1M9G:
reference: The mechanism of interaction of sweet proteins with the T1R2-T1R3 receptor: evidence from the solution structure of G16A-MNEI., Spadaccini R, Trabucco F, Saviano G, Picone D, Crescenzi O, Tancredi T, Temussi PA, J Mol Biol 2003 May 2;328(3):683-92. PMID: 12706725

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