Insight into the mechanism of enzymatic glycosyltransfer with retention through the synthesis and analysis of bisubstrate glycomimetics of trehalose-6-phosphate synthase
2wtx is a 4 chain structure with sequence from Escherichia coli K-12. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
OTSA_ECOLI Catalyzes the transfer of glucose from UDP-glucose to glucose-6-phosphate to form alpha,alpha-1,1 trehalose-6-phosphate. Acts with retention of the anomeric configuration of the UDP-sugar donor. Essential for viability of the cells at low temperatures and at elevated osmotic strength.[1][2][3]
Evolutionary Conservation
Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.
References
↑Kaasen I, Falkenberg P, Styrvold OB, Strom AR. Molecular cloning and physical mapping of the otsBA genes, which encode the osmoregulatory trehalose pathway of Escherichia coli: evidence that transcription is activated by katF (AppR) J Bacteriol. 1992 Feb;174(3):889-98. PMID:1310094
↑Giaever HM, Styrvold OB, Kaasen I, Strom AR. Biochemical and genetic characterization of osmoregulatory trehalose synthesis in Escherichia coli. J Bacteriol. 1988 Jun;170(6):2841-9. PMID:3131312
↑Kandror O, DeLeon A, Goldberg AL. Trehalose synthesis is induced upon exposure of Escherichia coli to cold and is essential for viability at low temperatures. Proc Natl Acad Sci U S A. 2002 Jul 23;99(15):9727-32. Epub 2002 Jul 8. PMID:12105274 doi:https://dx.doi.org/10.1073/pnas.142314099
