产品信息

蛋白质全称	7SK snRNA甲基磷酸加帽酶
别名	Bin3 homolog, MEPCE, methylphosphate capping enzyme
Uniprot ID	Q8K3A9
免疫原	小鼠MEPCE重组蛋白
抗体亚型	IgG
预测分子量./观测分子量.	72 kDa / 69 kDa
纯化方式	亲和纯化
亚细胞定位	细胞核

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应用

应用	物种	稀释	阳性样品
WB 免疫印迹	人, 小鼠, 大鼠	1: 800-1: 1500	肝
IHC/IF 免疫组织化学/免疫荧光	小鼠	1: 2000-1: 4000	睾丸

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背景

S-adenosyl-L-methionine-dependent methyltransferase that adds a methylphosphate cap at the 5'-end of 7SK snRNA (7SK RNA), leading to stabilize it (By similarity). Also has a non-enzymatic function as part of the 7SK RNP complex: the 7SK RNP complex sequesters the positive transcription elongation factor b (P-TEFb) in a large inactive 7SK RNP complex preventing RNA polymerase II phosphorylation and subsequent transcriptional elongation . The 7SK RNP complex also promotes snRNA gene transcription by RNA polymerase II via interaction with the little elongation complex (LEC) (By similarity). In the 7SK RNP complex, MEPCE is required to stabilize 7SK RNA and facilitate the assembly of 7SK RNP complex (By similarity). MEPCE has a non-enzymatic function in the 7SK RNP complex; it has a non-enzymatic function; interaction with LARP7 within the 7SK RNP complex occluding its catalytic center (By similarity).

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图像

	WB检测MEPCE蛋白(货号 YB114267). 样品: 经RIPA裂解液(货号Y2013)处理的蛋白质. 封闭: 3%脱脂牛奶(货号YC310012)溶于TBST溶液, 室温孵育1小时. —抗: 1: 1500稀释, 4℃ 孵育过夜. 二抗: HRP标记山羊抗兔IgG (H+L) (货号YB23314), 1: 5000稀释, 室温孵育1小时.
	IHC检测MEPCE蛋白(货号 YB114267). 样品: 小鼠睾丸, 4%多聚甲醛 (货号Y1112) 固定12-24小时. 抗原修复: Tris-EDTA抗原修复液(pH 9.0) (Y1214), 98℃, 20分钟. —抗: 1: 3000稀释, 4℃ 孵育过夜. 二抗: HRP标记山羊抗兔IgG (H+L) (货号YB23314), 1: 200稀释, 室温孵育1小时.
	IF检测MEPCE蛋白(货号 YB114267)(红色). 样品: 小鼠睾丸, 4%多聚甲醛 (货号Y1112) 固定12-24小时. 抗原修复: Tris-EDTA抗原修复液(pH 9.0) (Y1214), 98℃, 20分钟. 封闭: 3% BSA（货号YC305021）的PBS溶液, 室温孵育30分钟. —抗: 1: 2000稀释, 4℃ 孵育过夜. 二抗: Cy3标记山羊抗兔IgG (H+L) (货号YB21314), 1: 300稀释, 室温孵育1小时.

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储存

储存条件	在-20℃下储存一年, 避免反复冻融.
储存缓冲液	含0.15% ProClin300防腐剂, 100 μg/mL牛血清白蛋白和50%甘油的磷酸盐缓冲液.

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注意:

1.本产品仅供研究使用.

2.建议用一抗稀释液(Y2036)稀释本产品.