6BYF:
reference: Structural and biochemical characterization of Siw14: a protein-tyrosine phosphatase fold that metabolizes inositol pyrophosphates., Wang H, Gu C, Rolfes RJ, Jessen HJ, Shears SB, J Biol Chem. 2018 Mar 14. pii: RA117.001670. doi: 10.1074/jbc.RA117.001670. PMID: 29540476

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