Part:BBa_K398406

Solvent tolerance cluster

BBa_K398406 enables E.coli of working in two-phase systems with resistance to high concentrations of hydrophobic molecules in the membrane. A growth rate increase of 62% in comparison to a standard E.coli was achieved at concentrations of 8% (v/v) n-hexane.

File:Protein 2ZDI.gif

Figure 1 - Proteins [http://www.rcsb.org/pdb/explore/explore.do?pdbId=2ZDI phPFDα and phPFDβ]

Introduction

The effect of organic solvents to organisms can be detrimental: they can accumulate in the cell membrane changing the composition, thus affecting its physiological function. BBa_K398406 produces prefoldin, a protein from Pyrococcus horikoshii OT3. Prefoldin is a part of a widely spread group of proteins: chaperones. These proteins have the property of helping during the protein folding process, and are related also to thermal shock resistance. The prefoldin constists of two subunits: phPFDα and phPFDβ (Figure 1). These proteins increase the tolerance to alkanes by acting as chaperones, which correct protein misfolding /unfolding in the presence of alkanes. [[|500px|center|thumb|figure 1: Model of the Solvent tolerance]]

The [http://2010.igem.org/Team:TU_Delft#page=Project/tolerance characterization of BBa_K398406] has been described on the TU Delft iGEM Team 2010 wiki.

Sequence and Features

Assembly Compatibility:

• 10
  INCOMPATIBLE WITH RFC[10]

  Illegal XbaI site found at 37
  
• 12
  INCOMPATIBLE WITH RFC[12]

  Illegal NheI site found at 7
  Illegal NheI site found at 30
  
• 21
  COMPATIBLE WITH RFC[21]
• 23
  INCOMPATIBLE WITH RFC[23]

  Illegal XbaI site found at 37
  
• 25
  INCOMPATIBLE WITH RFC[25]

  Illegal XbaI site found at 37
  
• 1000
  COMPATIBLE WITH RFC[1000]