3L8H:
reference: Structural Determinants of Substrate Recognition in the HAD Superfamily Member d-glycero-d-manno-Heptose-1,7-bisphosphate Phosphatase (GmhB) ., Nguyen HH, Wang L, Huang H, Peisach E, Dunaway-Mariano D, Allen KN, Biochemistry. 2010 Jan 22. PMID: 20050614

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