1I12:
reference: The crystal structures of Apo and complexed Saccharomyces cerevisiae GNA1 shed light on the catalytic mechanism of an amino-sugar N-acetyltransferase., Peneff C, Mengin-Lecreulx D, Bourne Y, J Biol Chem 2001 May 11;276(19):16328-34. PMID: 11278591

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