1. NMR Facility; CIC bioGUNE; Bizkaia Technology Park, Bld 800 48170 Derio Spain
2. Centre for Synthesis and Chemical Biology; University College Dublin; Belfield Dublin 4 Ireland
3. Molecular Recognition and Host-Pathogen Interactions; CIC bioGUNE; Bizkaia Technology Park; Bld 800 48170 Derio Spain
4. Tierärztliche Fakultät; Institut für Physiologische Chemie; Ludwig-Maximilians-Universität München; Veterinärstr. 13 80539 München Germany