3E7J:
reference: Catalytic mechanism of heparinase II investigated by site-directed mutagenesis and the crystal structure with its substrate., Shaya D, Zhao W, Garron ML, Xiao Z, Cui Q, Zhang Z, Sulea T, Linhardt RJ, Cygler M, J Biol Chem. 2010 Jun 25;285(26):20051-61. Epub 2010 Apr 19. PMID: 20404324

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