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04-808 Anti-dimethyl-Histone H3 (Arg2), clone 20.2 Antibody, rabbit monoclonal

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      Key Specifications Table

      Species ReactivityKey ApplicationsHostFormatAntibody Type
      H, VrtDB, Mplex, PIA, WBRbCulture SupernatantMonoclonal Antibody
      Catalogue Number04-808
      Brand Family Upstate
      Trade Name
      • Upstate
      DescriptionAnti-dimethyl-Histone H3 (Arg2), clone 20.2 Antibody, rabbit monoclonal
      Alternate Names
      • H3R2me2
      • Histone H3 (di methyl R2)
      Background InformationHistones are highly conserved proteins that serve as the structural scaffold for the organization of nuclear DNA into chromatin. The four core histones, H2A, H2B, H3, and H4, assemble into an octamer (2 molecules of each). Subsequently, 146 base pairs of DNA are wrapped around the octamer, forming a nucleosome, the basic subunit of chromatin. Histones are modified post-translationally by the actions of enzymes in both the nucleus and cytoplasm. The most commonly studied modifications are acetylation, phosphorylation, methylation, and ubiquitination. These modifications can alter local chromatin architecture, or recruit trans-acting factors that recognize specific histone modifications (the "histone code" hypothesis). The modifications occur predominantly on the N-terminal and C-terminal tails that extend beyond the nucleosome core particle. Histone H3 Arg2 methylation is a widespread silencing modification that inhibits histone H3 Lys4 trimethylation.
      Product Information
      FormatCulture Supernatant
      • HeLa cell acid extracts
      PresentationCultured supernantant in 0.05% sodium azide
      Quality LevelMQ100
      ApplicationUse Anti-dimethyl-Histone H3 (Arg2), clone 20.2 Antibody (rabbit monoclonal antibody) validated in DB, Mplex, PIA, WB to detect dimethyl-Histone H3 (Arg2) also known as H3R2me2, Histone H3 (di methyl R2).
      Key Applications
      • Dot Blot
      • Multiplexing
      • Peptide Inhibition Assay
      • Western Blotting
      Application NotesDot Blot Analysis: AbSurance™ Histone H3 Antibody Specificity Array (Cat. No. 16-667) and Absurance Histone H2A, H2B, H4 Antibody Specificity Array (Cat. No. 16-665), which contain histone peptides with various modifications were probed with Cat. No. 04-808, Anti-dimethyl H3 (Arg2) at 1ug/mL (1:1000) dilution. Proteins were visualized using a Donkey anti-rabbit IgG conjugated to HRP and a chemiluminescence detection system.

      Peptide Inhibition Analysis:
      2 μM of histone H3 peptide containing dimethyl-Arg2 abolished detection of histone H3 by a previous lot of anti-dimethyl-Histone H3(Arg2) (1:4,000 dilution) in immunoblots of HeLa acid extracts. Some competition of signal was also seen with unmodified peptide containing Arg2.

      Peptide Dot Blot Analysis:
      A 1:4,000-1:16,000 dilution of a previous lot only detected histone H3 peptide containing dimethyl-Arg2. Peptides containing unmodi-fied Arg2, dimethyl-Arg17 or dimethyl-Arg26 were not detected.

