[BiO BB] How many peptide residues can form a meaningful/functional protein sequence?

[James Freeman]

Hi Jia,

If you your definition is broad enough that you can use the very small 
peptide chain held in the MHC complex's "Jaws of Life" as a possible 
lower bound of a "meaningful functional protein sequence".  Take a look 
at:

http://perso.wanadoo.fr/richard.casimir/autoimmunediseases.htm

as a basic reference.

James Freeman
Bioinformatics Consultant

On Sunday, February 9, 2003, at 09:00 AM, #JIA YIYU# wrote:

>
> Hi all,
>
> Can anybody here tell me how many peptide residues can form a 
> meaningful/functional protein sequence? Or in other words, what is the 
> shortest protein sequence? Or normally, how many peptide residues form 
> one functional sub unit in a protein molecule?
>
> Any helpful reference links and papers will be appreciated very much 
> too! Thanks in advance!
>
> 	Jia Yiyu
>
>
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