AV 500 ("Purcell")Magnet: 500 MHz (), Bruker Karlsruhe 1989Console:Bruker AV III, channels: 1H, X, Y, Z (with 2HTX transmitter) Workstation:PC (Linux) Probes:cryo-TCI (1H, 13C, 15N) with z-gradientTXI (1H, 13C, 15N) with z-gradient