loop_ _pdbx_nmr_exptl.experiment_id _pdbx_nmr_exptl.solution_id _pdbx_nmr_exptl.conditions_id _pdbx_nmr_exptl.type 1 3 1 '3D_15N-separated_NOESY' 2 1 1 '3D_13C-separated_NOESY' 3 1 2 '4D_13C/15N-separated_NOESY' 4 1 1 '4D_13C-separated_NOESY' 5 1 1 '3D_15N-separated_ROESY' 6 3 1 '3D_13C-separated_ROESY'