AV 900 ("Chef") Magnet: 900 MHz (1H), Bruker Karlsruhe 1999, pumped (2 K) Console: Bruker Avance III HD, channels: 1H, X, Y, Z, separate 500 W 2H transmitter Workstation: PC (Linux) Probes: cryo-TCI (1H, 13C, 15N) with z-gradient TXI (1H, 13C, 15N) with xyz-gradient TXI (1H, 13C, 31P) with xyz-gradient