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・ PRCA
・ PRCA All-Around Cowboy Champion
・ PRCC
・ PRCC (gene)
・ PRCD
・ PRCF
・ Prchal
・ PRCP
・ PRCS
・ PRD
・ PRD Fireball
・ PRDM1
・ PRDM12
・ PRDM16
・ PRDM2
PRDM9
・ PRDX3
・ PRDX4
・ PRDX5
・ PRDX6
・ Pre
・ Pre (band)
・ Pre Rup
・ Pre Teenage Jesus and the Jerks
・ Pre Viam
・ Pre's Trail
・ Pre)Thing
・ Pre- and post-test probability
・ PRE-084
・ Pre-1970 Southern Hemisphere tropical cyclone seasons


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PRDM9 : ウィキペディア英語版
PRDM9

PR domain〔positive-regulatory domain〕 zinc finger protein 9 is a protein that in humans is encoded by the ''Prdm9'' gene.〔(【引用サイトリンク】 url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=56979 )〕 The protein has histone H3K4 trimethyltransferase activity, a KRAB domain, and a DNA-binding domain consisting of multiple tandem C2H2 zinc finger (ZF) domains.〔 〕 PRDM9 specifically trimethylates lysine 4 of histone H3 during meiotic prophase and is essential for proper meiotic progression, but does not have the ability to mono- and dimethylate lysine 4 of histone H3.
H3K4 methylation represents a specific tag for epigenetic transcriptional activation which plays a central role in the transcriptional activation of genes during early meiotic prophase.
==Function==
PRDM9 is thought to mediate the process of meiotic homologous recombination.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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