Date published: 2025-10-8

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CRM1 Antibody (C-1): sc-74454

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Datasheets
  • CRM1 Antibody (C-1) is a mouse monoclonal IgG1 κ CRM1 antibody, cited in 46 publications, provided at 200 µg/ml
  • raised against amino acids 772-1071 of CRM1 of human origin
  • CRM1 Antibody (C-1) is recommended for detection of CRM1 of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-CRM1 Antibody (C-1) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP, m-IgG1 BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for CRM1 Antibody (C-1) for WB and IHC(P) applications. These reagents are now offered in bundles with CRM1 Antibody (C-1) (see ordering information below).

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CRM1 Antibody (C-1) is a mouse monoclonal IgG1 kappa light chain antibody that detects CRM1 protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry, and enzyme-linked immunosorbent assay (ELISA). Anti-CRM1 antibody (C-1) is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. CRM1, also known as exportin 1, plays a crucial role in nuclear export of proteins and RNA, particularly those containing a nuclear export signal (NES). CRM1′s function is vital for maintaining cellular homeostasis and regulating gene expression, as CRM1 facilitates transport of essential molecules out of the nucleus, thereby influencing various cellular processes such as signal transduction and stress responses. CRM1′s interaction with specific leucine-rich proteins underscores its importance in selective export mechanism, which is essential for proper cellular function. Understanding CRM1′s dynamics and interactions can provide insights into regulation of gene expression and potential implications in diseases where nuclear transport is disrupted.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

CRM1 Antibody (C-1) References:

  1. CRM1 Inhibitors for Antiviral Therapy.  |  Mathew, C. and Ghildyal, R. 2017. Front Microbiol. 8: 1171. PMID: 28702009
  2. CRM1-spike-mediated nuclear export of hepatitis B virus encapsidated viral RNA.  |  Yang, CC., et al. 2022. Cell Rep. 38: 110472. PMID: 35263598
  3. Phase-separated nuclear bodies of nucleoporin fusions promote condensation of MLL1/CRM1 and rearrangement of 3D genome structure.  |  Oka, M., et al. 2023. Cell Rep. 42: 112884. PMID: 37516964
  4. 4-Octyl itaconate reduces influenza A replication by targeting the nuclear export protein CRM1.  |  Ribó-Molina, P., et al. 2023. J Virol. 97: e0132523. PMID: 37823646
  5. Macromolecular interactions in the nucleoporin p62 complex of rat nuclear pores: binding of nucleoporin p54 to the rod domain of p62.  |  Buss, F. and Stewart, M. 1995. J Cell Biol. 128: 251-61. PMID: 7531196
  6. Direct interaction of nucleoporin p62 with mRNA during its export from the nucleus.  |  Dargemont, C., et al. 1995. J Cell Sci. 108 (Pt 1): 257-63. PMID: 7738103
  7. Identification of NTF2, a cytosolic factor for nuclear import that interacts with nuclear pore complex protein p62.  |  Paschal, BM. and Gerace, L. 1995. J Cell Biol. 129: 925-37. PMID: 7744965
  8. Ran binding domains promote the interaction of Ran with p97/beta-karyopherin, linking the docking and translocation steps of nuclear import.  |  Lounsbury, KM., et al. 1996. J Biol Chem. 271: 2357-60. PMID: 8576188
  9. The binding site of karyopherin alpha for karyopherin beta overlaps with a nuclear localization sequence.  |  Moroianu, J., et al. 1996. Proc Natl Acad Sci U S A. 93: 6572-6. PMID: 8692858
  10. Nuclear protein import: Ran-GTP dissociates the karyopherin alphabeta heterodimer by displacing alpha from an overlapping binding site on beta.  |  Moroianu, J., et al. 1996. Proc Natl Acad Sci U S A. 93: 7059-62. PMID: 8692944
  11. Nuclear export receptors: from importin to exportin.  |  Ullman, KS., et al. 1997. Cell. 90: 967-70. PMID: 9323123
  12. CRM1 is an export receptor for leucine-rich nuclear export signals.  |  Fornerod, M., et al. 1997. Cell. 90: 1051-60. PMID: 9323133

