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Key Documents

HPA008216

Sigma-Aldrich

Anti-SEC23B antibody produced in rabbit

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

Synonym(s):

Anti-Protein transport protein Sec23B antibody produced in rabbit, Anti-SEC23-related protein B antibody produced in rabbit

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About This Item

UNSPSC Code:
12352203
Human Protein Atlas Number:

biological source

rabbit

Quality Level

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

rat, mouse, human

technique(s)

immunofluorescence: 0.25-2 μg/mL
immunohistochemistry: 1:200-1:500

immunogen sequence

MVQVHELSCEGISKSYVFRGTKDLTAKQIQDMLGLTKPAMPMQQARPAQPQEHPFASSRFLQPVHKIDMNLTDLLGELQRDPWPVTQGKRPLRSTGV

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... SEC23B(10483)

Related Categories

General description

The gene encoding protein transport protein Sec23 homolog B (SEC23B) is about 54kb long and located on the chromosome 20p11.23. It is composed of five domains: zinc finger domain, trunk domain, β-sheet domain, helical domain and gelsolin domain.

Immunogen

Protein transport protein Sec23B recombinant protein epitope signature tag (PrEST)

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

Protein transport protein Sec23 homolog B (SEC23B) is part of the coat protein complex II (COPII) which is required by proteins to be transported out of the endoplasmic reticulum (ER). It is a secretion-associated RAS-related protein 1 (SAR1) GTPase-activating protein and also plays a role in cargo recognition. Conversion of SAR1-GTP to SAR1-GDP causes its dissociation from the COPII coat. SAR1-bound SEC23B interacts with the C terminus of SEC31, creating a link between the outer-coat SEC13–SEC31 complex and the inner-coat SAR1–SEC23B–SEC24 complex. When it interacts with the outer coat, the GAP activity is stimulated and this accelerates the GTP hydrolysis of SAR1. SAR1 gets released and SEC23B interacts with the trappin protein transglutaminase (TRAPPI) complex subunits like dynactin which are all involved in vesicle tethering, fusion and transportation along microtubules. Finally, SEC23 is phosphorylated and this leads to the fusion of COPII vesicles with the target membrane.

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 APREST86883

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

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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Roberta Russo et al.
American journal of hematology, 85(12), 915-920 (2010-10-14)
SEC23B gene encodes an essential component of the coat protein complex II (COPII)-coated vesicles. Mutations in this gene cause the vast majority the congenital dyserythropoietic anemia Type II (CDA II), a rare disorder resulting from impaired erythropoiesis. Here, we investigated
Jiayi Tao et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(29), E2001-E2009 (2012-06-30)
In eukaryotic cells, newly synthesized secretory proteins require COPII (coat protein complex II) to exit the endoplasmic reticulum (ER). COPII contains five core components: SAR1, SEC23, SEC24, SEC13, and SEC31. SEC23 is a GTPase-activating protein that activates the SAR1 GTPase

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