Thanks,, Regards,, Abid Ali Channa,Junior Research Fellow, Lab No. P-133, Computational Chemistry Unit,Dr .Panjwani Center for Molecular Medicine and Drug Research,International Center for Chemical and Biological Sciences,University of Karachi-75270.Karachi-Pakistan.UAN # (92-21) 111-222-292 Ext. (309)Cell # +923013553051