MABS157
Anti-O-Linked N-Acetylglucosamine Antibody, clone RL2
clone RL2, from mouse
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All Photos(2)
Synonym(s):
O-Linked N-Acetylglucosamine
UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41
Recommended Products
biological source
mouse
Quality Level
antibody form
purified immunoglobulin
antibody product type
primary antibodies
clone
RL2, monoclonal
species reactivity (predicted by homology)
all
technique(s)
affinity binding assay: suitable
electron microscopy: suitable
immunocytochemistry: suitable
immunoprecipitation (IP): suitable
western blot: suitable
isotype
IgG1κ
shipped in
wet ice
target post-translational modification
unmodified
Gene Information
human ... OGT(8473)
General description
Posttranslational modification of proteins by β-linked N-acetylglucosamine (β-GlcNAc) via the hydroxyl moieties on serine or threonine residues is termed O-linked β-GlcNAc or simply O-GlcNAc. O-GlcNAc is one of the most abundant posttranslational modifications within the nucleocytoplasmic compartments of all animals and plants. Unlike other types of protein glycosylations, O-GlcNAc occurs exclusively within the nuclear and cytoplasmic compartments and is generally not further modified to form more elongated structures. In addition, O-GlcNAcylation is a highly dynamic and reversible process. The O-GlcNAc transferase (OGT) attaches O-GlcNAc to proteins at specific serine or threonine residues, while O-GlcNAcase catalyzes the removal/hydrolysis of O-GlcNAc from proteins. In fact, a dynamic interplay between O-GlcNAcylation and serine/threonine phosphorylation plays an important role in regulating cellular signaling. Tau and RNA polymerase II (Pol II) are two well known proteins that undergo modification by O-GlcNAcylation. In Alzheimer’s diseased human brains, tau becomes extensively phosphorylated and less O-GlcNAcylated. Similarly, O-GlcNAc is removed and replaced with O-phosphate on the Poly II CTD when the elongation phase of transcription is initiated.
Specificity
Specifically recoginzes O-linked N-Acetylglucosamine (O-GlcNAc) moieties on O-GlcNAcylated proteins and peptides. Exhibits little reactivity toward free GIcNAc and no reactivity toward GalNac. Galactosyltransferase treatment of O-GlcNAcylated proteins results in galactosylation of O-GlcNAc via β1-4 linkage and a complete loss of binding by clone RL2 (Holt, G.D., et al. (1987). J. Cell Biol. 104(5):1157-1164).
Target structure is not species-specific.
Immunogen
Pore complex-lamina fraction purified from rat liver nuclear envelopes corresponding to Rat O-Linked N-Acetylglucosamine.
Application
Anti-O-Linked N-Acetylglucosamine Antibody, clone RL2 is an antibody against O-Linked N-Acetylglucosamine for use in Western Blotting, Immunocytochemistry, Affinity Binding Assay, Electron Microscopy, Immunoprecipitation.
Immunocytochemistry Analysis: 4.0 µg/mL from a representative lot detected O-Linked N-Acetylglucosamine in HeLa cells.
Immunocytochemistry Analysis: A representative lot immunostained nuclear envelopes, but not the nuclear interior, of digitonin-permeabilized HeLa cells. Clone RL2 stained the nuclear interior only among Triton X-100-permeabilized HeLa cells without intact nuclear envelopes (Adam, S.A., et al. (1990). J. Cell Biol. 111(3):807-816).
Affinity Binding Assay: A representative lot was radiolabeled with 125I and studied for its binding characteristics toward isolated rat liver nuclear envelopes (Snow, C.M., et al. (1987). J. Cell Biol. 104(5):1143-1156).
Electron Microscopy: A representative lot localized the O-GlcNAc immunoreactivity in isolated rat liver nuclear envelopes (Snow, C.M., et al. (1987). J. Cell Biol. 104(5):1143-1156).
Western Blotting Analysis: A representative lot detected O-GlcNAcylated proteins in rat liver nuclear envelopes preparations (Snow, C.M., et al. (1987). J. Cell Biol. 104(5):1143-1156; Holt, G.D., et al. (1987). J. Cell Biol. 104(5):1157-1164).
