[ccp4bb] Placing an EM map in a large P1 box

Hi All, I'm having trouble putting an EM map into a large P1 box for molecular replacement. We're trying to put density for a molecule about 300A in size into a 1000A P1 box. Using maprot in cutting mode with a mask yields a map with 1000A axes, but the extent of the map only covers par

Re: [ccp4bb] Placing an EM map in a large P1 box

Hi Larry, here is how I'd do it: mapmask MAPIN MAPOUT << EOF SYMMETRY 1 XYZLIM CELL PAD 0.0 END EOF Good luck with it! Ciao Pietro -- Pietro Roversi Sir William Dunn School of Pathology, Oxford University South Parks Road, Oxford OX1 3ER, England UK Tel. 0044-1865-275385