preferred_name: PE is methylated to PC by PEMT (Saccharomyces cerevisiae)
preferred_name_lc: pe is methylated to pc by pemt (saccharomyces cerevisiae)
label: PE is methylated to PC by PEMT (Saccharomyces cerevisiae)
label_lc: pe is methylated to pc by pemt (saccharomyces cerevisiae)