2V0Y:
reference: Conformational changes and loose packing promote E. coli Tryptophanase cold lability., Kogan A, Gdalevsky GY, Cohen-Luria R, Goldgur Y, Phillips RS, Parola AH, Almog O, BMC Struct Biol. 2009 Oct 8;9(1):65. PMID: 19814824

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