3AQU:
reference: A class V chitinase from Arabidopsis thaliana: gene responses, enzymatic properties, and crystallographic analysis., Ohnuma T, Numata T, Osawa T, Mizuhara M, Lampela O, Juffer AH, Skriver K, Fukamizo T, Planta. 2011 Jul;234(1):123-37. Epub 2011 Mar 9. PMID: 21390509

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