1T7H:
reference: High-resolution X-ray structure of the unexpectedly stable dimer of the [Lys(-2)-Arg(-1)-des(17-21)]endothelin-1 peptide., Hoh F, Cerdan R, Kaas Q, Nishi Y, Chiche L, Kubo S, Chino N, Kobayashi Y, Dumas C, Aumelas A, Biochemistry 2004 Dec 7;43(48):15154-68. PMID: 15568807

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