Native Gel Question

[Dr Engelbert Buxbaum]

Am 11.10.2007, 17:05 Uhr, schrieb Arne Christensen <arnec from bio.umass.edu>:


> Is it possible to run a native gel under basic conditions, but jack up  
> the pH of the running gel and buffer system, to say pH9.5 to try and  
> make my predicted IP6.7 protein more negatively charged?

Shure, you can freely select the pH at which you run your gel, this is  
possible even with discontinuous gels. You need an appropriate buffer  
system, which you can select on http://www.buffers.nichd.nih.gov/.

The relevant literature is:

@article{Jov-73a,
         AUTHOR= {T.M. Jovin},
         TITLE= {Multiphasic Zone Electrophoresis. {I}. {S}teady-State  
Moving-Boundary Systems Formed by Different Electrolyte Combinations},
         JOURNAL= {Biochemistry},
         VOLUME= {12},
         YEAR= {1973},
         PAGES= {871-879},
         LANGUAGE= {engl}
}

@article{Jov-73b,
         AUTHOR= {T.M. Jovin},
         TITLE= {Multiphasic Zone Electrophoresis. {II}. Design of  
Integrated Discontinuous Buffer Systems for Analytical and Preparative  
Fractionation},
         JOURNAL= {Biochemistry},
         VOLUME= {12},
         YEAR= {1973},
         PAGES= {879-890},
         LANGUAGE= {engl}
}

@article{Jov-73c,
         AUTHOR= {T.M. Jovin},
         TITLE= {Multiphasic Zone Electrophoresis. {III}. {F}urther  
Analysis and New Forms of Discontinuous Buffer Systems},
         JOURNAL= {Biochemistry},
         VOLUME= {12},
         YEAR= {1973},
         PAGES= {890-898},
         LANGUAGE= {engl}
}

@article{Jov-73d,
         AUTHOR= {T.M. Jovin},
         TITLE= {Multiphasic zone electrophoresis. {IV} {D}esign and  
analysis of discontinuous buffer systems with a digital computer},
         JOURNAL= {Ann. N.Y. Acad. Sci.},
         VOLUME= {209},
         YEAR= {1973},
         PAGES= {477-496},
         LANGUAGE= {engl}
}