1. Gene
  2. KPNA2 - karyopherin subunit alpha 2 Gene

KPNA2 - karyopherin subunit alpha 2 Gene

Homo sapiens

Also known as QIP2; RCH1; IPOA1; PTAC58; SRP1alpha; SRP1-alpha

Gene ID: 3838 | Gene type: protein coding

About KPNA2

Cytogenetic location: 17q24.2 Genomic coordinates (GRCh38): 17:68,035,735-68,046,854 (from NCBI)

This gene has 21 transcripts (splice variants), 131 orthologues and 6 paralogues. Broad expression in testis (RPKM 102.8), bone marrow (RPKM 35.5) and 20 other tissues.

Summary

The import of proteins into the nucleus is a process that involves at least 2 steps. The first is an energy-independent docking of the protein to the nuclear envelope and the second is an energy-dependent translocation through the nuclear pore complex. Imported proteins require a nuclear localization sequence (NLS) which generally consists of a short region of basic Amino acids or 2 such regions spaced about 10 Amino acids apart. Proteins involved in the first step of nuclear import have been identified in different systems. These include the Xenopus protein importin and its yeast homolog, SRP1 (a suppressor of certain temperature-sensitive mutations of RNA polymerase I in Saccharomyces cerevisiae), which bind to the NLS. KPNA2 protein interacts with the NLSs of DNA helicase Q1 and SV40 T antigen and may be involved in the nuclear transport of proteins. KPNA2 also may play a role in V(D)J recombination. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2016]

KPNA2 Products(2)

mRNA Protein Name
NM_001320611.2 NP_001307540.1 importin subunit alpha-1
NM_002266.4 NP_002257.1 importin subunit alpha-1
Gene Ontology
  • Molecular Function
  • Biological Process
  • Cellular Component
Molecular Function GO Annotation Evidence Reference Source
enables histone deacetylase binding IPI
IPI: Inferred from physical interaction
10869435 GOA
enables nuclear import signal receptor activity IDA
IDA: Inferred from direct assay
32290222 GOA
enables nuclear localization sequence binding IDA
IDA: Inferred from direct assay
17324944 GOA
enables protein binding IPI
IPI: Inferred from physical interaction
9168958 GOA
Biological Process GO Annotation Evidence Reference Source
involved in NLS-bearing protein import into nucleus IDA
IDA: Inferred from direct assay
17324944 GOA
acts upstream of or within entry of viral genome into host nucleus through nuclear pore complex via importin IMP
IMP: Inferred from mutant phenotype
28189564 GOA
involved in positive regulation of type I interferon production IDA
IDA: Inferred from direct assay
32130408 GOA
acts upstream of or within positive regulation of viral life cycle IMP
IMP: Inferred from mutant phenotype
28189564 GOA
involved in protein import into nucleus IDA
IDA: Inferred from direct assay
32290222 GOA
Cellular Component GO Annotation Evidence Reference Source
part of NLS-dependent protein nuclear import complex IPI
IPI: Inferred from physical interaction
10353244 GOA
is active in cytoplasm IDA
IDA: Inferred from direct assay
7604027 GOA
is active in nuclear membrane IDA
IDA: Inferred from direct assay
7635189 GOA
EXP: Inferred from Experiment IDA: Inferred from direct assay IPI: Inferred from physical interaction IMP: Inferred from mutant phenotype IGI: Inferred from genetic interaction IEP: Inferred from expression pattern

KPNA2 Protein Structure

IBB

IBB: Importin beta binding domain (6 - 99)

Arm

Arm: Armadillo/beta-catenin-like repeat (109 - 149)

Arm

Arm: Armadillo/beta-catenin-like repeat (151 - 190)

Arm

Arm: Armadillo/beta-catenin-like repeat (196 - 238)

Arm

Arm: Armadillo/beta-catenin-like repeat (249 - 280)

Arm

Arm: Armadillo/beta-catenin-like repeat (284 - 321)

Arm

Arm: Armadillo/beta-catenin-like repeat (324 - 364)

Arm

Arm: Armadillo/beta-catenin-like repeat (367 - 405)

Arm

Arm: Armadillo/beta-catenin-like repeat (410 - 447)

  • 0
  • 100
  • 200
  • 300
  • 400
  • 500
  • 529 a.a.
Protein Preferred Names Protein Names

