The high-throughput crystallization facility at EMBL Hamburg <http://www.embl-hamburg.de/facilities/htpx> has been available to the general user community since 2005. Access to the facility is free of charge under the Advanced Infrastructure Initiative P-Cube (www.p-cube.eu <http://www.p-cube.eu/>), sponsored within the European FP7 program. Application requires a brief project description, which is evaluated by a transnational access board. Our platform offers the preparation of initial, optimization and custom design crystallization experiments. User have confidential access to the results of their experiments, including images, crystallization conditions and all relevant experimental parameters under http://htx.embl-hamburg.de <http://htx.embl-hamburg.de/>. -- Dr. Rosemary Wilson Scientific Training and Outreach Officer EMBL c/o DESY, Building 25a Notkestrasse 85, 22603 Hamburg, Germany Phone: +49 (0)40 89902 216 Fax: +49 (0)40 89902 149 Email: [log in to unmask]