5D4Y:
reference: Structural insight into potential cold adaptation mechanism through a psychrophilic glycoside hydrolase family 10 endo-beta-1,4-xylanase., Zheng Y, Li Y, Liu W, Chen CC, Ko TP, He M, Xu Z, Liu M, Luo H, Guo RT, Yao B, Ma Y, J Struct Biol. 2016 Mar;193(3):206-11. doi: 10.1016/j.jsb.2015.12.010. Epub 2015 , Dec 21. PMID: 26719223

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