Kpnb1 karyopherin subunit beta 1 [Mus musculus (house mouse)] - Gene

Summary

Official Symbol: Kpnb1provided by MGI
Official Full Name: karyopherin subunit beta 1provided by MGI
Primary source: MGI:MGI:107532
See related: Ensembl:ENSMUSG00000001440 AllianceGenome:MGI:107532
Gene type: protein coding
RefSeq status: VALIDATED
Organism: Mus musculus
Lineage: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea; Muridae; Murinae; Mus; Mus
Also known as: IPOB; Impnb
Summary: Enables Hsp90 protein binding activity; importin-alpha family protein binding activity; and nuclear import signal receptor activity. Acts upstream of or within ribosomal protein import into nucleus. Located in cytoplasmic stress granule. Part of protein-containing complex. Is expressed in several structures, including gonad; metencephalon alar plate; neural retina; pancreas; and telencephalon. Orthologous to human KPNB1 (karyopherin subunit beta 1). [provided by Alliance of Genome Resources, Dec 2024]
Expression: Ubiquitous expression in CNS E11.5 (RPKM 73.8), placenta adult (RPKM 41.1) and 26 other tissues See more
Orthologs: human all
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Genomic context

Location:: 11 60.95 cM; 11 D

Exon count:: 22

Annotation release	Status	Assembly	Chr	Location
RS_2024_02	current	GRCm39 (GCF_000001635.27)	11	NC_000077.7 (97050536..97078718, complement)
108.20200622	previous assembly	GRCm38.p6 (GCF_000001635.26)	11	NC_000077.6 (97159710..97187892, complement)

Chromosome 11 - NC_000077.7 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Genomic Sequence:

Go to nucleotide: Graphics FASTA GenBank

Expression

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See details

Project title: Mouse ENCODE transcriptome data
Description: RNA profiling data sets generated by the Mouse ENCODE project.
BioProject: PRJNA66167
Publication: PMID 25409824
Analysis date: n/a

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

KPNB1 modulates the Machado-Joseph disease protein ataxin-3 through activation of the mitochondrial protease CLPP.
Title: KPNB1 modulates the Machado-Joseph disease protein ataxin-3 through activation of the mitochondrial protease CLPP.
KPNb1 acts as a positive regulator in the NF-kappaB pathway to enhance palmitate-induced inflammation response.
Title: KPNβ1 promotes palmitate-induced insulin resistance via NF-κB signaling in hepatocytes.
KPNB1 may play a key role in the inflammation process of rheumatoid arthritis via STAT3 signal transduction pathway.
Title: The importin protein karyopherin-β1 regulates the mice fibroblast-like synoviocytes inflammation via facilitating nucleus transportation of STAT3 transcription factor.
The study revealed a regulatory role of the p97-Npl4-Ufd1 complex in regulating a partial degradation of the NF-kappaB subunit p100.
Title: The Transitional Endoplasmic Reticulum ATPase p97 Regulates the Alternative Nuclear Factor NF-κB Signaling via Partial Degradation of the NF-κB Subunit p100.
Ei24 can bind specifically to IMPbeta1 and IMPalpha2 to impede their normal role in nuclear import.
Title: The p53-induced factor Ei24 inhibits nuclear import through an importin β-binding-like domain.
Identification of a karyopherin beta1/beta2 proline-tyrosine nuclear localization signal in huntingtin protein.
Title: Identification of a karyopherin β1/β2 proline-tyrosine nuclear localization signal in huntingtin protein.
translation of Importin beta1 mRNA enables separation of cytoplasmic and nuclear transport functions of importins and is required for efficient retrograde signaling in injured axons.
Title: Subcellular knockout of importin β1 perturbs axonal retrograde signaling.
A critical function of RanBP2 is to capture recycling RanGTP-importin-beta complexes at cytoplasmic fibrils to allow for adequate classical nuclear localization signal-mediated cargo import.
Title: Ran-dependent docking of importin-beta to RanBP2/Nup358 filaments is essential for protein import and cell viability.
Ap4A hydrolase was found to translocate into the nuclei of mast cells following immunological activation; found its immunologically dependent association with importin beta
Title: Importin beta plays an essential role in the regulation of the LysRS-Ap(4)A pathway in immunologically activated mast cells.
Data show that MRTF-A contains an unusually long bipartite nuclear localisation signal embedded within the RPEL domain, that uses the importin (Imp)alpha/beta-dependent import pathway, and that import is inhibited by G-actin.
Title: An actin-regulated importin α/β-dependent extended bipartite NLS directs nuclear import of MRTF-A.

