I am pleased to announce the publication of the latest issue of the Computational Crystallography Newsletter: http://www.phenix-online.org/newsletter/ A listing of the articles and short communications is given below. Please note that the newsletter accepts articles of a general nature of interest to all crystallographers. Please send any articles to me at [email protected] noting that there is a Word Template on the website to streamline production. July 2015 http://www.phenix-online.org/newsletter/CCN_2015_07.pdf Articles - A context-sensitive guide to RNA & DNA base-pair & base-stack geometry http://www.phenix-online.org/newsletter/CCN_2015_07.pdf#page=22 Short Communications - New Phaser-MR search panel in Phenix http://www.phenix-online.org/newsletter/CCN_2015_07.pdf#page=7 - Quantum chemical techniques for minimising ligand geometries in the active site http://www.phenix-online.org/newsletter/CCN_2015_07.pdf#page=10 - 13 typical occupancy refinement scenarios and available options in *phenix.refine* http://www.phenix-online.org/newsletter/CCN_2015_07.pdf#page=12 Fitting tips #10 – How do your base pairs touch and twist? http://www.phenix-online.org/newsletter/CCN_2015_07.pdf#page=3 Cheers Nigel --- Nigel W. Moriarty Building 33R0349, Physical Biosciences Division Lawrence Berkeley National Laboratory Berkeley, CA 94720-8235 Phone : 510-486-5709 Email : [email protected] Fax : 510-486-5909 Web : CCI.LBL.gov