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Histone-lysine N-methyltransferase 2D (KMT2D) previously known as myeloid/lymphoid or mixed-lineage leukemia protein 2 (MLL2) is an enzyme that in humans is encoded by the ''KMT2D'' gene.〔(【引用サイトリンク】 url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=8085 )〕 The gene is located on chromosome 12.This is a Trithorax-group protein. == Nomenclature == This gene is also generally known as MLL4 in the literature. This nomenclature has caused much confusion in the data bases. Originally MLL2 was used to describe the sister gene of MLL1, which is also a trithorax-group histone methyltransferase. The MLL1 gene was originally named ''MLL'' after myeloid/lymphoid or mixed-lineage leukemia cases. Its closest homologue is a very similar gene (not the gene described here), which is also called MLL2, but sometimes unfortunately called MLL4. The gene described here as MLL2 should properly be called MLL4 because along with its closely related homologue MLL3, it is closely related to a different Drosophila homologue of trithorax. The material included below refers to the trithorax group protein that is associated with MLL3 and a protein complex, not containing menin but including PTIP. It is listed as MLL2 but it should properly be called MLL4. It is now understood that its effect in lymphomagenesis is via the disruption of chromatin regulation. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「MLL2」の詳細全文を読む スポンサード リンク
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