2ZJ7:
reference: Importance of the Ca2+-binding sites in the N-catalytic domain of a family I.3 lipase for activity and stability., Kuwahara K, Angkawidjaja C, Matsumura H, Koga Y, Takano K, Kanaya S, Protein Eng Des Sel. 2008 Dec;21(12):737-44. Epub 2008 Nov 5. PMID: 18987131

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