Saccharomyces cerevisiae
As of late 2019, 13 structures have been solved for this class of enzymes in different species, with PDB access codes ("Saccharomyces cerevisiae"), ("Saccharomyces cerevisiae"), ("Saccharomyces cerevisiae"), ("Homo sapiens"), ("Homo sapiens"), 4AG7 ("Caenorhabditis elegans"), among others.