heteronuclear multiple quantum coherence 1H–15N heteronuclear multiple quantum coherence 15N–1H HMQC 1H–15N HMQC CHMO:0002398 1H-15N HMQC A type of heteronuclear NMR spectroscopy where a second frequency dimension is employed to disperse the signals and reveal correlations between protons and the 15N nuclei to which they are covalently bound. FIX:0000474 2009-09-16T11:25:56Z 1H-15N heteronuclear multiple quantum coherence 15N-1H HMQC https://orcid.org/0000-0001-5985-7429