Date published: 2025-10-8

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CBS Antibody (B-4): sc-133154

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Datasheets
  • CBS Antibody (B-4) is a mouse monoclonal IgG1 κ CBS antibody, cited in 27 publications, provided at 200 µg/ml
  • raised against amino acids 101-400 mapping within an internal region of CBS of human origin
  • CBS Antibody (B-4) is recommended for detection of CBS of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-CBS Antibody (B-4) 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 CBS Antibody (B-4) for WB and IHC(P) applications. These reagents are now offered in bundles with CBS Antibody (B-4) (see ordering information below).

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CBS Antibody (B-4) is a mouse monoclonal IgG1 kappa light chain antibody that detects CBS protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry, and enzyme-linked immunosorbent assay (ELISA). CBS (B-4) antibody 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. Cystathionine b-synthase (CBS) protein is predominantly expressed in the human liver and pancreas, playing a crucial role in homocysteine metabolism by catalyzing homocysteine conversion to cystathionine in the first step of transulfuration. CBS protein contributes to cysteine synthesis, an amino acid essential for protein synthesis and various metabolic pathways. CBS activity is influenced by allosteric activation from adenosyl-methionine, highlighting CBS protein′s importance in maintaining amino acid balance and preventing toxic accumulation of homocysteine. CBS deficiencies can lead to homocystinuria, a genetic disorder resulting in severe health issues, including cardiovascular problems, cognitive impairments, and skeletal abnormalities, underscoring CBS protein′s significance in human health.

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

CBS Antibody (B-4) References:

  1. [Genetic mutations of homocysteine metabolism related enzymes in patients with ischemic stroke].  |  Wu, JM., et al. 2004. Yi Chuan. 26: 298-302. PMID: 15640007
  2. The presence of a transsulfuration pathway in the lens: a new oxidative stress defense system.  |  Persa, C., et al. 2004. Exp Eye Res. 79: 875-86. PMID: 15642325
  3. Defective remethylation of homocysteine is related to decreased synthesis of coenzymes B2 in thyroidectomized rats.  |  Ayav, A., et al. 2005. Amino Acids. 28: 37-43. PMID: 15645165
  4. Role of hydrogen sulfide in acute pancreatitis and associated lung injury.  |  Bhatia, M., et al. 2005. FASEB J. 19: 623-5. PMID: 15671155
  5. [Association of plasma homocysteine and cystathionine beta-synthase polymorphism with cerebral thrombosis].  |  Shao, Y., et al. 2005. Di Yi Jun Yi Da Xue Xue Bao. 25: 351-3. PMID: 15772012
  6. Inhibitory effect of copper on cystathionine beta-synthase activity: protective effect of an analog of the human albumin N-terminus.  |  Bar-Or, D., et al. 2005. Protein Pept Lett. 12: 271-3. PMID: 15777277
  7. Unique structure and function of chloride transporting CLC proteins.  |  Pusch, M. and Jentsch, TJ. 2005. IEEE Trans Nanobioscience. 4: 49-57. PMID: 15816171
  8. Hyperhomocysteinemia and atherosclerosis.  |  Yang, F., et al. 2005. Sheng Li Xue Bao. 57: 103-14. PMID: 15830093
  9. Exosomal lncRNA-H19 promotes osteogenesis and angiogenesis through mediating Angpt1/Tie2-NO signaling in CBS-heterozygous mice.  |  Behera, J., et al. 2021. Theranostics. 11: 7715-7734. PMID: 34335960
  10. Hypoxia inducible lncRNA-CBSLR modulates ferroptosis through m6A-YTHDF2-dependent modulation of CBS in gastric cancer.  |  Yang, H., et al. 2022. J Adv Res. 37: 91-106. PMID: 35499052
  11. Apolipoprotein C1 promotes glioblastoma tumorigenesis by reducing KEAP1/NRF2 and CBS-regulated ferroptosis.  |  Zheng, XJ., et al. 2022. Acta Pharmacol Sin. 43: 2977-2992. PMID: 35581292
  12. ATF3-CBS signaling axis coordinates ferroptosis and tumorigenesis in colorectal cancer.  |  Liu, J., et al. 2024. Redox Biol. 71: 103118. PMID: 38490069

