AV 950 ("Buster") Magnet: 950 MHz (1H), Bruker Karlsruhe 2015, pumped (2 K) Console: Bruker Avance III HD, channels: 1H, X, Y, Z Workstation: PC (Linux) Probes: cryo-TCI (1H, 13C, 15N) with z-gradient TXI (1H, 13C, 15N) with z-gradient 3.2 mm MAS (HCN)