1YL9:
reference: 3D solution structure of [Tyr3]octreotate derivatives in DMSO: structure differentiation of peptide core due to chelate group attachment and biologically active conformation., Spyroulias GA, Galanis AS, Petrou Ch, Vahliotis D, Sotiriou P, Nikolopoulou A, Nock B, Maina T, Cordopatis P, Med Chem. 2005 Sep;1(5):487-99. PMID: 16787334

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