Hi!
i want measure several selected residues surface area and volume,  but in the reply log, it always give the total surface area and volume of the protein,   
how can i get only the selected residues surface area? because this residues make a cavity , which may binding substrate.   in addition,  the castP server 
can't give me the pocket i wanted, because it give a bigger pocket than i wanted.
thanks in advance£¡
liuqing chen




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Liuqing Chen
School of Life Science & Biotechnology
Minhang Campus
Shanghai Jiao Tong University 
No. 800 Dongchuan Road
Shanghai 200240
P.R. China
Tel: +86 21 34207247