Dear Xtal-netters I was wondering if water peak searching can be carried out in xplor on xplor created maps. Or if these maps can be converted to ccp4 format rather than recalculating the maps. Thanks in advance for any help. Neil Spink Biomolecular Structure Unit ICR, Sutton, Surrey, U.K. e-mail: neil at uk.ac.icr.bms-unit