Dear colleagues, Something to muse over during the holidays:
Let's say we have three crystal forms of the same protein, for example crystallized with different ligands. Crystal forms A and B have the same crystal packing, except that one unit cell dimension differs by, for example, 3%. Crystal form C has a different crystal packing arrangement altogether. What is the right nomenclature to describe the relationship between these crystal forms? If A and B are sufficiently different that their phases are essentially uncorrelated, what do we call them? Near-isomorphous? Non-isomorphous? Do we need a different term to distinguish them from C or do we call all three datasets non-isomorphous? Thanks for helping us resolve our semantic tangle. Happy holidays! Doeke ===== Doeke Hekstra Assistant Professor of Molecular & Cellular Biology, and of Applied Physics (SEAS), Director of Undergraduate Studies, Chemical and Physical Biology Center for Systems Biology, Harvard University 52 Oxford Street, NW311 Cambridge, MA 02138 Office: 617-496-4740 Admin: 617-495-5651 (Lin Song) ######################################################################## To unsubscribe from the CCP4BB list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1 This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a mailing list hosted by www.jiscmail.ac.uk, terms & conditions are available at https://www.jiscmail.ac.uk/policyandsecurity/
