Recombinant Human Importin subunit alpha-3 (KPNA3)

Product Details

Purity
>85% (SDS-PAGE)
Target Names
KPNA3
Uniprot NO.
Species
Homo sapiens (Human)
Source
Yeast
Expression Region
2-521
Target Protein Sequence
AENPSLENH RIKSFKNKGR DVETMRRHRN EVTVELRKNK RDEHLLKKRN VPQEESLEDS DVDADFKAQN VTLEAILQNA TSDNPVVQLS AVQAARKLLS SDRNPPIDDL IKSGILPILV KCLERDDNPS LQFEAAWALT NIASGTSAQT QAVVQSNAVP LFLRLLRSPH QNVCEQAVWA LGNIIGDGPQ CRDYVISLGV VKPLLSFISP SIPITFLRNV TWVIVNLCRN KDPPPPMETV QEILPALCVL IYHTDINILV DTVWALSYLT DGGNEQIQMV IDSGVVPFLV PLLSHQEVKV QTAALRAVGN IVTGTDEQTQ VVLNCDVLSH FPNLLSHPKE KINKEAVWFL SNITAGNQQQ VQAVIDAGLI PMIIHQLAKG DFGTQKEAAW AISNLTISGR KDQVEYLVQQ NVIPPFCNLL SVKDSQVVQV VLDGLKNILI MAGDEASTIA EIIEECGGLE KIEVLQQHEN EDIYKLAFEI IDQYFSGDDI DEDPCLIPEA TQGGTYNFDP TANLQTKEFN F
Note: The complete sequence may include tag sequence, target protein sequence, linker sequence and extra sequence that is translated with the protein sequence for the purpose(s) of secretion, stability, solubility, etc.
If the exact amino acid sequence of this recombinant protein is critical to your application, please explicitly request the full and complete sequence of this protein before ordering.
Protein Length
Full Length of Mature Protein
Tag Info
N-terminal His-tagged/Tag-Free
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Storage
Store at -20°C, for extended storage, conserve at -20°C or -80°C.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Customer Reviews and Q&A

 Customer Reviews

Target Background

Function(From Uniprot)
Functions in nuclear protein import as an adapter protein for nuclear receptor KPNB1. Binds specifically and directly to substrates containing either a simple or bipartite NLS motif. Docking of the importin/substrate complex to the nuclear pore complex (NPC) is mediated by KPNB1 through binding to nucleoporin FxFG repeats and the complex is subsequently translocated through the pore by an energy requiring, Ran-dependent mechanism. At the nucleoplasmic side of the NPC, Ran binds to importin-beta and the three components separate and importin-alpha and -beta are re-exported from the nucleus to the cytoplasm where GTP hydrolysis releases Ran from importin. The directionality of nuclear import is thought to be conferred by an asymmetric distribution of the GTP- and GDP-bound forms of Ran between the cytoplasm and nucleus. In vitro, mediates the nuclear import of human cytomegalovirus UL84 by recognizing a non-classical NLS. Recognizes NLSs of influenza A virus nucleoprotein probably through ARM repeats 7-9.
Gene References into Functions
  1. Studied the role of KPNA3 (karyopherin subunit alpha 3) in nuclear transport of ataxin-3 in spinocerebellar ataxia type 3. PMID:29476013
  2. These results suggest that the Japanese encephalitis virus NS5 inhibits the induction of type I interferon by targeting KPNA3 and KPNA4. PMID:28179530
  3. Karyopherin alpha 3 and karyopherin alpha 4 proteins mediate the nuclear import of methyl-CpG binding protein 2. PMID:26245896
  4. SNP rs2273816 is significantly associated with schizophrenia, opiate dependence and alcohol dependence at the genotype and allele level PMID:22960338
  5. The present study suggests that the KPNA3 may contribute genetically to schizophrenia in a small effect size. PMID:15882913
  6. The present work suggests that the combination of the KPNA3 gene and the KPNB3 gene may increase a genetic risk for schizophrenia. PMID:16644122

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Subcellular Location
Cytoplasm. Nucleus.
Protein Families
Importin alpha family
Tissue Specificity
Ubiquitous. Highest levels in heart and skeletal muscle.
Database Links

HGNC: 6396

UNIGENE: Hs.527919

KEGG: hsa:3839

STRING: 9606.ENSP00000261667

OMIM: 601892

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