[Bioperl-l] Distance between residues

[KHOUEIRY pierre]

Hi all,
I'm wondering if there is a way to compute distances between two amino 
acids set using bioperl. In another way, how car i detect distance 
between any R,K, P, or T residues set(considered as X)  and any of H, C, 
D and E set (considered as Z)  in a protein seq----> dist(X,Z) ?
all distances should be taken in consideration and not only the shortest 
one...
Thanks in advance
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Pierre Khoueiry	
khoueiry at ibsm.cnrs-mrs.fr
LCB - CNRS
31, Chemin Joseph Aiguier,
13402 Marseille CEDEX 20, France
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TIP : When the cup is half empty, make it half full