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Conformation of the NC-p1 substrates. Stereo diagram of the superposition of the WT (cyan) and AP2V (magenta) variants of NC-p1 peptides. An arrow indicates the difference in conformation of the scissile bonds between the two structures. The superposition was based on structurally conserved parts of the respective protease structures. Disordered side chains, whose conformation could not be resolved in the electron density, have their names listed in parentheses.