importin subunit alpha-1

RAG cohort protein 1

KPNA2 Protein-protein interaction Information

Type
Protein Name Protein ID Interactor Interactor Species Interactor ID Detection Method Reference
Intra
KPNA2 P52292 PNMA5 Homo sapiens Q96PV4 25416956
Intra
KPNA2 P52292 PNMA5 Homo sapiens Q96PV4 25416956
Intra
KPNA2 P52292 FLJ13057 Homo sapiens Q53SE7 25416956
Intra
KPNA2 P52292 NECAB2 Homo sapiens Q7Z6G3-2 25416956
Intra
KPNA2 P52292 NUTM1 Homo sapiens Q86Y26 25416956
Intra
KPNA2 P52292 NUTM1 Homo sapiens Q86Y26 25416956
Intra
KPNA2 P52292 NUTM1 Homo sapiens Q86Y26 25416956
Intra
KPNA2 P52292 MORF4L1 Homo sapiens Q9UBU8-2 32296183
Intra
KPNA2 P52292 MORF4L1 Homo sapiens Q9UBU8-2 32296183
Cross
KPNA2 P52292 E6 Human papillomavirus P03126
SLC
22898364
Intra
KPNA2 P52292 KPNB1 Homo sapiens Q14974-1
GMS
19668212
Intra
KPNA2 P52292 KPNB1 Homo sapiens Q14974-1 19668212
Intra
KPNA2 P52292 KPNB1 Homo sapiens Q14974-1 19668212
Intra
KPNA2 P52292 TRIM54 Homo sapiens Q9BYV2 25416956
Intra
KPNA2 P52292 NUP50 Homo sapiens Q9UKX7 33961781
Intra
KPNA2 P52292 NUP50 Homo sapiens Q9UKX7 32296183
Intra
KPNA2 P52292 NUP50 Homo sapiens Q9UKX7 25416956
Intra
KPNA2 P52292 NUP50 Homo sapiens Q9UKX7 35271311
Intra
KPNA2 P52292 NUP50 Homo sapiens Q9UKX7 25416956
Cross
KPNA2 P52292 ns6_sars2 SARS-CoV-2 P0DTC6 32979938
Cross
KPNA2 P52292 a0a3g5biz0_sars SARS coronavirus Urbani A0A3G5BIZ0
IF
17596301
Cross
KPNA2 P52292 a0a3g5biz0_sars SARS coronavirus Urbani A0A3G5BIZ0 17596301
Intra
KPNA2 P52292 IRF3 Homo sapiens Q14653 34950606
Intra
KPNA2 P52292 RECQL Homo sapiens P46063 9168958
Intra
KPNA2 P52292 RECQL Homo sapiens P46063
Y2H
9168958
Intra
KPNA2 P52292 KPNB1 Homo sapiens Q14974 33961781
Intra
KPNA2 P52292 KPNB1 Homo sapiens Q14974 28514442
Intra
KPNA2 P52292 KPNB1 Homo sapiens Q14974 11024021
Intra
KPNA2 P52292 KPNB1 Homo sapiens Q14974 17596301
Intra
KPNA2 P52292 KPNB1 Homo sapiens Q14974 35271311
Intra
KPNA2 P52292 NUP62 Homo sapiens P37198 25416956
Intra
KPNA2 P52292 NUP62 Homo sapiens P37198 25416956
Intra
KPNA2 P52292 BRCA1 Homo sapiens P38398
Y2H
9497340
Intra
KPNA2 P52292 S100A6 Homo sapiens P06703 20965181
Intra
KPNA2 P52292 HNRNPC Homo sapiens P07910 25416956
Intra
KPNA2 P52292 HNRNPC Homo sapiens P07910
Y2H
21988832
Intra
KPNA2 P52292 HNRNPC Homo sapiens P07910 25416956
Intra
KPNA2 P52292 DCPS Homo sapiens Q96C86 32296183
Intra
KPNA2 P52292 NMNAT1 Homo sapiens Q9HAN9 31515488
Intra
KPNA2 P52292 NMNAT1 Homo sapiens Q9HAN9 25416956
Intra
KPNA2 P52292 NMNAT1 Homo sapiens Q9HAN9 32296183
Cross
KPNA2 P52292 lt_sv40 Simian virus 40 P03070 20701745
Intra
KPNA2 P52292 MDFI Homo sapiens Q99750 25416956
Cross
KPNA2 P52292 L2 Human papillomavirus P03107 15507604
Cross
KPNA2 P52292 L1 Human papillomavirus P03101 15507604
Intra
KPNA2 P52292 RBPMS Homo sapiens Q93062 25416956
Intra
KPNA2 P52292 RBPMS Homo sapiens Q93062 25416956
Intra
KPNA2 P52292 HMG20A Homo sapiens Q9NP66 25416956
Intra
KPNA2 P52292 HMG20A Homo sapiens Q9NP66 25416956
Intra
KPNA2 P52292 LZTS2 Homo sapiens Q9BRK4 25416956
Intra
KPNA2 P52292 TADA2A Homo sapiens O75478 25416956
Intra
KPNA2 P52292 TADA2A Homo sapiens O75478 25416956
Intra
KPNA2 P52292 MLH1 Homo sapiens P40692 31515488
Intra
KPNA2 P52292 MLH1 Homo sapiens P40692 25416956
Intra
KPNA2 P52292 MLH1 Homo sapiens P40692 29892012
Intra
KPNA2 P52292 SF1 Homo sapiens Q15637 26420826
Intra
KPNA2 P52292 SERTAD3 Homo sapiens Q9UJW9 25416956
Intra
KPNA2 P52292 SERTAD3 Homo sapiens Q9UJW9 25416956
Intra
KPNA2 P52292 SERTAD3 Homo sapiens Q9UJW9 25416956
Intra
KPNA2 P52292 S100A2 Homo sapiens P29034 20965181
Intra
KPNA2 P52292 INO80E Homo sapiens Q8NBZ0 25416956
Intra
KPNA2 P52292 INO80E Homo sapiens Q8NBZ0 25416956
Intra
KPNA2 P52292 JUN Homo sapiens P05412 21988832
Intra
KPNA2 P52292 RNMT Homo sapiens O43148 35271311
Cross
KPNA2 P52292 npm2.L Crosspus laevis Q6GQG6 20965181
Cross: Cross-species interaction Intra: Intraspecies interaction

