From: Albert (mailmd2011_at_gmail.com)
Date: Wed Oct 16 2013 - 09:57:36 CDT

On 10/16/2013 04:49 PM, John Stone wrote:
> You probably want to add "same residue as" to your selection, e.g.,
> "same residue as water within 4 of protein".

that's great, I works now.

thanks a lot

Albert