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Invitrogen
Phospho-POLR2A (Ser1616) Polyclonal Antibody
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FIGURE: 1 / 26
Phospho-POLR2A (Ser1616) Antibody (PA5-106067) in IHC (P)
Immunohistochemistry analysis of Phospho-POLR2A (Ser1616) in human colorectal cancer and adjacent normal tissues. The sample was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. Samples were incubated with Phospho-POLR2A (Ser1616) polyclonal antibody (Product # PA5-106067) using a dilution of 1:100 (4°C overnight) followed by HRP conjugated anti-Rabbit secondary... View More
Product Details
PA5-106067
Applications
Tested Dilution
Publications
Product Specifications
Species Reactivity
Human,
Mouse,
Rat
Host/Isotype
Rabbit
/ IgG
Class
Polyclonal
Type
Antibody
Immunogen
A synthesized peptide derived from human POLR2A(Accession P24928), corresponding to amino acid residues around phosphorylated Ser1616.
Conjugate
Unconjugated
Unconjugated
Unconjugated
Form
Liquid
Concentration
1 mg/mL
Amount
100 µg
Purification
sequential chromatography
Storage buffer
PBS, pH 7.4, with 50% glycerol
Contains
0.02% sodium azide
Storage conditions
-20°C
Shipping conditions
Ambient (domestic); Wet ice (international)
RRID
Product Specific Information
Antibody detects endogenous levels of POLR2A only when phosphorylated at Ser1616.
Target Information
DNA-directed RNA polymerase II subunit RPB1 (POLR1A) is a DNA-dependent RNA polymerase that catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. POLR1A is the largest subunit and is a catalytic component of RNA polymerase II which synthesizes mRNA precurors and many functional non-coding RNAs. It also 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 though 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 stie and is through 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's largest subunit (RPB1), which serves as a platform for assembly of factors that regulate transcription initiation, elongation, termination, and mRNA processing. Regulation of gene expression levels depends on the balance between methylation and acetylation levelts of the CTD-lysines.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: 3'-5' exoribonuclease; DNA-directed RNA polymerase II largest subunit, RNA polymerase II 220 kd subunit; DNA-directed RNA polymerase II subunit A; DNA-directed RNA polymerase II subunit RPB1; DNA-directed RNA polymerase III largest subunit; EC 2.7.7.6; MGC75453; Pol II S2p; Polymerase (RNA II (DNA directed), large polypeptide; polymerase (RNA) II (DNA directed) polypeptide A; polymerase (RNA) II (DNA directed) polypeptide A, 220kDa; polymerase (RNA) II subunit A; POLYMERASE II; RNA; RNA POL2; RNA polymerase II; RNA polymerase II 1; RNA polymerase II subunit B1; RNA-directed RNA polymerase II subunit RPB1; RP02; RPB220; RPO21; SUA8; unnamed protein product
Gene Aliases: 220kDa; hRPB220; hsRPB1; NEDHIB; POLR2; POLR2A; POLRA; RPB1; RPBh1; Rpii215; RpIILS; RPO2; Rpo2-1; RPOL2
UniProt ID: (Human) P24928, (Mouse) P08775
Entrez Gene ID: (Human) 5430, (Mouse) 20020, (Rat) 363633
magnesium ion binding
nucleic acid binding
DNA binding
RNA binding
DNA-directed RNA polymerase activity
RNA-directed RNA polymerase activity
protein binding
zinc ion binding
transferase activity
nucleotidyltransferase activity
hydrolase activity
kinase binding
ubiquitin protein ligase binding
RNA polymerase activity
metal ion binding
microfibril binding
promoter-specific chromatin binding
core promoter binding
RNA polymerase II activity
poly(A) RNA binding
molecular_function
DNA-directed RNA polymerase
transcription, RNA-templated
transcription, DNA-templated
DNA-templated transcription, termination
regulation of transcription, DNA-templated
transcription from RNA polymerase II promoter
transcription elongation from RNA polymerase II promoter
positive regulation of gene expression
positive regulation of RNA splicing
mRNA transcription from RNA polymerase II promoter
biological_process
response to organic cyclic compound
cellular response to oxygen levels
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Performance Guarantee
If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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