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HPA000637

Sigma-Aldrich

Anti-PABPN1 antibody produced in rabbit

Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody, buffered aqueous glycerol solution

Synonym(s):

Anti-OPMD, Anti-PAB2, Anti-PABP2

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About This Item

UNSPSC Code:
12352203
Human Protein Atlas Number:
NACRES:
NA.43

biological source

rabbit

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

product line

Prestige Antibodies® Powered by Atlas Antibodies

form

buffered aqueous glycerol solution

species reactivity

mouse, human

technique(s)

immunoblotting: 0.04-0.4 μg/mL
immunohistochemistry: 1:50-1:200

immunogen sequence

MSIEEKMEADARSIYVGNVDYGATAEELEAHFHGCGSVNRVTILCDKFSGHPKGFAYIEFSDKESVRTSLALDESLFRGRQIKVIPKRTNRPGISTTDRGFPRARYRARTTNYNSSRSRFYSGFNSRPRGRVYRGRARATSWY

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... PABPN1(8106)

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General description

PABPN1 (poly(A) binding protein, nuclear 1) is a member of the PABP protein family, which resides in the nucleus. PABPC1 is a resident of the cytoplasm. PABPN1 was initially identified in vitro, as a protein facilitating the formation of RNA poly(A) tails. This protein has a ubiquitous expression pattern. This gene is localized to human chromosome 14q11.2-q13. The encoded protein is composed of 306 amino acids, and has a molecular weight of 32.8kDa. Its N-terminal is acidic in nature, and it contains a conserved RRM domain (RNA recognition motif) in its central region, followed by the C-terminal. There are 10 consecutive alanine residues in its N-terminal.

Immunogen

poly(A) binding protein, nuclear 1

Application

All Prestige Antibodies Powered by Atlas Antibodies are developed and validated by the Human Protein Atlas (HPA) project and as a result, are supported by the most extensive characterization in the industry.

The Human Protein Atlas project can be subdivided into three efforts: Human Tissue Atlas, Cancer Atlas, and Human Cell Atlas. The antibodies that have been generated in support of the Tissue and Cancer Atlas projects have been tested by immunohistochemistry against hundreds of normal and disease tissues and through the recent efforts of the Human Cell Atlas project, many have been characterized by immunofluorescence to map the human proteome not only at the tissue level but now at the subcellular level. These images and the collection of this vast data set can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. We also provide Prestige Antibodies® protocols and other useful information.

Biochem/physiol Actions

PABPN1 (poly(A) binding protein, nuclear 1) is involved in pre-mRNA processing in the nucleus. It promotes the synthesis, as well as controls the length of the poly(A) tail at the 3′ end of the mRNA. It binds to the nascent mRNA transcript and controls the poly(A) tract elongation process in multicellular organisms. The protein may promote tumor aggressiveness by releasing the cancer cells from microRNA-mediated gene regulation. Mutations in this gene are associated with oculopharyngeal muscular dystrophy (OPMD) disorder. It is autosomal dominant in nature, and is a late onset muscular dystrophy disorder. It is characterized by drooping eyelids, difficulty in swallowing and weakness in proximal limbs.

Features and Benefits

Prestige Antibodies® are highly characterized and extensively validated antibodies with the added benefit of all available characterization data for each target being accessible via the Human Protein Atlas portal linked just below the product name at the top of this page. The uniqueness and low cross-reactivity of the Prestige Antibodies® to other proteins are due to a thorough selection of antigen regions, affinity purification, and stringent selection. Prestige antigen controls are available for every corresponding Prestige Antibody and can be found in the linkage section.

Every Prestige Antibody is tested in the following ways:
  • IHC tissue array of 44 normal human tissues and 20 of the most common cancer type tissues.
  • Protein array of 364 human recombinant protein fragments.

Linkage

Corresponding Antigen APREST70406

Physical form

Solution in phosphate-buffered saline, pH 7.2, containing 40% glycerol and 0.02% sodium azide

Legal Information

Prestige Antibodies is a registered trademark of Merck KGaA, Darmstadt, Germany

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 Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Junji Ichinose et al.
Cancer science, 105(9), 1135-1141 (2014-07-01)
Alternative polyadenylation (APA), which induces shortening of the 3'UTR, is emerging as an important phenomenon in gene regulation. APA is involved in development, cancer and cell proliferation. APA may lead to disruption of microRNA-mediated gene silencing in cancer cells via
B Brais et al.
Human molecular genetics, 4(3), 429-434 (1995-03-01)
Oculopharyngeal muscular dystrophy (OPMD) is a late-onset autosomal dominant muscular dystrophy which presents typically after the age of 50 with progressive eyelid drooping and an increasing difficulty in swallowing. Though OPMD has a world-wide incidence, it is more common in
Reno Winter et al.
The Journal of biological chemistry, 287(27), 22662-22671 (2012-05-10)
Oculopharyngeal muscular dystrophy is a late-onset disease caused by an elongation of a natural 10-alanine segment within the N-terminal domain of the nuclear poly(A)-binding protein 1 (PABPN1) to maximally 17 alanines. The disease is characterized by intranuclear deposits consisting primarily
Yves B Beaulieu et al.
PLoS genetics, 8(11), e1003078-e1003078 (2012-11-21)
The poly(A)-binding protein nuclear 1 (PABPN1) is a ubiquitously expressed protein that is thought to function during mRNA poly(A) tail synthesis in the nucleus. Despite the predicted role of PABPN1 in mRNA polyadenylation, little is known about the impact of
Rumpa Biswas Bhattacharjee et al.
Cell biology international, 36(8), 697-704 (2012-04-24)
The PABPN1 [nuclear poly(A)-binding protein 1] is ubiquitous, binds to the nascent mRNA transcript and controls the poly(A) tract elongation process in multicellular organisms. Expansion of GCG repeats that encode first 6 of the 10 alanine residues of a polyalanine

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