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. 2015 Jan 16;13:3. doi: 10.1186/s12915-014-0113-1

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© Beckmann et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Capsule recoil after nematocyst discharge and sequence elements in Cnidoin primary structure. (A) capsule size change during discharge of a stenotele. (B) domain organisation of Cnidoin and Minicollagen-1 (NCol-1) and alignment of respective CRD domains. Conserved cysteines are highlighted. (C) alignment of the elastic domain of Cnidoin with a homologous sequence in Spidroin-2. Highlighted is the GxGQQ motif present in both sequences.