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. 2017 Nov 2;12(11):e0187295. doi: 10.1371/journal.pone.0187295

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© 2017 Sabljić et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 1 — (A) SDS-PAGE of purified recombinant wild-type DPP III; (B) Isoelectric focusing analysis of purified wild-type (lane 1) and cysteine variants: C11S (lanes 2–3), C158S (lanes 4–5), C189S (lanes 6–7), C425S (lanes 8–9), C450S (lane 10) and Cys-null (lane 11). Proteins were visualized by Coomassie Blue staining.