IUBio

Amino acid doublets in proteins

moreaut at univ-tours.fr moreaut at univ-tours.fr
Wed Sep 24 12:01:17 EST 1997


dear colleagues,

We have purified a cystatin inhibitor and sequenced it by Edman degradation.
This sequence (about 110 residues) contains many amino acid doublets for 
example:
GG, AA, YY, VV, MM, PP...

I would like to know if the presence of such doublets has a special meaning
due to e.g some genetic events?? or if it's a normal and common feature in
proteins??


Thanks in advance for any comments!!

Thierry Moreau


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|  Dr. Thierry MOREAU                                                       |
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