1QWO:
reference: Crystal structure of a heat-resilient phytase from Aspergillus fumigatus, carrying a phosphorylated histidine., Xiang T, Liu Q, Deacon AM, Koshy M, Kriksunov IA, Lei XG, Hao Q, Thiel DJ, J Mol Biol 2004 May 28;339(2):437-45. PMID: 15136045

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