Pro--Xaa--Pro conformations



 Hi,
   I will be very appreciated if someone can point out
 some references for the studies on the Pro--Xaa--Pro
 conformations, where Xaa is a regular amino acid. Both
 the theoretical and experimental results are welcome.
   Thank you in advance!
 ------------------
 Shi-Yi Yue,  Ph.D.
 Biotechnology Research Institute  |  Phone: (514) 496-6338
 6100 Royalmount Avenue            |  Fax: (514) 496-6232
 Montreal Quebec Canada H4P 2R2    |  E-mail: shiyi ( ( at ) ) bri.nrc.ca