J Coupling Constants in proteins. Backbone Phi angle determination.

NMR Experiments (See Tutorials)

3D HNHA experiment - 3J(HN-HA) via quantitative-J

2D CT-HMQC-J - 3J[H(N)HA] via J-modulation

3D HNCA[HA]-E.COSY - 3J[H(N)HA] and 3J[H(N)CB] via E.COSY

3D HNCA[HA]-E.COSY - 3J[H(N)HA] via E.COSY

3D HNCA[CB]-E.COSY - 3J[H(N)CB] via E.COSY

3D HNHB[CB]-E.COSY - 3J[H(N)CB] via E.COSY

3D DQ/ZQ+SQ-HNCA - 3J[H(N)HA] and 3J[H(N)CB] via DQ/ZQ

3D (H)CANNH[CO]-E.COSY - 3J[H(N)CO] via E.COSY

3D HNCA[CO]-COSY - 3J[H(N)CO] via E.COSY

3D HN(CA)CB[CO]-E.COSY - 3J[COCB] via E.COSY

2D spin-echo difference CT-HSQC - 3J[COCB] via spin-echo difference

3D (H)NCAHA[CO]-E.COSY - 3J[HACO] via E.COSY

3D (HN)CO(CO)NH- 3J[COCO] via quantitative-J

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