Composite

Part:BBa_K1963007

Designed by: Frank Sargent   Group: iGEM16_Dundee_Schools   (2016-10-09)
Revision as of 09:52, 23 October 2016 by Franksargent (Talk | contribs) (Usage and Biology)


Device for rhamnose-dependent expression of an OsmY.

An assembled device that contains a rhamnose-responsive promoter, a strong RBS and a biobrick encoding the E. coli OsmY protein.

Usage and Biology

The E. coli OsmY protein is really interesting. Originally dubbed "osmotically-induced protein Y" it is synthesised with an N-terminal signal peptide (MTMTRLKISKTLLAVMLTSAVATGSAYA) most likely of the Sec type. While the protein has been reported to be periplasmic, it also appears to be one of the few fully secreted proteins that E. coli K-12 synthesises. This property has been used in SynBio projects (e.g. Steen et al. 2010) and in protein production projects (e.g. Le & Wang 2014).

An OsmY-encoding biobrick was assembled by Washington iGEM in 2012 (


Osmy-hafrulhuq.png

Figure 1: Whole cell (A) and supernatant blots (B) of prhamnose-OsmY-HA (C) in the presence of increasing concentrations of Rhamnose. Anti-HA immunblot shows whole cell expression and secretion of OsmY-HA in the presence of Rhamnose.

Sequence and Features


Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 12
    COMPATIBLE WITH RFC[12]
  • 21
    COMPATIBLE WITH RFC[21]
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    COMPATIBLE WITH RFC[25]
  • 1000
    COMPATIBLE WITH RFC[1000]


[edit]
Categories
//awards/part_collection/2016
Parameters
None