1JPG:
reference: Zooming in on the hydrophobic ridge of H-2D(b): implications for the conformational variability of bound peptides., Ciatto C, Tissot AC, Tschopp M, Capitani G, Pecorari F, Pluckthun A, Grutter MG, J Mol Biol 2001 Oct 5;312(5):1059-71. PMID: 11580250

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