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Human DNMT3B Antibody

Catalog #: MAB7646
1 Citation Datasheet / COA / SDS

Discontinued Product

MAB7646 has been discontinued.
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Detection of Human DNMT3B by Western Blot.
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Product Details
Citations (1)
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Summary Data Examples Preparation and Storage Reconstitution Calculator Background Product Datasheets Related Research Areas

Human DNMT3B Antibody Summary

Species Reactivity
Human
Specificity
Detects human DNMT3B in ELISAs.
Source
Monoclonal Mouse IgG2A Clone # 832121
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
E. coli-derived recombinant human DNMT3B
Met1-Pro355
Accession # Q9UBC3
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Applications

Recommended Concentration
Sample
Western Blot
2 µg/mL
See below
Immunohistochemistry
8-25 µg/mL
See below
Immunocytochemistry
8-25 µg/mL
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Western Blot Detection of Human DNMT3B antibody by Western Blot. View Larger

Detection of Human DNMT3B by Western Blot. Western blot shows lysates of BG01V human embryonic stem cells. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human DNMT3B Monoclonal Antibody (Catalog # MAB7646) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for DNMT3B at approximately 105 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Immunocytochemistry DNMT3B antibody in iPS2 Human Stem Cell Line by Immunocytochemistry (ICC). View Larger

DNMT3B in iPS2 Human Stem Cell Line. DNMT3B was detected in immersion fixed iPS2 human induced pluripotent stem cell line using Mouse Anti-Human DNMT3B Monoclonal Antibody (Catalog # MAB7646) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red, upper panel; Catalog # NL007) and counterstained with DAPI (blue, lower panel). Specific staining was localized to nuclei. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.

Immunohistochemistry DNMT3B antibody in Human Colon by Immunohistochemistry (IHC-P). View Larger

DNMT3B in Human Colon. DNMT3B was detected in immersion fixed paraffin-embedded sections of human colon using Mouse Anti-Human DNMT3B Monoclonal Antibody (Catalog # MAB7646) at 15 µg/mL overnight at 4 °C. Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Mouse HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS002) and counter-stained with hematoxylin (blue). Specific staining was localized to nuclei in epithelial cells. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Sterile PBS to a final concentration of 0.5 mg/mL.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: DNMT3B

DNMT3B (DNA methyltransferase 3B; also DNA MTase HsaIIIB) is a 95-110 kDa member of the C5-methyltransferase family of enzymes. It is ubiquitously expressed in the embryo and found associated with nuclear pericentric heterochromatin. Pericentric heterochromatin is chromatin composed of satellite repeats that lie adjacent to the centromere. DNA (cytosine-guanine dinucleotides) associated with this area undergos methylation, contributing to gene repression and proper chromosome segregation. Human DNMT3B is 853 amino acids (aa) in length. It contains a PWWP (Pro-Trp-Trp-Pro) domain that binds DNA (aa 225-283), a ADD (ATRX, DNMT3, DNMT3L) domain that contains a Zn-finger and binds to an unmethylated histone H3 tail (aa 423-555), and a class I AdoMet-MTase catalytic region that uses S-adenosyl-L-homocysteine as a substrate for methyl transfer (aa 577-847). There are at least five isoform variants. All show a deletion of aa 365-375. In addition, a second contains an alternative start site 12 aa upstream of the standard site, a third shows a deletion of aa 745-807, a fourth contains a Ser substitution for aa 744-853, while a fifth possesses a 45 aa substitution for aa 768-853. Over aa 1-355, human DNMT3B shares 73% aa sequence identity with mouse DNMT3B.

Long Name
DNA [Cytosine-5-]-Methyltransferase 3B
Entrez Gene IDs
1789 (Human); 13436 (Mouse); 444985 (Rat)
Alternate Names
DNA (cytosine-5-)-methyltransferase 3 beta; DNA (cytosine-5)-methyltransferase 3B; DNA methyltransferase HsaIIIB; DNA MTase HsaIIIB; DNMT3B; EC 2.1.1.37; ICF; ICF1; M.HsaIIIB

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Citation for Human DNMT3B Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. DNMT3B Is an Oxygen-Sensitive De Novo Methylase in Human Mesenchymal Stem Cells
    Authors: F Dogan, RMK Aljumaily, M Kitchen, NR Forsyth
    Cells, 2021-04-27;10(5):.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot

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