Overview:
PRMT7 (protein arginine methyltransferase 7), an arginine methyltransferase that exhibited type III enzymatic activity, catalyzing the formation of ω-NG-monomethylarginine residues. Specifically mediates the symmetrical dimethylation of arginine residues in the small nuclear ribonucleoproteins Sm D1 (SNRPD1) and Sm D3 (SNRPD3); such methylation being required for the assembly and biogenesis of snRNP core particles. Specifically mediates the symmetric dimethylation of histone H4 'Arg-3' to form H4R3me2s. Plays a role in gene imprinting by being recruited by CTCFL at the H19 imprinted control region (ICR) and methylating histone H4 to form H4R3me2s, possibly leading to recruit DNA methyltransferases at these sites. May also play a role in embryonic stem cell (ESC) pluripotency.
Gene Aliases:
FLJ10640, KIAA1933
Genbank Number:
BC000146
References:
1. Miranda TB, et al: PRMT7 is a member of the protein arginine methyltransferase family with a distinct substrate specificity. J Biol Chem. 279(22):22902-7, 2004.2. Lee JH, et al: PRMT7, a new protein arginine methyltransferase that synthesizes symmetric dimethylarginine. J Biol Chem. 280(5):3656-64, 2005.3. http://www.uniprot.org/uniprot/Q9NVM4
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IgM是免疫球蛋白M(Immunoglobulin M，IgM)的缩写。根据结构的不同将免疫球蛋白分为五种，IgM是人的免疫球蛋白之一，其他还有lgA、lgG、IgD和lgE。
HSV1型导致的一般都是腰部以上的感染，典型症状是水泡有可能引起脑炎，而且有非活化状态的潜伏。所以我觉得你根本就不用担心这个抗体IgG阳性的化验单。
2-IgM也是一种特异性感染指标，但在人体内持续时间不长（有时是30天更短），往往是传染病的近期感染指标。呈阴性是指：你近期没有感染过结核杆菌。
文章原文链接http://www.jbc.org/content/282/23/16776.long
