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RecombinantRabMAb

Recombinant Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)

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Dot Blot - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
  • Dot Blot - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
  • Immunocytochemistry/ Immunofluorescence - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
  • Immunocytochemistry/ Immunofluorescence - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
  • Immunocytochemistry/ Immunofluorescence - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
  • Flow Cytometry (Intracellular) - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
  • Immunoprecipitation - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
  • Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)

Key features and details

  • Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
  • Rabbit monoclonal [EPR19015] to RNA polymerase II CTD repeat YSPTSPS (phospho S5) - BSA and Azide free
  • Suitable for: Flow Cyt (Intra), WB, IHC-P, ICC/IF, Dot blot, IP
  • Reacts with: Mouse, Rat, Human

Conjugates logo Related conjugates and formulations

Alexa Fluor® 488 Alexa Fluor® 647 PE Unconjugated

Overview

  • Product name

    Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free
    See all RNA polymerase II CTD repeat YSPTSPS primary antibodies

  • Description

    Rabbit monoclonal [EPR19015] to RNA polymerase II CTD repeat YSPTSPS (phospho S5) - BSA and Azide free

  • Host species

    Rabbit

  • Tested applications

    Suitable for: Flow Cyt (Intra), WB, IHC-P, ICC/IF, Dot blot, IPmore details

  • Species reactivity

    Reacts with: Mouse, Rat, Human

  • Immunogen

    Synthetic peptide. This information is proprietary to Abcam and/or its suppliers.

  • Positive control

    • IHC-P: Mouse kidney tissue.

  • General notes

    ab238449 is the carrier-free version of ab193467.

    Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. The carrier-free buffer and high concentration allow for increased conjugation efficiency.

    This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.

    Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with <1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.

    This product is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar® is a trademark of Fluidigm Canada Inc.

    This product is a recombinant monoclonal antibody, which offers several advantages including:

    • - High batch-to-batch consistency and reproducibility
    • - Improved sensitivity and specificity
    • - Long-term security of supply
    • - Animal-free production
    For more information see here.

    Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

Properties

Applications

The Abpromise guarantee

Our Abpromise guarantee covers the use of ab238449 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
Flow Cyt (Intra)
Use at an assay dependent concentration.
WB
Use at an assay dependent concentration. Detects a band of approximately 270 kDa (predicted molecular weight: 192 kDa).
IHC-P
Use at an assay dependent concentration. Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
ICC/IF
Use at an assay dependent concentration.
Dot blot
Use at an assay dependent concentration.
IP
Use at an assay dependent concentration.
Notes
Flow Cyt (Intra)
Use at an assay dependent concentration.
WB
Use at an assay dependent concentration. Detects a band of approximately 270 kDa (predicted molecular weight: 192 kDa).
IHC-P
Use at an assay dependent concentration. Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
ICC/IF
Use at an assay dependent concentration.
Dot blot
Use at an assay dependent concentration.
IP
Use at an assay dependent concentration.

Target

  • 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 an 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.

  • Sequence similarities

    Belongs to the RNA polymerase beta' chain family.

  • Domain

    The C-terminal domain (CTD) serves as a platform for assembly of factors that regulate transcription initiation, elongation, termination and mRNA processing.

  • Post-translational
    modifications

    The tandem heptapeptide 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. Phosphorylation also takes place at 'Ser-7' of the heptapeptide repeat, which is required for efficient transcription of snRNA genes and processing of the transcripts. 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.
    Among tandem heptapeptide repeats of the C-terminal domain (CTD) some do not match the Y-S-P-T-S-P-S consensus, the seventh serine residue 'Ser-7' being replaced by a lysine. 'Lys-7' in these non-consensus heptapeptide repeats can be alternatively acetylated, methylated and dimethylated. EP300 is one of the enzyme able to acetylate 'Lys-7'. Acetylation at 'Lys-7' of non-consensus heptapeptide repeats is associated with 'Ser-2' phosphorylation and active transcription. It may regulate initiation or early elongation steps of transcription specially for inducible genes.
    Methylated at Arg-1810 prior to transcription initiation when the CTD is hypophosphorylated, phosphorylation at Ser-1805 and Ser-1808 preventing this methylation. Symmetrically or asymmetrically dimethylated at Arg-1810 by PRMT5 and CARM1 respectively. Symmetric or asymmetric dimethylation modulates interactions with CTD-binding proteins like SMN1/SMN2 and TDRD3. SMN1/SMN2 interacts preferentially with the symmetrically dimethylated form while TDRD3 interacts with the asymmetric form. Through the recruitment of SMN1/SMN2, symmetric dimethylation is required for resolving RNA-DNA hybrids created by RNA polymerase II, that form R-loop in transcription terminal regions, an important step in proper transcription termination. CTD dimethylation may also facilitate the expression of select RNAs. Among tandem heptapeptide repeats of the C-terminal domain (CTD) some do not match the Y-S-P-T-S-P-S consensus, the seventh serine residue 'Ser-7' being replaced by a lysine. 'Lys-7' in these non-consensus heptapeptide repeats can be alternatively acetylated, methylated and dimethylated. Methylation occurs in the earliest transcription stages and precedes or is concomitant to 'Ser-5' and 'Ser-7' phosphorylation.
    Ubiquitinated by WWP2 leading to proteasomal degradation (By similarity). Following UV treatment, the elongating form of RNA polymerase II (RNA pol IIo) is ubiquitinated UV damage sites without leading to degradation: ubiquitination is facilitated by KIAA1530/UVSSA and promotes RNA pol IIo backtracking to allow access to the nucleotide excision repair machinery.

