Re: Cerulean Venus binding possible?
Posted by
Kurt Thorn on
URL: http://confocal-microscopy-list.275.s1.nabble.com/Re-Ana-alarming-amount-of-image-manipulation-tp592857p1317090.html
It's been well documented that GFP and its derivatives will dimerize.
The Kd is about 100 uM; mutating A206 to K or R abolishes this dimerization.
See
http://www.ncbi.nlm.nih.gov/pubmed/11988576 for the details.
Kurt
Koo, Lily (NIH/NIAID) [F] wrote:
> Hello all,
>
> One of my colleagues is conducting an experiment in which she studies
> the diffusion of her membrane protein tagged with Cerulean; also present
> in her cell is another membrane protein tagged with Venus. Her control
> experiments seem to suggest a possibility that Cerulean and Venus may
> bind to each other.
>
> Has anyone had similar observations or suspicion, at least in cell
> membranes?
>
> Thanks,
>
> Lily
>
>
--
Kurt Thorn, PhD
Director, Nikon Imaging Center
University of California San Francisco
UCSF MC 2140
Genentech Hall Room S252
600 16th St.
San Francisco, CA 94158-2517
http://nic.ucsf.eduphone 415.514.9709
fax 415.514.4300