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Key Documents

ABN1681

Sigma-Aldrich

Anti-Phospho-PANX1 (Tyr198)

from rabbit

Sinónimos:

Pannexin-1

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

rabbit

Quality Level

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

species reactivity

human

species reactivity (predicted by homology)

rat (based on 100% sequence homology), mouse (based on 100% sequence homology)

technique(s)

immunofluorescence: suitable
western blot: suitable

NCBI accession no.

UniProt accession no.

shipped in

ambient

target post-translational modification

phosphorylation (pTyr198)

Gene Information

human ... PANX1(24145)

General description

Pannexin-1 (UniProt: Q9JIP4) is encoded by the Panx1 gene (Gene ID: 55991) in murine species. Pannexin-1 is a multi-pass membrane protein of the pannexin family that serves as a high-conductance, voltage-gated channel. It is widely expressed, including in cartilage, skin, spleen, heart, and brain. In the nervous system Panx1 transcripts have been detected in the cerebellum, cortex, lens, retina, pyramidal cells, interneurons of the neocortex and hippocampus. Three pannexin family genes (PANX1-3) have been identified in murine and human genomes. Pannexins share structural and functional similarities and play important roles in several physiological processes, including ATP release, Ca2+ homeostasis, and synaptic neurotransmitters release. Pannexins can also form intermixed channels and the intermixing is more evident between Pannexin 1 and 2. The level of intermixing is governed by the degree of N-glycosylation. Post-translational N-glycosylation plays a role in cell surface targeting. Pannexin-1 can also undergo S-nitrosylation, which can inhibit channel currents and ATP release. It has been shown that Pannexin-1 channel can release ATP in response to activation by TNF-alpha that requires activation of type-1 TNF receptors and downstream signaling through Src family kinases (SFK). Tryosine 198 in the intracellular loop region of Pannexin-1 is highly conserved and is considered as a SFK phosphorylation site. Pannexin-1 has been linked to propagation of calcium waves, regulation of vascular tone, taste-bud function, and in tumor suppression in gliomas. Pannexin-1 channel opening can contribute to cell death and seizures under ischemic or epileptic conditions. (Ref.: Penuela, S et al. (2013). Biochim. Biophys. Acta 1828(11); 15-22).

Specificity

This polyclonal antibody specifically detects pannexin-1 phosphorylated on tyrosine 198 in HEK293 cells transfected with murine Pannexin 1.

Immunogen

A linear peptide corresponding to 12 amino acids surrounding phospho-Tyr198 of murine Pannexin-1.
Epitope: cytoplasmic domain

Application

Anti-Phospho-PANX1 (Tyr198), Cat. No. ABN1681, is a highly specific rabbit polyclonal antibody that targets Pannexin 1 and has been tested in Immunofluorescence and Western blotting.
Research Category
Neuroscience
Western Blotting Analysis: A representative lot detected Phospho-PANX1 (Tyr198) in human coronary smooth muscle cells transfected with an epitope tagged Panx1, & recombinant human Pannexin1 and (active) human Src tyrosine kinase. (Courtesy of Isakson Lab, University of Virginia, Charlottesville, VA).

Immunofluorescence Analysis: A representative lot detected Phospho-PANX1 (Tyr198) in isolated mesenteric venule cross-sections from mice (Lohman, A.W., et. al. (2015). Nat. Commun. 6:7965).

Western Blotting Analysis: A representative lot detected Phospho-PANX1 (Tyr198) in HUVECs stimulated with TNF-a (Lohman, A.W., et. al. (2015). Nat Commun. 6:7965).

Quality

Evaluated by Western Blotting in transfected HEK293 cell lysate.

Western Blotting Analysis: A 1:500 dilution of this antibody detected Phospho-PANX1 (Tyr198) in 10 µg of lysate from HEK293 cells transfected with murine pannexin-1.

Target description

~58 kDa observed; 48.17 kDa calculated. Uncharacterized bands may be observed in some lysate(s).

Physical form

Affinity Purified
Format: Purified
Purified rabbit polyclonal antibody in buffer containing 0.1 M Tris-Glycine (pH 8.0), 0.1% BSA without azide.

Storage and Stability

Stable for 1 year at 2-8°C from date of receipt.

Other Notes

Concentration: Please refer to lot specific datasheet.

Disclaimer

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.

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Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Zheng Ruan et al.
eLife, 13 (2024-05-23)
Protein phosphorylation is one of the major molecular mechanisms regulating protein activity and function throughout the cell. Pannexin 1 (PANX1) is a large-pore channel permeable to ATP and other cellular metabolites. Its tyrosine phosphorylation and subsequent activation have been found
Lisa Maria Metz et al.
International journal of molecular sciences, 23(9) (2022-05-15)
Pannexin-1 (PANX1) is a transmembrane protein that forms ion channels as hexamers on the plasma membrane. Electrophysiological studies prove that PANX1 has a high conductance for adenosine triphosphate (ATP), which plays an important role as a signal molecule in platelet
The NMDA receptor regulates integrin activation, ATP release and arterial thrombosis through store-operated Ca2+ entry in platelets.
Reusswig, et al.
Frontiers in cardiovascular medicine, 10, 1171831-1171831 (2023)
Leon J DeLalio et al.
The Journal of biological chemistry, 294(17), 6940-6956 (2019-03-01)
Pannexin 1 (PANX1)-mediated ATP release in vascular smooth muscle coordinates α1-adrenergic receptor (α1-AR) vasoconstriction and blood pressure homeostasis. We recently identified amino acids 198-200 (YLK) on the PANX1 intracellular loop that are critical for α1-AR-mediated vasoconstriction and PANX1 channel function.
Lisa Maria Metz et al.
Frontiers in molecular biosciences, 10, 1111108-1111108 (2023-03-24)
Abdominal aortic aneurysm (AAA) is a common disease and highly lethal if untreated. The progressive dilatation of the abdominal aorta is accompanied by degradation and remodeling of the vessel wall due to chronic inflammation. Pannexins represent anion-selective channels and play

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