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. 2022 Jan 13;81(4):480–489. doi: 10.1136/annrheumdis-2021-220500

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Top view of the DRAxDRB1*04:01 molecule binding peptides. The DRA (alpha chain) is shown in pink and the DRB (beta-chain) shown in blue. The 2F_o-F_c electron density map of each peptide is shown in blue mesh contoured at 1 σ.