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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Rheum Dis Clin North Am. 2017 Aug;43(3):363–376. doi: 10.1016/j.rdc.2017.04.003

Figure 1. The SE ligand.

Figure 1

Crystal structure of HLA-DR4 (DRB1*04:01) molecule in a ‘top” (A) and ‘side’ (B) views. The DRα chain is colored in gray; the DRβ chain is shown in yellow and the groove peptide is shown in red. The SE (residues 70-74) is shown in cyan.

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