IGEM:MIT/2007/Ideas3

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Metal Pumps and Metal Specific Promoters

Mussel Protein

Expressing proteins on E coli cell membranes

Water Purification Methods

Metal Pumps and Metal Specific Promoters

Mussel Protein

Water Purification Methods

OmpX

[J., Welch, R., Erickson, J.W., and Gross, C.A. 1995. Identification and characterization of an outer membrane protein, OmpX, in Escherichia coli that is homologous to a family of outer membrane proteins including Ail of Yersinia enterocolitica. J. Bacteriol. 177: 799–804.Acad. Sci. 98: 3750–3755. Wittrup, K.D. 2001. Protein engineering by cell-surface display. Curr. Opin. Biotechnol. 12: 395–399.]

[|OmpX sequence]

Sequence

  1. Native SS
MKKIACLSALAAVLAFTAGTSVA
  1. Embedded SfiI restriction site
GQSGQ
  1. Passenger Peptide
XXXXXXXXXXXXXX
  1. Sequence
GGQSGQ
  1. S54-F148
SGDYNKNQYYGITAGPAYRINDWASIYGVVGVGYGKFQTTEYPTYKHDTSDYGFSYGAGLQFNPMENVALDFSYEQSRIRSVDVGTWIAGVGYRF

Join native C and N GGSG

A1-S53 ATSTVTGGYAQSDAQGQMNKMGGFNLKYRYEEDNSPLGVIGSFTYTEKSRTAS

Papers!

  1. Samuelson P, Wernérus H, Svedberg M, and Ståhl S. Staphylococcal surface display of metal-binding polyhistidyl peptides. Appl Environ Microbiol. 2000 Mar;66(3):1243-8. PubMed ID:10698802 | HubMed [Samuelson00]
  2. Kotrba P, Dolecková L, de Lorenzo V, and Ruml T. Enhanced bioaccumulation of heavy metal ions by bacterial cells due to surface display of short metal binding peptides. Appl Environ Microbiol. 1999 Mar;65(3):1092-8. PubMed ID:10049868 | HubMed [Kotrba99]
All Medline abstracts: PubMed | HubMed