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. 2007 Jan 12;401(Pt 3):645–650. doi: 10.1042/BJ20061389

Figure 1. Domain structure of hDPPI and definition of substrate-binding sites.

Figure 1

(A) Overview of the nomenclature of the different parts of the sequence of hDPPI. One-letter amino acid codes are used. (B) Schematic drawing of the hDPPI structure in complex with a generic peptide substrate. The amino acids on the peptide bound to the enzyme are numbered P2 and P1 on the N-terminal side of the scissile bond and P1′, P2′, etc. on the C-terminal side. The corresponding substrate binding sites on the enzyme are numbered S2, S1, S1′, S2′, etc. [32,34].