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SAB4200155

Sigma-Aldrich

Anti-Importin 9 (N-terminal) antibody produced in rabbit

~1.0 mg/mL, affinity isolated antibody

Synonym(s):

Anti-IMP9, Anti-IPO9, Anti-RANBP9, Anti-Ran-binding protein 9

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

rabbit

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen ~120 kDa

species reactivity

human

concentration

~1.0 mg/mL

technique(s)

immunoprecipitation (IP): 5.0-10 μg
indirect immunofluorescence: 1.25-2.5 μg/mL using fixed HEK-293T cells
western blot: 1-2 μg/mL using HeLa cell lysates

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... IPO9(55705)
mouse ... Ipo9(226432)
rat ... Ipo9(304817)

General description

Importin 9 (IPO9) is encoded by the gene mapped to human chromosome 1q32.1. The encoded protein is a molecular transporter and chaperone and is a member of karyopherins super-family. IPO9 has a molecular weight of ~110kDa.

Specificity

Anti-Importin 9 (N-terminal) recognizes human Importin 9.

Immunogen

synthetic peptide corresponding to amino acids 90-105 of human Importin 9 conjugated to KLH. The corresponding sequence is identical in mouse and rat.

Application

Anti-Importin 9 (N-terminal) antibody produced in rabbit may be used in:
  • immunoblotting
  • immunoprecipitation
  • immunofluorescence

Biochem/physiol Actions

Importin 9 (IPO9) promotes transcriptional activity by actively regulating nuclear actin levels. The encoded protein facilitates transport of ribosomal proteins and core histones into the nucleus. Additionally, it acts as an import receptor for c-Jun. Elevated expression of Ipo9 decreased and knockdown of Ipo9 increased basal type I interferon (IFN)-ε expression.
Importin 9 is an import factor for many proteins, including the hepatocellular carcinoma associated protein, core histone H2B and the heat shock protein, HSP27.

Physical form

Solution in 0.01 M phos­phate buffered saline, pH 7.4, containing 15 mM sodium azide.

Storage and Stability

For continuous use, store at 2-8 °C for up to one month. For extended storage, freeze in working aliquots. Repeated freezing and thawing, or storage in “frost-free” freezers, is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilutions should be discarded if not used within 12 hours.

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

10 - Combustible liquids

flash_point_f

Not applicable

flash_point_c

Not applicable


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Active maintenance of nuclear actin by importin 9 supports transcription.
Dopie J
Proceedings of the National Academy of Sciences of the USA, 109, E544-E552 (2012)
Novel role for molecular transporter importin 9 in posttranscriptional regulation of IFN-? expression.
Matsumiya T
Journal of Immunology, 191, 1907-1915 (2013)
Screening of tumor suppressor genes on 1q31.1-32.1 in Chinese patients with sporadic colorectal cancer.
Zhou CZ
Chinese Medical Journal (English Edition), 121, 2479-2486 (2008)
Nuclear Import of c-Jun Is Mediated by Multiple Transport Receptors
Waldmann I
The Journal of Biological Chemistry, 282, 27685-27692 (2007)
Importins fulfil a dual function as nuclear import receptors and cytoplasmic chaperones for exposed basic domains
Jakel S, et al.
The Embo Journal, 21(3), 377-386 (2002)

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