Residues in pockets 4, 6, and 7 that are predicted to interact with Ac1-11 as outlined on the DR1 structure. E74β is predicted to interact with arginine at position five in Ac1-11. V9β is predicted to interact with lysine, alanine, or tyrosine at position 4 in Ac1-11, Ac1-11[4A], or Ac1-11[4Y], respectively. The regions that compose pockets 1, 4, 6, 7, and 9 have been circled and labeled accordingly.