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Product Details
CF810050
Applications
Tested Dilution
Publications
Product Specifications
Species Reactivity
Human,
Mouse,
Rat
Host/Isotype
Mouse
/ IgG1
Class
Monoclonal
Type
Antibody
Clone
OTI3C8
Immunogen
Human recombinant protein fragment corresponding to amino acids 1351-1614 of human POLR2A produced in E.coli.
Conjugate
Form
Lyophilized
Concentration
1 mg/mL
Purification
Affinity chromatography
Storage buffer
PBS, pH 7.3, with 8% trehalose
Contains
no preservative
Storage conditions
-20° C, Avoid Freeze/Thaw Cycles
Shipping conditions
Ambient (domestic); Wet ice (international)
Product Specific Information
For reconstitution, we recommend adding 100 µL distilled water to a final antibody concentration of about 1 mg/mL. To use this carrier-free antibody for conjugation experiments, we strongly recommend performing another round of desalting. (Zeba Spin Desalting Columns, 7KMWCO, 0.5 mL, Product # 89882)
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 1; RNA polymerase II subunit B1; RNA-directed RNA polymerase II subunit RPB1; RP02; RPB220; RPO21; SUA8
Gene Aliases: 220kDa; hRPB220; hsRPB1; 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
RNA polymerase II activity
DNA binding
DNA-directed RNA polymerase activity
RNA-directed RNA polymerase activity
protein binding
ubiquitin protein ligase binding
poly(A) RNA binding
metal ion binding
core promoter binding
transferase activity
nucleotidyltransferase activity
molecular_function
DNA-directed RNA polymerase
mRNA splicing, via spliceosome
transcription, RNA-templated
transcription-coupled nucleotide-excision repair
DNA-templated transcription, termination
regulation of transcription, DNA-templated
transcription from RNA polymerase II promoter
transcription initiation from RNA polymerase II promoter
transcription elongation from RNA polymerase II promoter
7-methylguanosine mRNA capping
fibroblast growth factor receptor signaling pathway
gene expression
gene silencing by RNA
positive regulation of RNA splicing
somatic stem cell population maintenance
snRNA transcription from RNA polymerase II promoter
positive regulation of viral transcription
transcription, DNA-templated
biological_process
response to organic cyclic compound
cellular response to oxygen levels
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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