<a href=https://cialiss.quest>is cialis generic</a> One such protein is LSD1 1, a flavin adenine dinucleotide dependent amine oxidase that catalyzes methyl group removal from methylated histone H3 lysine 4 H3K4 and H3 lysine 9 H3K9 to effect transcriptional repression or activation, respectively to avoid gene symbol and species ambiguity 2, all genes discussed in this editorial are accompanied by their unique National Center for Biotechnology Information NCBI GeneID LSD1, also known as KDM1 or AOF2; GeneID 23028; encodes lysine specific histone demethylase 1