  • Cellular localization

    Nucleus.
  • Information by UniProt

  • Database links

    • Alternative names

      • DNA directed RNA polymerase II A antibody
      • DNA-directed RNA polymerase II largest subunit RNA polymerase II 220 kd subunit antibody
      • DNA-directed RNA polymerase II subunit A antibody
      • DNA-directed RNA polymerase II subunit RPB1 antibody
      • DNA-directed RNA polymerase III largest subunit antibody
      • hRPB220 antibody
      • hsRPB1 antibody
      • POLR2 antibody
      • Polr2a antibody
      • POLRA antibody
      • Polymerase (RNA) II (DNA directed) polypeptide A 220kDa antibody
      • Polymerase (RNA) II (DNA directed) polypeptide A antibody
      • RNA polymerase II subunit B1 antibody
      • RNA-directed RNA polymerase II subunit RPB1 antibody
      • RPB1 antibody
      • RPB1_HUMAN antibody
      • RPBh1 antibody
      • RpIILS antibody
      • RPO2 antibody
      • RPOL2 antibody
      see all

    Images

    • Dot Blot - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
      Dot Blot - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)

      Lane 1: RNA polymerase II CTD repeat YSPTSPS (phospho S5) phospho peptide
      Lane 2: RNA polymerase II CTD repeat YSPTSPS non-phospho peptide (peptide of ab193467)
      Lane 3: RNA polymerase II CTD repeat YSPTSPS (phospho S2) phospho peptide
      Lane 4: RNA polymerase II CTD repeat YSPTSPS non-phospho peptide (peptide of ab193468)

      Labeled using ab193467 at 1/1000 dilution (0.1 µg/ml), followed by Goat Anti-Rabbit IgG H&L (HRP) secondary antibody (ab97051) at 1/100000 dilution.

      Blocking/Dilution buffer: 5% NFDM/TBST.

      Exposure time: 3 minutes.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab193467).

    • Dot Blot - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
      Dot Blot - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)

      Dot blot analysis of RNA polymerase II CTD repeat YSPTSPS (phospho S5) phospho peptide (Lane 1) and RNA polymerase II CTD repeat YSPTSPS non-phospho peptide (Lane 2) labeled using ab193467 at 1/1000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) secondary antibody (ab97051) at 1/1000 dilution.

      Blocking/Dilution buffer: 5% NFDM/TBST.

      Exposure time: 3 minutes.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab193467).

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)

      Immunohistochemical analysis of paraffin-embedded mouse spleen tissue labeling RNA polymerase II CTD repeat YSPTSPS (phospho S5) with ab193467 at 1/500 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution. Nuclear staining on lymphocytes of mouse spleen is observed. Counter stained with Hematoxylin.

      Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab193467).

      Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

    • Immunocytochemistry/ Immunofluorescence - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
      Immunocytochemistry/ Immunofluorescence - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)

      Immunofluorescent analysis of 4% paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized HeLa (Human epithelial cell line from cervix adenocarcinoma) cells labeling RNA polymerase II CTD repeat YSPTSPS (phospho S5) with ab193467 at 1/250 dilution, followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution (green).

      Confocal image showing nuclear staining on HeLa cell line. The expression decreased after treatment with Lambda Phosphatase 31? for 5 h.

      The nuclear counter stain is DAPI (blue). Tubulin is detected with Anti-alpha Tubulin mouse MAb (ab7291) at 1/1000 dilution, followed by Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) (ab150120) secondary antibody at 1/1000 dilution (red).

      The negative controls are as follows:
      -ve control 1: ab193467 at 1/250 dilution, followed by Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) (ab150120) secondary antibody at 1/1000 dilution.
      -ve control 2: Anti-alpha Tubulin mouse MAb (ab7291) at 1/1000 dilution followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab193467).

