Mouse Anti-KPNB1 Recombinant Antibody (CBYY-I0775) (CBMAB-I1719-YY)

Name: Mouse Anti-KPNB1 Recombinant Antibody (CBYY-I0775)
SKU: CBMAB-I1719-YY
Rating: 5 (1 reviews)

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Datasheet

SDS

Request for COA

Datasheet Target References Q & As Review & reward Protocols Associated Products

Basic Information

Host Animal

Mouse

Clone

CBYY-I0775

Application

WB, ICC

Specificity

Human, Mouse, Rat

Antibody Isotype

IgG2b

Application Notes

The COA includes recommended starting dilutions, optimal dilutions should be determined by the end user.

Formulations & Storage [For reference only, actual COA shall prevail!]

Format

Lyophilized

Buffer

0.2 μm filtered solution in with Trehalose

Concentration

LYOPH

Storage

Store at +4°C short term (1-2 weeks). Aliquot and store at -20°C long term. Avoid repeated freeze/thaw cycles.

More Infomation

Target

Full Name

karyopherin (importin) beta 1

Introduction

Nucleocytoplasmic transport, a signal- and energy-dependent process, takes place through nuclear pore complexes embedded in the nuclear envelope. The import of proteins containing a nuclear localization signal (NLS) requires the NLS import receptor, a heterodimer of importin alpha and beta subunits also known as karyopherins. Importin alpha binds the NLS-containing cargo in the cytoplasm and importin beta docks the complex at the cytoplasmic side of the nuclear pore complex. In the presence of nucleoside triphosphates and the small GTP binding protein Ran, the complex moves into the nuclear pore complex and the importin subunits dissociate. Importin alpha enters the nucleoplasm with its passenger protein and importin beta remains at the pore. Interactions between importin beta and the FG repeats of nucleoporins are essential in translocation through the pore complex. The protein encoded by this gene is a member of the importin beta family. Two transcript variants encoding different isoforms have been found for this gene.

Entrez Gene ID

Human	3837
Mouse	16211
Rat	24917

UniProt ID

Human	Q14974
Mouse	P70168
Rat	P52296

Alternative Names

Karyopherin Subunit Beta 1; Pore Targeting Complex 97 KDa Subunit; Karyopherin (Importin) Beta 1; Nuclear Factor P97; Importin 1; PTAC97; NTF97; Karyopherin Subunit Beta-1; Importin Beta-1 Subunit;

Function

Functions in nuclear protein import, either in association with an adapter protein, like an importin-alpha subunit, which binds to nuclear localization signals (NLS) in cargo substrates, or by acting as autonomous nuclear transport receptor. Acting autonomously, serves itself as NLS receptor. 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. Mediates autonomously the nuclear import of ribosomal proteins RPL23A, RPS7 and RPL5. Binds to a beta-like import receptor binding (BIB) domain of RPL23A. In association with IPO7 mediates the nuclear import of H1 histone. In vitro, mediates nuclear import of H2A, H2B, H3 and H4 histones. In case of HIV-1 infection, binds and mediates the nuclear import of HIV-1 Rev. Imports SNAI1 and PRKCI into the nucleus.

Biological Process

Astral microtubule organizationManual Assertion Based On ExperimentIMP:UniProtKB
Establishment of mitotic spindle localizationManual Assertion Based On ExperimentIMP:UniProtKB
Establishment of protein localizationManual Assertion Based On ExperimentIMP:UniProtKB
Mitotic chromosome movement towards spindle poleManual Assertion Based On ExperimentIMP:UniProtKB
Mitotic metaphase plate congressionManual Assertion Based On ExperimentIMP:UniProtKB
Mitotic spindle assemblyManual Assertion Based On ExperimentIMP:UniProtKB
NLS-bearing protein import into nucleusManual Assertion Based On ExperimentTAS:ProtInc
Protein import into nucleusManual Assertion Based On ExperimentIDA:UniProtKB
Ran protein signal transductionManual Assertion Based On ExperimentIMP:GO_CentralRibosomal protein import into nucleusManual Assertion Based On ExperimentIDA:UniProtKB
RNA import into nucleusManual Assertion Based On ExperimentIDA:ComplexPortal

Cellular Location

Cytoplasm
Nucleus envelope

PTM

Mono-ADP-ribosylated by PARP16.

Shi, Q., Lin, M., Cheng, X., Zhang, Z., Deng, S., Lang, K., ... & Sun, X. (2023). KPNB1-mediated nuclear import in cancer. European Journal of Pharmacology, 175925.

Ye, Z., Yang, Y., Wei, Y., Li, L., Wang, X., & Zhang, J. (2022). PCDH1 promotes progression of pancreatic ductal adenocarcinoma via activation of NF-κB signalling by interacting with KPNB1. Cell Death & Disease, 13(7), 633.

Du, W., Zhu, J., Zeng, Y., Liu, T., Zhang, Y., Cai, T., ... & Huang, J. A. (2021). KPNB1-mediated nuclear translocation of PD-L1 promotes non-small cell lung cancer cell proliferation via the Gas6/MerTK signaling pathway. Cell Death & Differentiation, 28(4), 1284-1300.

Cao, Y., Wang, F., Chen, Y., Wang, Y., Song, H., & Long, J. (2021). CircPITX1 regulates proliferation, angiogenesis, migration, invasion, and cell cycle of human glioblastoma cells by targeting miR-584-5p/KPNB1 Axis. Journal of Molecular Neuroscience, 71, 1683-1695.

Zhu, Z. C., Liu, J. W., Yang, C., Li, M. J., Wu, R. J., & Xiong, Z. Q. (2019). Targeting KPNB1 overcomes TRAIL resistance by regulating DR5, Mcl-1 and FLIP in glioblastoma cells. Cell death & disease, 10(2), 118.

Wang, T., Huang, Z., Huang, N., Peng, Y., Gao, M., Wang, X., & Feng, W. (2019). Inhibition of KPNB1 inhibits proliferation and promotes apoptosis of chronic myeloid leukemia cells through regulation of E2F1. OncoTargets and therapy, 12, 10455.

Park, C. H., Ham, S. W., Shin, H., & Oh, K. S. (2019). Inhibition of kPNB1 and NUPR1 binding increase the anti-cancer drug sensitivity. Cancer Research, 79(13_Supplement), 5138-5138.

Zhu, Z. C., Liu, J. W., Li, K., Zheng, J., & Xiong, Z. Q. (2018). KPNB1 inhibition disrupts proteostasis and triggers unfolded protein response-mediated apoptosis in glioblastoma cells. Oncogene, 37(22), 2936-2952.

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Please try the standard protocols which include: protocols, troubleshooting and guide.

Enzyme-linked Immunosorbent Assay (ELISA)
Flow Cytometry
Immunofluorescence (IF)
Immunohistochemistry (IHC)
Immunoprecipitation (IP)
Western Blot (WB)
Enzyme-Linked Immunospot (ELISpot)
Proteogenomics
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Isotype control

For research use only. Not intended for any clinical use.

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