Difference between revisions of "Part:BBa K1593209"

 
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OprF is a kind of porin on the outer membrane of Pseudomonus aeruginosa. OprF represents one of the largest pore sizes on bacterial outer membranes, allowing diffusion of polysaccharides in a range of 2000 to 3000 Da. The overexpression of OprF in E. coli will drastically improve the antibiotic absorption capability, like antibiotic condensation occured in E. coli.
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OprF is the major porin of Pseudomonas aeruginosa. OprF represents one of the largest pore sizes on bacterial outer membranes, allowing diffusion of polysaccharides in a range of 2000 to 3000 Da. The overexpression of OprF in E. coli will drastically improve the antibiotic absorption capability, like antibiotic condensation occured in E. coli.
  
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== Description ==
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Classification:transport protein
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Lehgth:175(AA)
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Weight:21698.79
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== Electrophorogram ==
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[[image:USTC-OprF.jpg]]
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== Stracture ==
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Porins are beta barrel proteins crossing a celluar membrane and act as a pore through which molecules are able to diffuse.
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[[File:OprF.jpg]]
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== Why OprF ==
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In E. coli different porins, for example OmpF and OmpC is expressed endogenously in different situations for different molecules. But these natural occurring porines are only permeable for molecules like sugars smaller than 600 Da. And more importantly, implement of micF, an antisense ncRNA may inhibit the material diffusion through OmpF. Therefore, it is necessary to import an exogenous porin with higher effiency of small molecular tranportation, such as OprF derived from Pseudomonas aeruginosa.
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===Usage and Biology===
 
===Usage and Biology===
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Latest revision as of 12:49, 18 September 2015

Porin: OprF from Pseudomonas aeruginosa

OprF is the major porin of Pseudomonas aeruginosa. OprF represents one of the largest pore sizes on bacterial outer membranes, allowing diffusion of polysaccharides in a range of 2000 to 3000 Da. The overexpression of OprF in E. coli will drastically improve the antibiotic absorption capability, like antibiotic condensation occured in E. coli.


Description

Classification:transport protein

Lehgth:175(AA)

Weight:21698.79

Electrophorogram

USTC-OprF.jpg

Stracture

Porins are beta barrel proteins crossing a celluar membrane and act as a pore through which molecules are able to diffuse.

OprF.jpg

Why OprF

In E. coli different porins, for example OmpF and OmpC is expressed endogenously in different situations for different molecules. But these natural occurring porines are only permeable for molecules like sugars smaller than 600 Da. And more importantly, implement of micF, an antisense ncRNA may inhibit the material diffusion through OmpF. Therefore, it is necessary to import an exogenous porin with higher effiency of small molecular tranportation, such as OprF derived from Pseudomonas aeruginosa.

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
    INCOMPATIBLE WITH RFC[25]
    Illegal AgeI site found at 582
  • 1000
    COMPATIBLE WITH RFC[1000]