RNA聚合酶III抗体英文名称 Anti-BRF1/RNA polymerase III
中文名称 RNA聚合酶III抗体
别 名 B related factor 1; B-related factor 1; BRF; BRF-1; brf1; brfu; General transcription factor IIIB, 90kD subunit; GTF3B; hBRF; hTFIIIB90; RNA polymerase III; subunit 2; TAF3B2; TAF3C; TATA box-binding protein-associated factor; TF3B_HUMAN; TFIIIB90; Transcription factor IIIB 90 kDa subunit; Transcription initiation factor IIIB.
浓 度 1mg/1ml
规 格 0.2ml/200μg 1ml/1mg
抗体来源 Rabbit
克隆类型 polyclonal
交叉反应 Human, Mouse, Rat
产品类型 一抗
研究领域 细胞生物 染色质和核信号 信号转导 表观遗传学
蛋白分子量 predicted molecular weight: 74kDa
性 状 Lyophilized or Liquid
免 疫 原 KLH conjugated synthetic peptide derived from Human BRF1/RNA polymerase III
亚 型 IgG
纯化方法 affinity purified by Protein A
储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4
产品应用 WB=1:100-500 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 ICC=1:100-500 IF=1:100-500
(石蜡切片需做抗原修复)
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Important Note This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
RNA聚合酶III抗体产品介绍 responsible for the synthesis of a different class of RNA. RNA polymerase I (Pol I) transcribes the rRNA (ribosomal RNA) genes for the precursor of the 28S, 18S, and 5.8S molecules of the ribosome. RNA polymerase II transcribes protein-encoding genes into mRNA (messenger RNA) and snRNA (small nuclear RNA) genes into snRNAs that influence the processing of other classes of RNA. RNA polymerase III (Pol III) transcribes the 5S rRNA genes and all of the tRNA (transfer RNA) genes. Each class of RNA polymerase is assembled from 9 to 15 different polypeptides. The RPB6 and RPB8 subunits are shared by all 3 RNA polymerases.
Function : General activator of RNA polymerase which utilizes different TFIIIB complexes at structurally distinct promoters. The isoform 1 is involved in the transcription of tRNA, adenovirus VA1, 7SL and 5S RNA. Isoform 2 is required for transcription of the U6 promoter.
Subcellular Location : Nucleus.
Post-translational modifications : Phosphorylated upon DNA damage, probably by ATM or ATR.
Similarity : Belongs to the TFIIB family.
Contains 1 TFIIB-type zinc finger.
纯度:在实验的任何阶段,确定抗体溶液纯度的最简单方法是取一部分样本进行SDS-PAGE电泳。凝胶可用考马斯亮蓝染色(灵敏度为0.1—0.5ug/带)或银染(灵敏度1~l0ug/带)。
定量:如果抗体还不纯,有一个快捷的定量方法,即通过SDS-PAGE电泳分离出轻、重链,然后和已知的标准染色带比较。如果需要分析许多样本,用免疫测定法对抗体定量较容易。如果抗体是经过纯化的,可通过测蛋白总量代替上述两种方法,有一简单的方法,即紫外吸收法。RNA聚合酶III抗体的量可通过测280nm处的吸收值来测(10D大致相当于0.75mg/m1的纯化抗体)。
抗原结合活性:一般说来,纯化方法不会引起抗原结合活性的改变。用蛋白G或蛋白A树脂很少导致抗体活性丧失。然而,如果最终抗体产物的作用不如原来所预料的好,检测抗体纯化过程所丢失的活性就极为重要。用一系列滴定法比较纯化的抗体和其原材料的活性,以标定每一步中的总抗体量,这将有助于较好的估计通过纯化所丢失的活性。