Membrane Topology and Functional Analysis of Methylobacillus sp. 12S Genes epsF and epsG, Encoding Polysaccharide Chain-Length Determining Proteins

The EpsF and EpsG of the methanol-assimilating bacterium Methylobacillus sp. 12S are involved in the synthesis of a high molecular weight exopolysaccharide, methanolan. These proteins share homology with chain-length determiners in other polysaccharide-producing bacteria. The N- and C-termini of Eps...

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Veröffentlicht in:	Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2012, Vol.76 (3), p.608-612
Hauptverfasser:	AYABE-CHUJO, Yuko, USAMI, Yusuke, YOSHIDA, Takako, OMORI, Toshio, NOJIRI, Hideaki
Format:	Artikel
Sprache:	eng
Schlagworte:	Amino Acid Sequence Bacterial Proteins - chemistry Bacterial Proteins - genetics Bacterial Proteins - metabolism Biological and medical sciences Cell Membrane - metabolism chain-length extracellular polysaccharide Fundamental and applied biological sciences. Psychology membrane topology Methylobacillus Methylobacillus - cytology Methylobacillus - genetics Methylobacillus - metabolism Molecular Sequence Data phosphorylation Polysaccharides - biosynthesis Polysaccharides - chemistry
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Zusammenfassung:	The EpsF and EpsG of the methanol-assimilating bacterium Methylobacillus sp. 12S are involved in the synthesis of a high molecular weight exopolysaccharide, methanolan. These proteins share homology with chain-length determiners in other polysaccharide-producing bacteria. The N- and C-termini of EpsF were found to locate to the cytoplasm, and EpsF was predicted to have two transmembrane regions. EpsG showed both ATPase and autophosphorylation activities.
ISSN:	0916-8451 1347-6947
DOI:	10.1271/bbb.110831