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(A) Structural depictions of NTD of α1(XI) homology models (grey) aligned with respective templates [2UUR(blue), 21R6(green), 1LHN(red), and 1Z78(purple)]. (B) The α1(XI) NTD homology model from 2UUR (left), model with putative binding site (center) and zoom image of binding region (right).