    • Immunocytochemistry/ Immunofluorescence - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
      Immunocytochemistry/ Immunofluorescence - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)

      Immunofluorescent analysis of 4% paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized PC-12 (Rat adrenal gland pheochromocytoma cell line) cells labeling RNA polymerase II CTD repeat YSPTSPS (phospho S5) with ab193467 at 1/250 dilution, followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution (green).

      Confocal image showing nuclear staining on PC-12 cell line. The expression decreased after treatment with Lambda Phosphatase at 31? for 5 h.

      The nuclear counter stain is DAPI (blue). Tubulin is detected with Anti-alpha Tubulin mouse MAb (ab7291) at 1/1000 dilution, followed by Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) (ab150120) secondary antibody at 1/1000 dilution (red).

      The negative controls are as follows:
      -ve control 1: ab193467 at 1/250 dilution, followed by Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) (ab150120) secondary antibody at 1/1000 dilution.
      -ve control 2: Anti-alpha Tubulin mouse MAb (ab7291) at 1/1000 dilution followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution.

       

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab193467).

    • Immunocytochemistry/ Immunofluorescence - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
      Immunocytochemistry/ Immunofluorescence - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)

      Immunofluorescent analysis of 4% paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized RAW 264.7 (Mouse macrophage cell line transformed with Abelson murine leukemia virus) cells labeling RNA polymerase II CTD repeat YSPTSPS (phospho S5) with ab193467 at 1/250 dilution, followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution (green).

      Confocal image showing nuclear staining on RAW 264.7 cell line. The expression decreased after treatment with Lambda Phosphatase 31? for 5 h.

      The nuclear counter stain is DAPI (blue). Tubulin is detected with Anti-alpha Tubulin mouse MAb (ab7291) at 1/1000 dilution, followed by Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) (ab150120) secondary antibody at 1/1000 dilution (red).

      The negative controls are as follows:
      -ve control 1: ab193467 at 1/250 dilution, followed by Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) (ab150120) secondary antibody at 1/1000 dilution.
      -ve control 2: Anti-alpha Tubulin mouse MAb (ab7291) at 1/1000 dilution followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution.

       

      The negative controls are as follows:
      -ve control 1: ab193467 at 1/250 dilution followed by ab150120 (AlexaFluor®594 Goat anti-Mouse secondary) at 1/1000 dilution.
      -ve control 2: ab7291 (anti-Tubulin mouse mAb) at 1/1000 dilution followed by ab150077 (Alexa Fluor®488 Goat Anti-Rabbit IgG H&L) at 1/1000 dilution.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab193467).

    • Flow Cytometry (Intracellular) - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
      Flow Cytometry (Intracellular) - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)

      Intracellular flow cytometric analysis of 4% paraformaldehyde-fixed HeLa (Human epithelial cell line from cervix adenocarcinoma) cells labeling  RNA polymerase II CTD repeat YSPTSPS (phospho S5) with ab193467 at 1/30 dilution (red) compared with a rabbit monoclonal IgG isotype control (ab172730; black) and an unlabelled control (cells without incubation with primary antibody and secondary antibody; blue). Goat anti rabbit IgG (FITC) at 1/500 dilution was used as the secondary antibody. 

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab193467). 

       

       

    • Immunoprecipitation - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
      Immunoprecipitation - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)

      RNA polymerase II CTD repeat YSPTSPS (phospho S5) was immunoprecipitated from 1mg of HeLa (Human epithelial cell line from cervix adenocarcinoma) whole cell lysate with ab193467 at 1/20 dilution. Western blot was performed from the immunoprecipitate using ab193467 at 1/1000 dilution. VeriBlot for IP Detection Reagent (HRP) (ab131366), was used for detection at 1/10000 dilution.
      Lane 1: HeLa whole cell lysate 10µg (Input).
      Lane 2: ab193467 IP in HeLa whole cell lysate.
      Lane 3: Rabbit monoclonal IgG (ab172730) instead of ab193467 in HeLa whole cell lysate.
      Blocking and dilution buffer and concentration: 5% NFDM/TBST.
      Exposure time: 5 seconds.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab193467).

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)

      Immunohistochemical analysis of paraffin-embedded mouse kidney tissue labeling RNA polymerase II CTD repeat YSPTSPS (phospho S5) with ab193467 at 1/500 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution. Nuclear staining on epithelial cells of mouse kidney is observed. Counter stained with Hematoxylin.

      Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol and sodium azide (ab193467).

      Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

    • Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)
      Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S5) antibody [EPR19015] - BSA and Azide free (ab238449)

    Protocols

    To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.

    Click here to view the general protocols

    References (0)

    Publishing research using ab238449? Please let us know so that we can cite the reference in this datasheet.

    ab238449 has not yet been referenced specifically in any publications.

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