loop_ _rcsb_nmr_constraints.entry_id _rcsb_nmr_constraints.NOE_constraints_total _rcsb_nmr_constraints.NOE_intraresidue_total_count _rcsb_nmr_constraints.NOE_sequential_total_count _rcsb_nmr_constraints.NOE_medium_range_total_count _rcsb_nmr_constraints.NOE_long_range_total_count _rcsb_nmr_constraints.protein_phi_angle_constraints_total_count 1ABC 4458 1144 272 1004 1356 96