Hi all I am working with chimera, and I have a map and a pdb. 1) I have split the pdb into several fragments in order to fit them into the map 2) I have successfully moved the PDBs and fitted them into the map 3) I have "write each PDB" "relative to the map, which seems to make sense :) 4) In the current session I keep the map and the moved PDB open ...plus I open the just saved "wrote PDB" (intended to be on the same position I moved it). To me both, the opened PDB (which I have moved) and the just saved PDB, might be in the same position, fitting into the map... But... the just save-written PDB is clearly somewhere else... :( 5) But... If I make a NEW session, opening the map and the "wrote PDB", everything make sense, and the PDB is where I in fact moved to keep it fitted... Why is that that in the current session the written-PDB is not where it was "moved"; but when a new session is opened it is displayed where it was moved? It seems that everything works fine, it is just a bit confusing to me. Thanks in advanced! Marta