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  3. Topoisomerase IIα (D10G9) XP® Rabbit mAb (PE Conjugate)
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Topoisomerase IIα (D10G9) XP® Rabbit mAb (PE Conjugate) #34184

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  • F

    Supporting Data

    REACTIVITY H Mk
    SENSITIVITY Endogenous
    MW (kDa)
    Source/Isotype Rabbit
    Application Key:
    • F-Flow Cytometry 
    Species Cross-Reactivity Key:
    • H-Human 
    • Mk-Monkey 

    Product Information

    Product Description

    This Cell Signaling Technology antibody is conjugated to phycoerythrin (PE) and tested in-house for direct flow cytometry analysis in human cells. This antibody is expected to exhibit the same species cross-reactivity as the unconjugated Topoisomerase IIα (D10G9) XP® Rabbit mAb #12286.

    Product Usage Information

    Application Dilution
    Flow Cytometry (Fixed/Permeabilized) 1:50

    Storage

    Supplied in PBS (pH 7.2), less than 0.1% sodium azide and 2 mg/ml BSA. Store at 4°C. Do not aliquot the antibody. Protect from light. Do not freeze.

    Protocol

    Specificity / Sensitivity

    Topoisomerase IIα (D10G9) XP® Rabbit mAb (PE Conjugate) recognizes endogenous levels of total topoisomerase IIα protein.

    Species Reactivity:

    Human, Monkey

    Source / Purification

    Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human topoisomerase IIα protein.

    Background

    DNA topoisomerases I and II are nuclear enzymes; type II consists of two highly homologous isoforms: topoisomerase IIα and IIβ. These enzymes regulate the topology of DNA, maintain genomic integrity, and are essential for processes such as DNA replication, recombination, transcription, and chromosome segregation by allowing DNA strands to pass through each other (1). Topoisomerase I nicks and rejoins one strand of the duplex DNA, while topoisomerase II transiently breaks and closes double-stranded DNA (2). Topoisomerases are very susceptible to various stresses. Acidic pH or oxidative stress can convert topoisomerases to DNA-breaking nucleases, causing genomic instability and cell death. DNA-damaging topoisomerase targeting drugs (e.g., etoposide) also convert topoisomerases to nucleases, with the enzyme usually trapped as an intermediate that is covalently bound to the 5+ end of the cleaved DNA strand(s). Research studies have shown that this intermediate leads to genomic instability and cell death. Thus, agents that target topoisomerases are highly sought after cancer chemotherapeutic drugs (3). Ca2+-regulated phosphorylation of topoisomerase IIα at Ser1106 modulates the activity of this enzyme and its sensitivity to targeting drugs (4).

    Database Links

    UniProt ID: P11388


    Entrez-Gene Id: 7153


    Limited Uses

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    For Research Use Only. Not For Use In Diagnostic Procedures.
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