sample: 13C15N ER115 sample 2 new conc: 1.0 mM buffer: 20 mM NH4OAc, 100 mM NaCl, 10 mM DTT, 100% D2O pH 5.5 prepared by: Yiwen experiment: CHhsqc 40min instrument: INOVA 600 probe 4477 acquired by: GVTS 07-17-2003 nonCT, ZZ, ni=128, aliph=y C13 hsqc