triple-resonance NMR spectroscopy
... that triple-resonance NMR spectroscopy is an integral part of determining the structure of proteins?
... that <b id="mwAWU"><a href="./Triple-resonance_nuclear_magnetic_resonance_spectroscopy" id="mwAWY" rel="mw:WikiLink" title="Triple-resonance nuclear magnetic resonance spectroscopy">triple-resonance NMR spectroscopy</a></b> <i id="mwAWc">(spectrum pictured)</i> is an integral part of determining the <a href="./Protein_structure" id="mwAWg" rel="mw:WikiLink" title="Protein structure">structure of proteins</a>?