3FHA:
reference: Structural basis and catalytic mechanism for the dual functional endo-beta-N-acetylglucosaminidase A., Yin J, Li L, Shaw N, Li Y, Song JK, Zhang W, Xia C, Zhang R, Joachimiak A, Zhang HC, Wang LX, Liu ZJ, Wang P, PLoS ONE. 2009;4(3):e4658. Epub 2009 Mar 2. PMID: 19252736

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