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. 2013 Jul 26;18(8):8906–8918. doi: 10.3390/molecules18088906

Figure 2.

Figure 2

NMR solution structure of NACI. (a) Ribbon diagram of NACI. (b) Superposition of the backbone atoms of the 20 conformers that represent the solution structure of NACI for best fit of the backbone atoms N, Cα, C’ in the secondary structure regions, residues 3–6, 18–24, 29–35, and 48–55. Residues Ser13–Cys14 and Ser36–Cys38 around the Cys14–Cys38 disulfide bond are not well defined due to missing resonances and indicated in red. (c) Side chains of Ser13–Cys14 and Ser36–Cys38 are shown in red, aromatic residues (F4, F15, F17, Y21, Y22, Y23, Y26, F33, Y35, F45) in magenta, and hydrophobic residues (Ala, Val, Leu, Ile, Thr, Pro) in green.