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S-Layer SgsE from Geobacillus stearothermophilus

S-layers (crystalline bacterial surface layer) are crystal-like layers consisting of multiple protein monomers and can be found in various (archae-)bacteria. They constitute the outermost part of the cell wall. Especially their ability for self-assembly into distinct geometries is of scientific interest. At phase boundaries, in solutions and on a variety of surfaces they form different lattice structures. The geometry and arrangement is determined by the C-terminal self assembly-domain, which is specific for each S-layer protein. The most common lattice geometries are oblique, square and hexagonal. By modifying the characteristics of the S-layer through combination with functional groups and protein domains as well as their defined position and orientation to eachother (determined by the S-layer geometry) it is possible to realize various practical applications ([http://onlinelibrary.wiley.com/doi/10.1111/j.1574-6968.2006.00573.x/full Sleytr et al., 2007]).

Usage and Biology

S-layer proteins can be used as scaffold for nanobiotechnological applications and devices by e.g. fusing the S-layer's self-assembly domain to other functional protein domains. It is possible to coat surfaces and liposomes with S-layers. A big advantage of S-layers: after expressing in E. coli and purification, the nanobiotechnological system is cell-free. This enhances the biological security of a device.

This S-layer gene is in the Freiburg BioBrick Assembly standard so functional protein domains can easily be fused to its C- or N-terminus. SgsE was characterized with Status: 500 Content-type: text/html

Software error:

Global symbol "$range" requires explicit package name at /websites/parts.igem.org/cgi/lib/Range.pm line 250.
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syntax error at /websites/parts.igem.org/cgi/lib/Range.pm line 251, near "}"
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Global symbol "$course" requires explicit package name at /websites/parts.igem.org/cgi/lib/Range.pm line 288.
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Sequence and Features Status: 500 Content-type: text/html

Software error:

Global symbol "$range" requires explicit package name at /websites/parts.igem.org/cgi/lib/Range.pm line 250.
Unmatched right curly bracket at /websites/parts.igem.org/cgi/lib/Range.pm line 251, at end of line
syntax error at /websites/parts.igem.org/cgi/lib/Range.pm line 251, near "}"
Can't use global @_ in "my" at /websites/parts.igem.org/cgi/lib/Range.pm line 261, near "= @_"
syntax error at /websites/parts.igem.org/cgi/lib/Range.pm line 282, near "}"
Can't use global @_ in "my" at /websites/parts.igem.org/cgi/lib/Range.pm line 286, near "= @_"
Global symbol "$course" requires explicit package name at /websites/parts.igem.org/cgi/lib/Range.pm line 288.
syntax error at /websites/parts.igem.org/cgi/lib/Range.pm line 314, near "}"
Compilation failed in require at /websites/parts.igem.org/cgi/lib/Part.pm line 16.
BEGIN failed--compilation aborted at /websites/parts.igem.org/cgi/lib/Part.pm line 16.
Compilation failed in require at /websites/parts.igem.org/cgi/partsdb/putout.cgi line 8.
BEGIN failed--compilation aborted at /websites/parts.igem.org/cgi/partsdb/putout.cgi line 8.

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