Cross-hydrogen bond ^2hJ_N,N coupling constants between NH.....N sidechain of histidines from quantitative-J_NN 2D H(N)N-COSY experiment ( 99JACS5123).

Measurement of Cross-hydrogen bond ^2hJ_N,N coupling constants from a 2D TROSY experiment ( 02JB31-24).

^2hJ_N,N coupling constants in nucleic acids