genetic mapping MGI:2446210 http://identifiers.org/mgd/MGI:2446210 D4Ertd222e JHDM3A Gene Kdm4a - protein coding gene D4Ertd222e|Jmjd2a|JHDM3A|Jmjd2 Jmjd2a O Jmjd2 lysine (K)-specific demethylase 4A