[Protein-analysis] Re: why left handed helix is not found

sandeep sandeepg0007 at yahoo.co.in
Tue Jul 4 05:47:51 EST 2006


Raoul Fleckman wrote:
> On 2006-07-03, sandeep <sandeepg0007 at yahoo.co.in> wrote:
> > does anybody know why left handed helix is not found in naturally
> > occuring proteins i got one PDB entry(1MIC) with a left handed protein
> > please comment on it
>
> what is the handedness of the component amino acids?
> (which might serve as a general illustrative question to the student;
>  one can hope)
i mean not the handedness of amino acids  i mean left handed helix of
protein molecule generaly amino acids can found in two states D and L
based on the position of r group with respect to other parts naturally
only L is found but in some bacteria which can foun  and anti microbial
too



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