A common precursor for the three subunits of L-glutamate oxidase encoded by gox gene from Streptomyces platensis NTU3304.

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Title:	A common precursor for the three subunits of L-glutamate oxidase encoded by gox gene from Streptomyces platensis NTU3304.
Authors:	Chen, CY Wu, WT Huang, CJ Lin, MH Chang, CK Huang, HJ Liao, JM Chen, LY Liu, YT
Contributors:	中山醫學大學
Date:	2001
Issue Date:	2015-07-23T10:40:17Z (UTC)
Abstract:	A segment of DNA containing the L-glutamate oxidase (gox) gene from Streptomyces platensis NTU3304 was cloned. The entire nucleotide sequence of the protein-coding portion consisting of 2130 bp (710 codons, including AUG and UGA) of the cloned DNA fragment was determined. The gox gene contained only one open reading frame (ORF) which coded for a 78-kDa polypeptide, the precursor of active extracellular Gox. Mature Gox is composed of three subunits, designated as alpha, beta, and gamma, with molecular masses of 39, 19, and 16 kDa, respectively. Analyses of the N-terminal amino acid sequences of the subunits revealed that the order of subunits in the precursor polypeptide encoded by the ORF, from N-terminus to C-terminus, is alpha-gamma-beta. The presence of the flavin adenine dinucleotide (FAD)-binding motif place Gox as a member of the flavoenzyme family. Furthermore, a negative effect of glucose on the biosynthesis of Gox was observed when it was used as carbon source.
URI:	https://ir.csmu.edu.tw:8080/ir/handle/310902500/11613
Relation:	Can J Microbiol. 2001 Mar;47(3):269-75.
Appears in Collections:	[醫學系] 期刊論文

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