4Q31:
reference: Structural dynamics of a methionine gamma-lyase for calicheamicin biosynthesis: Rotation of the conserved tyrosine stacking with pyridoxal phosphate., Cao H, Tan K, Wang F, Bigelow L, Yennamalli RM, Jedrzejczak R, Babnigg G, Bingman CA, Joachimiak A, Kharel MK, Singh S, Thorson JS, Phillips GN Jr, Struct Dyn. 2016 Apr 29;3(3):034702. doi: 10.1063/1.4948539. eCollection 2016, May. PMID: 27191010

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