The process in which a protein folds into a three-dimensional shape to achieve proper functioning.

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Western blot extrange band

I performed a WB using plasma rats and monkeys samples with anti ubiquitin K-48 antibody. In every sample the antibody binds something and it appears a specific band that seems to be 71kDa. When I ...
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Proteins folding

Some of us are involved in the folding@home project, spending time, money and resources. I would like to know an answer to two main questions: how do we know we fold it right? I mean these models ...
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Is there an optimal composition and length for protein linkers in FRET?

I'm designing a protein that I'd like to use in FRET reporting. General idea on the shape is: FRETprotein1--Linker--CleavageSite--Linker--FRETprotein2. I would like to know what AA are best for the ...