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Merck

P7122

Sigma-Aldrich

Anti-Protein Disulfide Isomerase (DL-11) antibody produced in rabbit

enhanced validation

affinity isolated antibody, buffered aqueous solution

Sinónimos:

Prolyl 4-hydroxylase subunit β (P4HB), Anti-Erp58, Anti-PDI

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.41

biological source

rabbit

Quality Level

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen 57 kDa

species reactivity

mouse, human, rat

packaging

antibody small pack of 25 μL

enhanced validation

independent
Learn more about Antibody Enhanced Validation

technique(s)

immunoprecipitation (IP): 1-2 μg using RIPA lysate (250-500 μg) of rat NRK cells
indirect immunofluorescence: 2-5 μg/mL using human HeLa cells
western blot (chemiluminescent): 0.1-0.2 μg/mL using whole extract of mouse NIH3T3 cells

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... P4HB(5034)
mouse ... P4hb(18453)
rat ... P4hb(25506)

General description

Prolyl 4-hydroxylase subunit β (P4HB) is a redox-regulated thiol-containing protein. The gene encoding this protein is localized on human chromosome 17q25.3.
Protein Disulfide Isomerase is an abundant multifunctional, soluble enzyme (E.C. 5.3.4.1). PDI is expressed in cellular localizations such as the cell surface, cytosol and nucleus. PDI consists of four tandem domains, two of which contain a catalytic site for S-S bond formation. One domain is the main site of noncovalent interaction with other peptides or proteins. PDI has an N-terminal ER signal and C-terminal ER retention KDEL signal sequences.

Immunogen

synthetic peptide corresponding to amino acid residues 498-508 of human protein disulfide isomerase.

Application

Anti-Protein Disulfide Isomerase (DL-11) antibody produced in rabbit has been used in:
  • immunofluorescence
  • immunoprecipitation
  • immunoblotting

Biochem/physiol Actions

Prolyl 4-hydroxylase subunit β (P4HB) acts as a molecular chaperone in the endoplasmic reticulum of cells and also as an oxidoreductase. It associates with steroid hormones and modulates their actions, concentrations and storage. P4HB accelerates the formation of disulphide bonds in proteins and hence aids in their folding.
Protein Disulfide Isomerase serves as a molecular chaperone, that can suppress protein aggregation. PDI has functions as an essential component of two protein complexes: the heterotetramer collagen prolyl 4-hydroxylase and the heterodimer microsomal triglyceride transfer protein. PDI participates in the hydroxylation of prolines in procollagen during collagen synthesis and in the transfer of neutral lipid onto nascent lipoprotein particles. PDI has calcium-dependent transglutaminase activity, which catalyzes the formation of isopeptide bonds.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 1% bovine serum albumin and 15 mM sodium azide.

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 2

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Visite la Librería de documentos

Blake R Chaffee et al.
Development (Cambridge, England), 141(17), 3388-3398 (2014-08-21)
Lens epithelial cells and early lens fiber cells contain the typical complement of intracellular organelles. However, as lens fiber cells mature they must destroy their organelles, including nuclei, in a process that has remained enigmatic for over a century, but
Lia S Nakao et al.
The Journal of biological chemistry, 290(9), 5685-5695 (2015-01-07)
Thioredoxin (Trx)-fold proteins are protagonists of numerous cellular pathways that are subject to thiol-based redox control. The best characterized regulator of thiols in proteins is Trx1 itself, which together with thioredoxin reductase 1 (TR1) and peroxiredoxins (Prxs) comprises a key
Mechanism of the antichaperone activity of protein disulfide isomerase: facilitated assembly of large, insoluble aggregates of denatured lysozyme and PDI
Sideraki V and Gilbert HF
Biochemistry, 39(5), 1180-1188 (2000)
Red/ox states of human protein disulfide isomerase regulate binding affinity of 17 beta-estradiol.
Karamzadeh R
Archives of Biochemistry and Biophysics (2017)
Protein disulfide isomerase: Structure, mechanism of oxidative protein folding and multiple functional roles
Khan R, et al.
Journal of Biochemistry and Molecular Biology Research, 2(3), 173-179 (2016)

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