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. 2014 Oct 27;9(10):e111363. doi: 10.1371/journal.pone.0111363

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© 2014 Weiss 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 properly credited.

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Serpins are shown as cartoons. RCL is indicated in black, approximate cleavage sites are encircled. Non-resolved parts of the crystal structures are indicated by dots (c, RCL of AGT, d, RCL of α2-AP and the N- and C-terminal extension of α2-AP). a, human α1-PI, b, cleaved human α1-AC, the RCL is indicated by dots, c, human angiotensinogen, d, murine truncated α2-AP_Δ43, the N-terminal extension of native α2-AP is indicated by dots.