Immunoprecipitation Analysis: A representative lot immunoprecipitated O-GlcNAcylated proteins from solubilized rat liver nuclear envelopes preparations. Pretreatment of nuclear envelopes preparations with galactosyltrarnsferase prevented the immunoprecipitation of glycoproteins by clone RL2 (Snow, C.M., et al. (1987). J. Cell Biol. 104(5):1143-1156; Holt, G.D., et al. (1987). J. Cell Biol. 104(5):1157-1164).
Immunocytochemistry Analysis: A representative lot immunostained nuclear envelopes, but not the nuclear interior, of digitonin-permeabilized HeLa cells. Clone RL2 stained the nuclear interior only among Triton X-100-permeabilized HeLa cells without intact nuclear envelopes (Adam, S.A., et al. (1990). J. Cell Biol. 111(3):807-816).
Affinity Binding Assay: A representative lot was radiolabeled with 125I and studied for its binding characteristics toward isolated rat liver nuclear envelopes (Snow, C.M., et al. (1987). J. Cell Biol. 104(5):1143-1156).
Electron Microscopy: A representative lot localized the O-GlcNAc immunoreactivity in isolated rat liver nuclear envelopes (Snow, C.M., et al. (1987). J. Cell Biol. 104(5):1143-1156).
Western Blotting Analysis: A representative lot detected O-GlcNAcylated proteins in rat liver nuclear envelopes preparations (Snow, C.M., et al. (1987). J. Cell Biol. 104(5):1143-1156; Holt, G.D., et al. (1987). J. Cell Biol. 104(5):1157-1164).
Immunoprecipitation Analysis: A representative lot immunoprecipitated O-GlcNAcylated proteins from solubilized rat liver nuclear envelopes preparations. Pretreatment of nuclear envelopes preparations with galactosyltrarnsferase prevented the immunoprecipitation of glycoproteins by clone RL2 (Snow, C.M., et al. (1987). J. Cell Biol. 104(5):1143-1156; Holt, G.D., et al. (1987). J. Cell Biol. 104(5):1157-1164).
Quality
Evaluated by Western Blotting in HeLa cell lysate.
Western Blotting Analysis: 1.0 µg/mL of this antibody detected O-Linked N-Acetylglucosamine in 10 µg of HeLa cell lysate.
Western Blotting Analysis: 1.0 µg/mL of this antibody detected O-Linked N-Acetylglucosamine in 10 µg of HeLa cell lysate.
Target description
Variable, depending on the size(s) of the O-GlcNAcylated protein(s).
Physical form
Format: Purified
Other Notes
Concentration: Please refer to lot specific datasheet.
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Kent Miyazaki et al.
Clinical & experimental metastasis (2024-06-18)
Our previous studies revealed a novel link between gemcitabine (GEM) chemotherapy and elevated glutamine-fructose-6-phosphate transaminase 2 (GFPT2) expression in pancreatic cancer (PaCa) cells. GFPT2 is a rate-limiting enzyme in the hexosamine biosynthesis pathway (HBP). HBP can enhance metastatic potential by
Toni Mueller et al.
Frontiers in aging, 1, 620382-620382 (2021-03-12)
O-GlcNAcylation is a protein posttranslational modification that results in the addition of O-GlcNAc to Ser/Thr residues. Since its discovery in the 1980s, it has been shown to play an important role in a broad range of cellular functions by modifying
Wei Qin et al.
Nature communications, 12(1), 4980-4980 (2021-08-19)
Proximity labeling (PL) with genetically-targeted promiscuous enzymes has emerged as a powerful tool for unbiased proteome discovery. By combining the spatiotemporal specificity of PL with methods for functional protein enrichment, we show that it is possible to map specific protein
Virginia Kroef et al.
eLife, 11 (2022-03-02)
The hexosamine biosynthetic pathway (HBP) produces the essential metabolite UDP-GlcNAc and plays a key role in metabolism, health, and aging. The HBP is controlled by its rate-limiting enzyme glutamine fructose-6-phosphate amidotransferase (GFPT/GFAT) that is directly inhibited by UDP-GlcNAc in a
Kamau Fahie et al.
Current protocols, 1(5), e129-e129 (2021-05-19)
O-GlcNAc is a common post-translational modification of nuclear, mitochondrial, and cytoplasmic proteins that regulates normal physiology and the cell stress response. Dysregulation of O-GlcNAc cycling is implicated in the etiology of type II diabetes, heart failure, hypertension, and Alzheimer's disease
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