Peptide sequence: GGAVGPFKCV FVGEMAAQVG AVRVVRAVAA QEEPDKEGKE KPHAGVSPRG Sequence homology: Cow: 86%; Dog: 100%; Guinea Pig: 100%; Human: 100%; Mouse: 100%; Rabbit: 100%; Rat: 100%. Histone demethylase that specifically demethylates dimethylated 'Lys-20'