2OQ9:
reference: Minicollagen-15, a novel minicollagen isolated from Hydra, forms tubule structures in nematocysts., Adamczyk P, Meier S, Gross T, Hobmayer B, Grzesiek S, Bachinger HP, Holstein TW, Ozbek S, J Mol Biol. 2008 Feb 29;376(4):1008-20. Epub 2007 Dec 5. PMID: 18206162

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