European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SD, UK.|Zurich University of Applied Sciences (ZHAW), Zurich CH-8021, Switzerland.|San Diego Supercomputer Center, UCSD, San Diego, CA 92093, USA.|Research Collaboratory for Structural Bioinformatics Protein Data Bank, San Diego Supercomputer Center, University of California, San Diego, La Jolla, CA 92093, USA.|Structural Bioinformatics Laboratory, San Diego Supercomputer Center, UCSD, San Diego, CA 92093, USA.|Structural Genomics Consortium, University of Oxford, Oxford OX3 7DQ, UK.|Genomnia srl, Bresso, Milan, Italy.|Institute for Neurodegenerative Diseases, University of California, San Francisco, CA 94143, USA.|Research Collaboratory for Structural Bioinformatics Protein Data Bank, San Diego Supercomputer Center, University of California, San Diego, La Jolla, CA 92093, USA.|RISELab, University of California Berkeley, Berkeley, CA, USA.|DNASTAR, Madison, WI, USA.|Research Collaboratory for Structural Bioinformatics Protein Data Bank, San Diego Supercomputer Center, University of California, San Diego, La Jolla, CA 92093, USA.|Research Collaboratory for Structural Bioinformatics Protein Data Bank, San Diego Supercomputer Center, University of California, San Diego, La Jolla, CA 92093, USA.