      Beadlyte® Histone Peptide Assay:
      1:500-1:48,000 dilutions of a previous lot detected histone H3 peptide containing dimethyl-Arg2. Cross-reactivity to peptides containing unmodified Arg2 or dimethylArg 17 or 26 was not seen.
      Biological Information
      ImmunogenKLH-conjugated, synthetic peptide containing the sequence …Ame2RTKQ…, in which me2R corresponds to dimethyl-arginine 2 of human histone H3.
      EpitopeArg2 of Histone H3
      SpecificityRecognizes dimethyl-arginine at residue 2 of histone H3, Mr 17kDa. Additional unidentified bands above 50 kDa are detected in some samples.
      Species Reactivity
      • Human
      • Vertebrates
      Species Reactivity NoteHuman. The immunizing sequence is highly conserved evolutionarily, so broad cross-reactivity is expected.
      Antibody TypeMonoclonal Antibody
      Entrez Gene Number
      Entrez Gene SummaryHistones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Nucleosomes consist of approximately 146 bp of DNA wrapped around a histone octamer composed of pairs of each of the four core histones (H2A, H2B, H3, and H4). The chromatin fiber is further compacted through the interaction of a linker histone, H1, with the DNA between the nucleosomes to form higher order chromatin structures. This gene is intronless and encodes a member of the histone H3 family. Transcripts from this gene lack polyA tails; instead, they contain a palindromic termination element. This gene is located separately from the other H3 genes that are in the histone gene cluster on chromosome 6p22-p21.3.
      Gene Symbol
      • HIST3H3
      • H3FT
      • MGC126886
      • H3t
      • MGC126888
      • H3T
      • H3/g
      • H3.4
      • H3/t
      • Methylation
      UniProt Number
      UniProt SummaryFUNCTION: SwissProt: Q16695 # Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling.
      SIZE: 136 amino acids; 15508 Da
      SUBUNIT: The nucleosome is a histone octamer containing two molecules each of H2A, H2B, H3 and H4 assembled in one H3-H4 heterotetramer and two H2A-H2B heterodimers. The octamer wraps approximately 147 bp of DNA.
      TISSUE SPECIFICITY: Expressed in testicular cells.
      DEVELOPMENTAL STAGE: Expressed during S phase, then expression strongly decreases as cell division slows down during the process of differentiation.
      PTM: Acetylation is generally linked to gene activation. Acetylation on Lys-10 impairs methylation at Arg-9. Acetylation on Lys-19 and Lys-24 favors methylation at Arg-18 (By similarity). & Citrullination at Arg-9 and/or Arg-18 by PADI4 impairs methylation and represses transcription (By similarity). & Asymmetric dimethylation at Arg-18 by CARM1 is linked to gene activation. Symmetric dimethylation at Arg-9 by PRMT5 is linked to gene repression (By similarity). & Methylation at Lys-5, Lys-37 and Lys-80 are linked to gene activation. Methylation at Lys-5 facilitates subsequent acetylation of H3 and H4. Methylation at Lys-80 is associated with DNA double-strand break (DSB) responses and is a specific target for TP53BP1. Methylation at Lys-10 and Lys-28 are linked to gene repression. Methylation at Lys-10 is a specific target for HP1 proteins (CBX1, CBX3 and CBX5) and prevents subsequent phosphorylation at Ser-11 and acetylation of H3 and H4. Methylation at Lys-5 and Lys-80 require preliminary monoubiquitination of H2B at 'Lys-120'. Methylation at Lys-10 and Lys-28 are enriched in inactive X chromosome chromatin (By similarity). & Phosphorylated at Thr-4 by GSG2/haspin during prophase and dephosphorylated during anaphase. At centromeres, specifically phosphorylated at Thr-12 from prophase to early anaphase. Phosphorylated at Ser-11 during the whole mitosis. Phosphorylation at Ser-11, which is linked to gene activation, prevents methylation at Lys-10 but facilitates acetylation of H3 and H4. Phosphorylated at Ser-29 by MLTK isoform 1, RPS6KA5 or AURKB during mitosis or upon ultraviolet B irradiation (By similarity). & Phosphorylation at 'Ser-11' is crucial for chromosome condensation and cell-cycle progression during mitosis and meiosis. In addition phosphorylation at 'Ser-11' is important during interphase because it enables the transcription of genes following external stimulation, like stress or growth factors. Phosphorylation at 'Ser-11' is also an essential regulatory mechanism for neoplastic cell transformation. Phosphorylation at 'Ser-11' by AURKB/Aurora-B mediates the dissociation of HP1 proteins (CBX1, CBX3 and CBX5) from heterochromatin. & Ubiquitinated (By similarity).
      SIMILARITY: SwissProt: Q16695 ## Belongs to the histone H3 family.
      Molecular Weight17kDa
      Physicochemical Information
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssuranceRoutinely evaluated by immunoblot on acid-extracted proteins from HeLa cells.

      Immunoblot Analysis: A 1:500 (lane 1) and 1:1000 (lane 2) dilution of this lot detected methylated Histone H3 in acid-extracted proteins from HeLa cells.
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsStable for 1 year at -20°C from date of receipt.
      Handling Recommendations: Upon receipt, and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.
      Packaging Information
      Material Size200 µL
      Transport Information
      Supplemental Information
      Global Trade Item Number
      Catalog Number GTIN
      04-808 04053252283529


      Anti-dimethyl-Histone H3 (Arg2), clone 20.2 Antibody, rabbit monoclonal SDS


      Safety Data Sheet (SDS) 

      Anti-dimethyl-Histone H3 (Arg2), clone 20.2 Antibody, rabbit monoclonal Certificates of Analysis

      TitleLot Number
      Anti-dimethyl-Histone H3 (Arg2), clone 20.2 - 2446882 2446882
      Anti-dimethyl-Histone H3 (Arg2), -2803668 2803668
      Anti-dimethyl-Histone H3 (Arg2), clone 20.2 - 2318051 2318051
      Anti-dimethyl-Histone H3 (Arg2), clone 20.2 - 3208809 3208809
      Anti-dimethyl-Histone H3 (Arg2), clone 20.2 - 4015626 4015626
      Anti-dimethyl-Histone H3 (Arg2), clone 20.2 - DAM1565964 DAM1565964
      Anti-dimethyl-Histone H3 (Arg2), clone 20.2 Monoclonal Antibody 2965161


      Reference overviewPub Med ID
      Chemical and biological methods to detect post-translational modifications of arginine.
      Slade, DJ; Subramanian, V; Fuhrmann, J; Thompson, PR
      Biopolymers  101  133-43  2014

      Show Abstract
      23576281 23576281
      Histone H3 Arg2 methylation provides alternative directions for COMPASS.
      Klose, Robert J and Zhang, Yi
      Nat. Struct. Mol. Biol., 14: 1058-60 (2007)  2007

      17984969 17984969
      Histone H3K4 demethylases are essential in development and differentiation.
      Benevolenskaya, Elizaveta V
      Biochem. Cell Biol., 85: 435-43 (2007)  2007

      Show Abstract
      17713579 17713579

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      Life Science Research > Antibodies and Assays > Primary Antibodies