Submit: New GeneRIF Correction See all GeneRIFs (18)

Variation

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Alleles

Alleles of this type are documented at Mouse Genome Informatics (MGI)

Endonuclease-mediated (3)
Gene trapped (2) 1 citation
Targeted (2) 1 citation

Interactions

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

General gene information

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Markers

STS-H47054 (e-PCR)
- UniSTS:79462

RH141392 (e-PCR)
- UniSTS:223388

NoName (e-PCR)
- UniSTS:236719

RH140066 (e-PCR)
- UniSTS:222147

RH124909 (e-PCR)
- UniSTS:161731

UniSTS:225255 (e-PCR)
- UniSTS:225255

Gene Ontology Provided by MGI

Function	Evidence Code	Pubs
enables Hsp90 protein binding	IDA Inferred from Direct Assay more info	PubMed
enables enzyme binding	ISO Inferred from Sequence Orthology more info
enables importin-alpha family protein binding	IPI Inferred from Physical Interaction more info	PubMed
enables kinesin binding	ISO Inferred from Sequence Orthology more info
enables nuclear import signal receptor activity	IBA Inferred from Biological aspect of Ancestor more info
enables nuclear import signal receptor activity	IDA Inferred from Direct Assay more info	PubMed
enables nuclear import signal receptor activity	ISO Inferred from Sequence Orthology more info
enables nuclear localization sequence binding	IBA Inferred from Biological aspect of Ancestor more info
enables protein binding	IPI Inferred from Physical Interaction more info	PubMed
enables protein domain specific binding	IEA Inferred from Electronic Annotation more info
enables protein domain specific binding	ISO Inferred from Sequence Orthology more info
enables protein-containing complex binding	ISO Inferred from Sequence Orthology more info
enables small GTPase binding	IEA Inferred from Electronic Annotation more info

Process	Evidence Code	Pubs
involved_in NLS-bearing protein import into nucleus	IEA Inferred from Electronic Annotation more info
involved_in NLS-bearing protein import into nucleus	ISO Inferred from Sequence Orthology more info
involved_in RNA import into nucleus	ISO Inferred from Sequence Orthology more info
involved_in astral microtubule organization	IEA Inferred from Electronic Annotation more info
involved_in astral microtubule organization	ISO Inferred from Sequence Orthology more info
involved_in establishment of mitotic spindle localization	IEA Inferred from Electronic Annotation more info
involved_in establishment of mitotic spindle localization	ISO Inferred from Sequence Orthology more info
involved_in mitotic chromosome movement towards spindle pole	IEA Inferred from Electronic Annotation more info
involved_in mitotic chromosome movement towards spindle pole	ISO Inferred from Sequence Orthology more info
involved_in mitotic metaphase chromosome alignment	IEA Inferred from Electronic Annotation more info
involved_in mitotic metaphase chromosome alignment	ISO Inferred from Sequence Orthology more info
involved_in mitotic spindle assembly	IEA Inferred from Electronic Annotation more info
involved_in mitotic spindle assembly	ISO Inferred from Sequence Orthology more info
involved_in protein import into nucleus	IBA Inferred from Biological aspect of Ancestor more info
acts_upstream_of_or_within protein import into nucleus	IDA Inferred from Direct Assay more info	PubMed
acts_upstream_of_or_within protein import into nucleus	ISO Inferred from Sequence Orthology more info	PubMed
involved_in protein import into nucleus	ISO Inferred from Sequence Orthology more info
involved_in protein import into nucleus	ISS Inferred from Sequence or Structural Similarity more info
acts_upstream_of_or_within ribosomal protein import into nucleus	IDA Inferred from Direct Assay more info	PubMed
involved_in ribosomal protein import into nucleus	ISO Inferred from Sequence Orthology more info

Component	Evidence Code	Pubs
part_of NLS-dependent protein nuclear import complex	ISO Inferred from Sequence Orthology more info
is_active_in cytoplasm	IBA Inferred from Biological aspect of Ancestor more info
is_active_in cytoplasm	ISO Inferred from Sequence Orthology more info
located_in cytoplasmic stress granule	IDA Inferred from Direct Assay more info	PubMed
located_in cytosol	ISO Inferred from Sequence Orthology more info
located_in cytosol	NAS Non-traceable Author Statement more info	PubMed
located_in endoplasmic reticulum tubular network	IEA Inferred from Electronic Annotation more info
located_in endoplasmic reticulum tubular network	ISO Inferred from Sequence Orthology more info
located_in nuclear envelope	ISO Inferred from Sequence Orthology more info
located_in nuclear membrane	IEA Inferred from Electronic Annotation more info
located_in nuclear membrane	ISO Inferred from Sequence Orthology more info
part_of nuclear pore	ISO Inferred from Sequence Orthology more info
located_in nucleoplasm	ISO Inferred from Sequence Orthology more info
located_in nucleoplasm	NAS Non-traceable Author Statement more info	PubMed
is_active_in nucleus	IBA Inferred from Biological aspect of Ancestor more info
part_of protein-containing complex	IDA Inferred from Direct Assay more info	PubMed

General protein information

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Preferred Names: importin subunit beta-1

Names: PTAC97; SCG; importin beta; karyopherin (importin) beta 1; nuclear factor p97; pore targeting complex 97 kDa subunit

NCBI Reference Sequences (RefSeq)

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RefSeqs maintained independently of Annotated Genomes

These reference sequences exist independently of genome builds. Explain

These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.