3QZU:
reference: Biophysical characterization of mutants of Bacillus subtilis lipase evolved for thermostability: Factors contributing to increased activity retention., Augustyniak W, Brzezinska AA, Pijning T, Wienk H, Boelens R, Dijkstra BW, Reetz MT, Protein Sci. 2012 Apr;21(4):487-97. doi: 10.1002/pro.2031. Epub 2012 Feb 29. PMID: 22267088

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