino acid protein. The amino acid sequence of the protein had 50% identity with the TreX protein (isoamylase) from Sulfolobus acidocaldarius ATCC 33909 which has a treZXY operon on the genome. We suggest that Arthrobacter treX is an isoamylase gene, and that it is a component of a treXYZ operon.