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首页>>免疫学>>一抗>>磷酸化RNA聚合酶II CTD抗体
磷酸化RNA聚合酶II CTD抗体
  • 产品货号：
    BN41221R
  • 中文名称：
    磷酸化RNA聚合酶II CTD抗体
  • 英文名称：
    Rabbit anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) Polyclonal antibody
  • 品牌：
    Biorigin

  • 货号

    产品规格

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  • BN41221R-100ul

    100ul

    ¥2470.00

    交叉反应：Human(predicted:Mouse,Rat,Dog,Cow,Rabbit) 推荐应用：WB,IHC-P,IHC-F,IF,Flow-Cyt,ELISA

产品描述

英文名称RNA polymerase II CTD repeat YSPTSPS (phospho S5)
中文名称磷酸化RNA聚合酶II CTD抗体
别    名p-Rpb1 CTD (Ser2/Ser5); DNA directed RNA polymerase II A; p-Rpb1 CTD(Ser2/Ser5); DNA-directed RNA polymerase II largest subunit; DNA-directed RNA polymerase II subunit A; DNA-directed RNA polymerase II subunit RPB1; DNA-directed RNA polymerase III largest subunit; Polr2a; RNA pol II CTD; RNA polymerase II subunit B1; RNA-directed RNA polymerase II subunit RPB1; RPB1; RPB1_HUMAN.  
产品类型磷酸化抗体 
研究领域细胞生物  染色质和核信号  信号转导  表观遗传学  
抗体来源Rabbit
克隆类型Polyclonal
交叉反应Human,  (predicted: Mouse, Rat, Dog, Cow, Rabbit, )
产品应用WB=1:500-2000 ELISA=1:5000-10000 IHC-P=1:100-500 IHC-F=1:100-500 Flow-Cyt=1ug/Test 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.
分 子 量240kDa
细胞定位细胞核 
性    状Liquid
浓    度1mg/ml
免 疫 原KLH conjugated Synthesised phosphopeptide derived from human RNA polymerase II CTD repeat YSPTSPS around the phosphorylation site of Ser5:PT(p-S)PS 
亚    型IgG
纯化方法affinity purified by Protein A
储 存 液0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
保存条件Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.
PubMedPubMed
产品介绍DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Largest and catalytic component of RNA polymerase II which synthesizes mRNA precursors and many functional non-coding RNAs. Forms the polymerase active center together with the second largest subunit. Pol II is the central component of the basal RNA polymerase II transcription machinery. It is composed of mobile elements that move relative to each other. RPB1 is part of the core element with the central large cleft, the clamp element that moves to open and close the cleft and the jaws that are thought to grab the incoming DNA template. At the start of transcription, a single stranded DNA template strand of the promoter is positioned within the central active site cleft of Pol II. A bridging helix emanates from RPB1 and crosses the cleft near the catalytic site and is thought to promote translocation of Pol II by acting as a ratchet that moves the RNA-DNA hybrid through the active site by switching from straight to bent conformations at each step of nucleotide addition. During transcription elongation, Pol II moves on the template as the transcript elongates. Elongation is influenced by the phosphorylation status of the C-terminal domain (CTD) of Pol II largest subunit (RPB1), which serves as a platform for assembly of factors that regulate transcription initiation, elongation, termination and mRNA processing. Acts as a RNA-dependent RNA polymerase when associated with small delta antigen of Hepatitis delta virus, acting both as a replicate and transcriptase for the viral RNA circular genome.

Function:
DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Largest and catalytic component of RNA polymerase II which synthesizes mRNA precursors and many functional non-coding RNAs. Forms the polymerase active center together with the second largest subunit. Pol II is the central component of the basal RNA polymerase II transcription machinery. It is composed of mobile elements that move relative to each other. RPB1 is part of the core element with the central large cleft, the clamp element that moves to open and close the cleft and the jaws that are thought to grab the incoming DNA template. At the start of transcription, a single stranded DNA template strand of the promoter is positioned within the central active site cleft of Pol II. A bridging helix emanates from RPB1 and crosses the cleft near the catalytic site and is thought to promote translocation of Pol II by acting as a ratchet that moves the RNA-DNA hybrid through the active site by switching from straight to bent conformations at each step of nucleotide addition. During transcription elongation, Pol II moves on the template as the transcript elongates. Elongation is influenced by the phosphorylation status of the C-terminal domain (CTD) of Pol II largest subunit (RPB1), which serves as a platform for assembly of factors that regulate transcription initiation, elongation, termination and mRNA processing. Acts as a RNA-dependent RNA polymerase when associated with small delta antigen of Hepatitis delta virus, acting both as a replicate and transcriptase for the viral RNA circular genome.

Subunit:
Component of the RNA polymerase II (Pol II) complex consisting of 12 subunits. The phosphorylated C-terminal domain interacts with FNBP3 and SYNCRIP. Interacts with SAFB/SAFB1. Interacts with CCNL1 and MYO1C (By similarity). Interacts with CCNL2 and SFRS19. Component of a complex which is at least composed of HTATSF1/Tat-SF1, the P-TEFb complex components CDK9 and CCNT1, RNA polymerase II, SUPT5H, and NCL/nucleolin. Interacts with PAF1. Interacts (via C-terminus) with FTSJD2, CTDSP1 and SCAF8. Interacts via the phosphorylated C-terminal domain with WDR82 and with SETD1A and SETD1B only in the presence of WDR82. Interacts with ATF7IP. When phosphorylated at 'Ser-5', interacts with MEN1; the unphosphorylated form, or phosphorylated at 'Ser-2' does not interact.

Subcellular Location:
Nucleus.

Post-translational modifications:
The tandem 7 residues repeats in the C-terminal domain (CTD) can be highly phosphorylated. The phosphorylation activates Pol II. Phosphorylation occurs mainly at residues 'Ser-2' and 'Ser-5' of the heptapeptide repeat and is mediated, at least, by CDK7 and CDK9. CDK7 phosphorylation of POLR2A associated with DNA promotes transcription initiation by triggering dissociation from DNA. The phosphorylation state is believed to result from the balanced action of site-specific CTD kinases and phosphatases, and a 'CTD code' that specifies the position of Pol II within the transcription cycle has been proposed.
Dephosphorylated by the protein phosphatase CTDSP1.
Ubiquitinated by WWP2 leading to proteasomal degradation (By similarity). [PTM] Methylated at Arg-1810 by CARM1. Methylation occurs only when the CTD is hypophosphorylated, and phosphorylation at Ser-1805 and Ser-1808 prevent methylation (in vitro). It is assumed that methylation occurs prior to phosphorylation and transcription initiation. CTD methylation may facilitate the expression of select RNAs.

Similarity:
Belongs to the RNA polymerase beta' chain family.

SWISS:
P24928

Gene ID:
5430

Database links:

Entrez Gene: 5430 Human

Entrez Gene: 20020 Mouse

Entrez Gene: 363633 Rat

Omim: 180660 Human

SwissProt: P24928 Human

SwissProt: P08775 Mouse

Unigene: 270017 Human

Unigene: 16533 Mouse




Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.