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CRM1 Antibody (C-1)

sc-74454
200 µg/ml
$316.00

CRM1 Antibody (C-1): m-IgG Fc BP-HRP Bundle

sc-528668
200 µg Ab; 10 µg BP
$354.00

CRM1 Antibody (C-1): m-IgGκ BP-HRP Bundle

sc-521115
200 µg Ab, 40 µg BP
$354.00

CRM1 Antibody (C-1): m-IgG1 BP-HRP Bundle

sc-543060
200 µg Ab; 20 µg BP
$354.00

CRM1 Antibody (C-1) AC

sc-74454 AC
500 µg/ml, 25% agarose
$416.00

CRM1 Antibody (C-1) HRP

sc-74454 HRP
200 µg/ml
$316.00

CRM1 Antibody (C-1) FITC

sc-74454 FITC
200 µg/ml
$330.00

CRM1 Antibody (C-1) PE

sc-74454 PE
200 µg/ml
$343.00

CRM1 Antibody (C-1) Alexa Fluor® 488

sc-74454 AF488
200 µg/ml
$357.00

CRM1 Antibody (C-1) Alexa Fluor® 546

sc-74454 AF546
200 µg/ml
$357.00

CRM1 Antibody (C-1) Alexa Fluor® 594

sc-74454 AF594
200 µg/ml
$357.00

CRM1 Antibody (C-1) Alexa Fluor® 647

sc-74454 AF647
200 µg/ml
$357.00

CRM1 Antibody (C-1) Alexa Fluor® 680

sc-74454 AF680
200 µg/ml
$357.00

CRM1 Antibody (C-1) Alexa Fluor® 790

sc-74454 AF790
200 µg/ml
$357.00

what are the dilutions that I should use for CRM1 in Immunofluorescence, 1:50 or 1:100? And for WB? what is the dilution to get a good signal?

Asked by: IF AB
Thank you for your question. For using this antibody in immunofluorescence we recommend a dilution range of 1:50-1:500, with a starting dilution of 1:50. For western blots, it is 1:100-1:1000 with a recommended starting dilution of 1:100.
Answered by: Tech Support Europe
Date published: 2021-03-08

Hi, I am looking for CRM1 antibody to use it for IHC-p on FFPE tissues from colorectal cancer patients. furthermore, I want to use it for IF and WB to detect the efficacy of CRM1 inhibitor, so please what the best CRM1 antibodies you can recommend me ?

Asked by: Ali Mohammed
Thank you for your question. This mouse monoclonal, CRM1 Antibody (C-1): sc-74454, is an excellent choice for IHC(P) on FFPE human tissues. Please note that this antibody is intended for research use only. It is not recommended for diagnostic use (or with patients). This antibody is also a good choice for IF and WB.
Answered by: Technical Support
Date published: 2017-03-23

Can you recommend a positive control to use with CRM1 (C-1): sc-74454 monoclonal antibody for Western blot?

Asked by: cjMara
We recommend HeLa (sc-2121), A-431 (sc-2123), K-562 (sc-2130) or Jurkat (sc-2132) nuclear extracts to use as positive controls as we have great Western blot data showing specific detection of CRM1 in these cell lines.
Answered by: Technical Support 14
Date published: 2017-01-22

I am using the LiCor/Odyssey system. Which secondary antibody do you recommend using with CRM1 (C-1): sc-74454?

Asked by: jenni
We recommend using one of our our exclusive Mouse IgG Binding Proteins (m-IgGκ) conjugated to CFL 680 or CFL 790. They are suitable for use with Near-Infrared (NIR) detection systems, such as LI-COR/Odyssey and other comparable systems. A complete list of available binding proteins is available on our website here: https://www.scbt.com/scbt/browse/support-products-mouse-igg-binding-proteins/_/N-ecrety
Answered by: Technical Support 9
Date published: 2017-01-12
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Rated 5 out of 5 by from Good!Good antibody for WB. We use RPMI8226 human cancer cell lines.
Date published: 2021-02-10
Rated 5 out of 5 by from 功能很出色实验室购买了1个月了,特意用了几次再来评论,还不错。待年后根据实验情况再买....................
Date published: 2020-01-03
Rated 5 out of 5 by from 功能很出色我一个月前购买的,用的数次还行。以后试验进度和设计情况再继续购买,商家很好。。。。。。。。。。。。。。
Date published: 2020-01-03
Rated 5 out of 5 by from Great AntibodyIts a great antibody, it has been very reliable for my western blots
Date published: 2018-08-03
Rated 5 out of 5 by from Works great for WBUsed at 1:100 dilution in Odyssey blocking buffer with Licor Odyssey clx. Bend ~110 KDa was observed in MCF10AT cell lysate.
Date published: 2018-02-19
Rated 5 out of 5 by from wb have a specific bandIn mouse ESC,wb have a specific band about 135KD we dilute it 1:200
Date published: 2018-01-08
Rated 5 out of 5 by from 很好用申请的小鼠,CRM1试用装,1:2000稀释,连续用了几天,条带清晰,非常好用,值得购买,,,,,,,,
Date published: 2017-11-27
Rated 5 out of 5 by from Excellent Ab!Very strong and specific antibody in western. Even works for IP
Date published: 2017-11-21
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CRM1 Antibody (C-1) is rated 4.9 out of 5 by 23.
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