(Should have) found it! http://www.ccp4.ac.uk/html/pdbcur.html#atom_selection Did not fully RTM. My aplogies. W.
---------- Forwarded message ---------- From: goslar <gos...@gmail.com> Date: Thu, Apr 14, 2011 at 10:19 AM Subject: superpose atom selection To: CCP4BB@jiscmail.ac.uk Hello all, from the ccp4 manual: http://www.ccp4.ac.uk/html/superpose.html <snip> superpose foo_1st.pdb [-s CID1] foo_2nd.pdb [-s CID2] [ foo_out.pdb ] where [-s CID1/2] are optional selection strings in MMDB convention, and [foo_out.pdb] is optional output file. </snip> Please, could someone point me to documentation of said MMDB convention. Many thanks in advance, Wolfram Tempel