Recombinant KPNA2 Proteins

Cat. No. Product Name Accession Purity
HY-P70371 Importin alpha-1/KPNA2 Protein, Human (His) P52292 (M1-F529) ≥95%

KPNA2 Antibodies

Cat. No. Product Name Application Reactivity
HY-P81670 KPNA2 Antibody (YA1415) WB, FC Human, Mouse, Rat

Related Diseases

Diseases Alias
Venezuelan Equine Encephalitis

Venezuelan Equine Fever

Venezuelan Equine Encephalomyelitis

Encephalitis Venezuelan Equine

Encephalomyelitis, Venezuelan Equine

Venezuelan Encephalitis

Disorder Due To Venezuelan Equine Encephalitis Virus

Venezuelan Equine Encephalitis Virus Infection

Venezuelan Equine Encephalomyelitis Virus Disease

Encephalitis

Mumps Encephalitis

Mumps Meningoencephalitis

Herpes Simplex Neuroinvasion

Herpetic Encephalitis

Herpetic Encephalopathy

Herpes Simplex Encephalitis, Myelitis Or Encephalomyelitis

Encephalitis Due To Herpesviridae

Encephalitis Due To Herpesvirus

Herpes Encephalitis

Herpesviral Encephalitis

Herpes Simplex Encephalitis

Hsv - [Herpes Simplex Virus] Encephalitis

Herpes Virus Encephalitis

Simian B Disease

Simian B Disorder

Encephalitis Nec

Idiopathic Encephalitis

Nijmegen Breakage Syndrome

Berlin Breakage Syndrome

NBS

Microcephaly, Normal Intelligence And Immunodeficiency

Ataxia-Telangiectasia Variant

Ataxia-Telangiectasia Variant V1

Seemanova Syndrome Ii

Immunodeficiency-Microcephaly-Chromosomal Instability Syndrome

Seemanova Syndrome Type 2

At-V1

Microcephaly With Normal Intelligence, Immunodeficiency, And Lymphoreticular Malignancies

Nonsyndromal Microcephaly, Autosomal Recessive, With Normal Intelligence

Immunodeficiency, Microcephaly, And Chromosomal Instability

Microcephaly-Immunodeficiency-Lymphoreticuloma Syndrome

Microcephaly Immunodeficiency Lymphoreticuloma

Microcephaly With Normal Intelligence Immunodeficiency And Lymphoreticular Malignancies

Nonsyndromal Microcephaly Autosomal Recessive With Normal Intelligence

Seemanova Syndrome 2

Ataxia-Telangiectasia Variant 1

Seemanova Syndrome

At V1

Ataxia-Telangiectasia, Variant 1

Microcephaly-Immunodeficiency-Lymphoid Malignancy Syndrome

V-At

Ataxia Telangiectasia Variant V1

Influenza

Flu

Influenza With Non-Respiratory Manifestation

Influenza With Other Manifestations

Influenza, Human

Influenza, Susceptibility To

Seasonal Influenza, Virus Identified

Ovarian Endodermal Sinus Tumor

Endodermal Sinus Tumor Of Ovary

Ovarian Yolk Sac Tumor

Endodermal Sinus Tumour Of Ovary

Ovarian Endodermal Sinus Tumour

Ovarian Yolk Sac Tumour

Ovarian Primitive Germ Cell Tumor
Ovarian Dysgenesis 2

Premature Ovarian Failure 4

ODG2

Ovarian Dysgenesis, Hypergonadotropic, X-Linked

Ovarian Failure, Hypergonadotropic, Due To Ovarian Dysgenesis

Ovarian Failure Hypergonadotropic Due To Ovarian Dysgenesis

X-Linked Hypergonadotropic Ovarian Dysgenesis

POF4

Dysgenesis, Ovarian, Type 2

Diseases Alias
Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Orthologs Information

Species Symbol Source ID
Felis catus KPNA2 VGNC VGNC:97476
Bos taurus KPNA2 VGNC VGNC:30701
Rattus norvegicus KPNA2 RGD RGD:621419
Mus musculus KPNA2 MGD MGI:103561
Others KPNA2 NCBI