1. CIC biomaGUNE Glycotechnology Group Paseo Miramón 182 20014 San Sebastian Spain
2. Asparia Glycomics S.L. Mikeletegi 83 20009 San Sebastian Spain
3. CNRS, CEA Institut de Biologie Structurale Université Grenoble Alpes 38100 Grenoble France
4. Present address: DCM, UMR 5250 Université Grenoble Alpes, CNRS 38000 Grenoble France
5. Dipartimento di Chimica Università degli Studi di Milano via Golgi 19 20133 Milano Italy
6. CIBER-BBN Paseo Miramón 182 20014 San Sebastian Spain
7. Basque Research and Technology Alliance (BRTA) Paseo Miramón 182 20014 San Sebastian Spain