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E1783

Sigma-Aldrich

Monoclonal Anti-eIF5A antibody produced in mouse

~1.0 mg/mL, clone IF5-88, purified immunoglobulin, buffered aqueous solution

Synonym(s):

Anti-Eukaryotic translation initiation factor 5A, Anti-eIF-4D, Anti-eIF-5A-1, Anti-eIF-5A1

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About This Item

UNSPSC Code:
12352203

biological source

mouse

Quality Level

conjugate

unconjugated

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

IF5-88, monoclonal

form

buffered aqueous solution

mol wt

antigen ~17 kDa

species reactivity

canine, monkey, mouse, rat, human

concentration

~1.0 mg/mL

technique(s)

immunocytochemistry: suitable
western blot: 1-2 μg/mL using 3T3 total cell extract

isotype

IgG1

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... EIF5A(1984)
mouse ... Eif5a(276770)
rat ... Eif5a(287444)

Application

Monoclonal Anti-eIF5A antibody produced in mouse is suitable for immunocytochemistry and western blot analysis at a working concentration of 1-2μg/mL using 3T3 total cell extract.

Biochem/physiol Actions

EIF5A (Eukaryotic translation initiation factor 5A-1) gene encodes a mRNA-binding protein involved in translation elongation. It also has an important role in mRNA turnover, mRNA decay, actin dynamics and cell cycle progression. It is also implicated in cell proliferation, synthesis of proteins involved in cell cycle control, and transport of viral mRNAs from nucleus to cytoplasm in association with Rev HIV-I protein. Higher eIF5A protein expression levels are present in lung adenocarcinomas tumors, suggesting eIF5A as a prognostic marker in lung carcinomas. It is a highly conserved protein that undergoes a unique and essential post-translational modification dependent on the polyamine spermidine, called hypusination. Reduction of eIF5A content is implicated in brain aging.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 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

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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D Zuk et al.
The EMBO journal, 17(10), 2914-2925 (1998-06-10)
Most factors known to function in mRNA turnover are not essential for cell viability. To identify essential factors, approximately 4000 temperature-sensitive yeast strains were screened for an increase in the level of the unstable CYH2 pre-mRNA. At the non-permissive temperature
X P Shi et al.
Biochimica et biophysica acta, 1310(1), 119-126 (1997-01-10)
N1-guanyl-1,7-diaminoheptane (GC7) is a potent inhibitor of deoxyhypusine synthase (DHS), the enzyme that catalyzes the first step in the hypusination of eukaryotic translation initiation factor 5A (eIF-5A). Since eIF-5A is the only known cellular substrate for DHS and GC7 has
M H Park et al.
Biological signals, 6(3), 115-123 (1997-05-01)
Hypusine [N epsilon-(4-amino-2-hydroxybutyl)lysine] occurs in all eukaryotes at one residue in a highly conserved protein, the putative eukaryotic translation initiation factor 5A (eIF-5A, old terminology eIF-4D). This unusual amino acid is produced in a unique posttranslational modification reaction that involves
Bindu Menon et al.
Molecular endocrinology (Baltimore, Md.), 28(11), 1796-1806 (2014-09-13)
Down-regulation of LH receptor (LHR) in the ovary by its ligand is mediated by a specific RNA-binding protein, designated LH receptor mRNA-binding protein (LRBP), through translational suppression and mRNA degradation. Using yeast 2-hybrid screens, we previously identified eukaryotic initiation factor
Myung Hee Park
Journal of biochemistry, 139(2), 161-169 (2006-02-03)
The eukaryotic translation initiation factor 5A (eIF5A) is the only cellular protein that contains the unique polyamine-derived amino acid, hypusine [Nepsilon-(4-amino-2-hydroxybutyl)lysine]. Hypusine is formed in eIF5A by a novel post-translational modification reaction that involves two enzymatic steps. In the first

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