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expasy.org
enzyme.expasy.org
Enzyme entry: EC 3.4.22.14, [w:] Enzyme nomenclature database [online], SIB Swiss Institute of Bioinformatics(ang.).
Michael A.M.A.RuggieroMichael A.M.A. i inni, A Higher Level Classification of All Living Organisms, „PLOS One”, 10 (4), 2015, art. nr e0119248, DOI: 10.1371/journal.pone.0119248, PMID: 25923521, PMCID: PMC4418965 [dostęp 2020-02-20](ang.).