Date published: 2026-4-5

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CTF18 Antibody (F-1): sc-374632

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Datasheets
  • CTF18 Antibody (F-1) is a mouse monoclonal IgG2a κ CTF18 antibody, cited in 1 publications, provided at 200 µg/ml
  • raised against amino acids 887-975 mapping at the C-terminal of CTF18 of human origin
  • CTF18 Antibody (F-1) is recommended for detection of CTF18 of mouse, rat and human origin by WB, IP, IF and ELISA
  • Anti-CTF18 Antibody (F-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-IgGκ BP-HRP is the preferred secondary detection reagent for CTF18 Antibody (F-1) for WB applications. This reagent is now offered in a bundle with CTF18 Antibody (F-1) (see ordering information below). For additional m-IgGκ BP conjugates see our complete list of Mouse IgG Binding Proteins.
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CTF18 Antibody (F-1) is a mouse monoclonal IgG2a kappa light chain antibody that detects CTF18 protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). CTF18 Antibody (F-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. CTF18, also known as chromosome transmission fidelity factor 18 homolog, is a crucial 975 amino acid protein encoded by the human gene CHTF18. CTF18 plays a significant role in maintaining genomic stability by participating in the DNA replication block checkpoint, functioning redundantly with Rad24. CTF18 is part of a larger replication factor C (RFC) complex, which is a seven-subunit structure that includes four small RFC subunits along with CTF18, DCC1, and CTF8. This complex is essential for loading the replication clamp, proliferating cell nuclear antigen (PCNA), onto DNA, thereby facilitating DNA replication and repair processes. Notably, the regulated unloading of PCNA during DNA replication′s progression and termination is not a function attributed to the CTF18-RFC complex, highlighting CTF18′s specialized role in ensuring the fidelity of chromosome transmission during cell division.

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

CTF18 Antibody (F-1) References:

  1. Chl12 (Ctf18) forms a novel replication factor C-related complex and functions redundantly with Rad24 in the DNA replication checkpoint pathway.  |  Naiki, T., et al. 2001. Mol Cell Biol. 21: 5838-45. PMID: 11486023
  2. A proteomics approach to identify proliferating cell nuclear antigen (PCNA)-binding proteins in human cell lysates. Identification of the human CHL12/RFCs2-5 complex as a novel PCNA-binding protein.  |  Ohta, S., et al. 2002. J Biol Chem. 277: 40362-7. PMID: 12171929
  3. Cloning and characterization of hCTF18, hCTF8, and hDCC1. Human homologs of a Saccharomyces cerevisiae complex involved in sister chromatid cohesion establishment.  |  Merkle, CJ., et al. 2003. J Biol Chem. 278: 30051-6. PMID: 12766176
  4. The alternative Ctf18-Dcc1-Ctf8-replication factor C complex required for sister chromatid cohesion loads proliferating cell nuclear antigen onto DNA.  |  Bermudez, VP., et al. 2003. Proc Natl Acad Sci U S A. 100: 10237-42. PMID: 12930902
  5. Elg1 forms an alternative PCNA-interacting RFC complex required to maintain genome stability.  |  Kanellis, P., et al. 2003. Curr Biol. 13: 1583-95. PMID: 13678589
  6. The INO80 chromatin remodeling complex functions in sister chromatid cohesion.  |  Ogiwara, H., et al. 2007. Cell Cycle. 6: 1090-5. PMID: 17471029

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CTF18 Antibody (F-1)

sc-374632
200 µg/ml
$322.00

CTF18 Antibody (F-1): m-IgGκ BP-HRP Bundle

sc-522797
200 µg Ab, 40 µg BP
$361.00

CTF18 Antibody (F-1) AC

sc-374632 AC
500 µg/ml, 25% agarose
$424.00

CTF18 Antibody (F-1) HRP

sc-374632 HRP
200 µg/ml
$322.00

CTF18 Antibody (F-1) FITC

sc-374632 FITC
200 µg/ml
$336.00

CTF18 Antibody (F-1) PE

sc-374632 PE
200 µg/ml
$349.00

CTF18 Antibody (F-1) Alexa Fluor® 488

sc-374632 AF488
200 µg/ml
$364.00

CTF18 Antibody (F-1) Alexa Fluor® 546

sc-374632 AF546
200 µg/ml
$364.00

CTF18 Antibody (F-1) Alexa Fluor® 594

sc-374632 AF594
200 µg/ml
$364.00

CTF18 Antibody (F-1) Alexa Fluor® 647

sc-374632 AF647
200 µg/ml
$364.00

CTF18 Antibody (F-1) Alexa Fluor® 680

sc-374632 AF680
200 µg/ml
$364.00

CTF18 Antibody (F-1) Alexa Fluor® 790

sc-374632 AF790
200 µg/ml
$364.00

What is the recommended fixation method for immunofluorescence staining with CTF18 (F-1): sc-374632 monoclonal antibody?

Asked by: jerojero
Thank you for your inquiry. We recommend fixing cells for 5 minutes in -10°C methanol and allowing to air dry. The full protocol can be viewed here: https://www.scbt.com/scbt/resources/protocols/immunofluorescence-cell-staining
Answered by: Technical Support
Date published: 2017-02-27
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Rated 5 out of 5 by from Western in Mouse Embryonic FibroblastsWorks for MEF lysates. Used 40 ug lysate + 1:500 dilution antibody for 2 hours at RT
Date published: 2017-11-10
Rated 5 out of 5 by from Beautiful immunofluorescence nuclear stainingBeautiful immunofluorescence nuclear staining in methanol-fixed HeLa cells. -SCBT QC
Date published: 2015-05-04
Rated 5 out of 5 by from Produced positive Western Blot data of CTF18Produced positive Western Blot data of CTF18 expression in HEL 92. -SCBT QC
Date published: 2013-05-27
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CTF18 Antibody (F-1) is rated 5.0 out of 5 by 3.
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