6K7Z:
reference: Structural Insight Into Chitin Degradation and Thermostability of a Novel Endochitinase From the Glycoside Hydrolase Family 18., Wang YJ, Jiang WX, Zhang YS, Cao HY, Zhang Y, Chen XL, Li CY, Wang P, Zhang YZ, Song XY, Li PY, Front Microbiol. 2019 Oct 30;10:2457. doi: 10.3389/fmicb.2019.02457. eCollection , 2019. PMID: 31736903

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