3FLC:
reference: Structural characterizations of glycerol kinase: unraveling phosphorylation-induced long-range activation., Yeh JI, Kettering R, Saxl R, Bourand A, Darbon E, Joly N, Briozzo P, Deutscher J, Biochemistry. 2009 Jan 20;48(2):346-56. PMID: 19102629

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