sample: 2H13C15N-ILV mec4 conc: 1 mM buffer: 20 mM Pi, 25 mM NaCl, 6 mM zwittergent 10 mM DTT, 5% D2O pH 6.8 prepared by: John experiment: 3D HNCO TROSY 12.5h instrument: INOVA 600 probe 4477 acquired by: jma 04-01-03 T=20C