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CBS Antibody (B-4)

sc-133154
200 µg/ml
$316.00

CBS Antibody (B-4): m-IgG Fc BP-HRP Bundle

sc-528754
200 µg Ab; 10 µg BP
$354.00

CBS Antibody (B-4): m-IgGκ BP-HRP Bundle

sc-521253
200 µg Ab, 40 µg BP
$354.00

CBS Antibody (B-4): m-IgG1 BP-HRP Bundle

sc-543112
200 µg Ab; 20 µg BP
$354.00

CBS Antibody (B-4) AC

sc-133154 AC
500 µg/ml, 25% agarose
$416.00

CBS Antibody (B-4) HRP

sc-133154 HRP
200 µg/ml
$316.00

CBS Antibody (B-4) FITC

sc-133154 FITC
200 µg/ml
$330.00

CBS Antibody (B-4) PE

sc-133154 PE
200 µg/ml
$343.00

CBS Antibody (B-4) Alexa Fluor® 488

sc-133154 AF488
200 µg/ml
$357.00

CBS Antibody (B-4) Alexa Fluor® 546

sc-133154 AF546
200 µg/ml
$357.00

CBS Antibody (B-4) Alexa Fluor® 594

sc-133154 AF594
200 µg/ml
$357.00

CBS Antibody (B-4) Alexa Fluor® 647

sc-133154 AF647
200 µg/ml
$357.00

CBS Antibody (B-4) Alexa Fluor® 680

sc-133154 AF680
200 µg/ml
$357.00

CBS Antibody (B-4) Alexa Fluor® 790

sc-133154 AF790
200 µg/ml
$357.00

I would appreciate if you can send me a sample to test on my fixed mice brain slices for IF.

Asked by: Budai
感谢您的提问。 我们小样申领都是随单赠送,您购买一支抗体,最多可以免费申领3支货号不同,目标蛋白不同的抗体小样。 Thank you for your question. We have a promotion with each primary antibody purchase you can recive 3 free antibody samples .
Answered by: Ling Chen
Date published: 2022-08-24

I would appreciate if you can send me a sample to test on my fixed mice brain tissue for western blot.

Asked by: Rupali Sharma
Thank you for your question. We would be happy to send you a free 10 µg sample of this antibody, CBS (B-4): sc-133154, to test before you place your order. Please contact our Technical Service Department to request a free sample. Please call us toll-free at (800) 457-3801 option 2, e-mail <scbt@scbt.com>, or use the live chat on our website.
Answered by: Technical Support
Date published: 2017-08-03

I would appreciate you sending me a 10 µg sample of CBS-133154(B-4) to test for reactivity in mouse BV2 microglial cells. Thank you.

Asked by: gmcbean
Thank you for your interest in our CBS (B-4) sc-133154. We would be happy to arrange the sample. Please contact our Europe Technical Service team by phone at Toll Free: +49 6221 4503 0, by email at: europe@scbt.com or by live chat directly on our website, www.scbt.com to arrange the sample.
Answered by: Technical Service
Date published: 2017-07-14

Can CBS (B-4): sc-133154 monoclonal antibody be used in IF or IHC with mouse tissue or cells? Will there be non-specific staining?

Asked by: DefinitelyNotMatt
Thank you for your inquiry. The use of mouse monoclonal antibodies with mouse samples is very common and typically poses no problem. To eliminate any potential cross-reactivity of an anti-mouse secondary detection reagent, CBS (B-4): sc-133154 is available in a variety of direct conjugations, such as HRP, PE, FITC and AlexaFluors.
Answered by: Technical Support
Date published: 2017-02-24
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Rated 4 out of 5 by from Works great in Rat kidney cellsWe bought CBS primary antibody for Western blot application. We got distinct protein band in Rat kidney cells
Date published: 2022-06-04
Rated 5 out of 5 by from Review for CBS antibody(B-4)a good antibody,we used it for WB,when dilution in 1:1000,exposure just need 1 min.the band is about 70-80 KD.
Date published: 2017-03-13
Rated 5 out of 5 by from nice resultThis antibody detects target antigen without background in our studies, this has worked well in Western blotting for 1:1000.
Date published: 2017-02-11
Rated 5 out of 5 by from Antibody is really greatAntibody provides clear and specific results,antibody is really great.
Date published: 2017-02-07
Rated 5 out of 5 by from With a precise position effectCBS antibody shows hight express in rat spleen tissue. We tried it detect this sample from dilution 1:500, obtained specific band.
Date published: 2017-02-04
Rated 5 out of 5 by from Transfection with WB cleavage.Excellent immunoperoxidase staining in the cytoplasm of formalin fixed, paraffin embedded pancreatic tissue. Transfection with WB cleavage.
Date published: 2016-12-22
Rated 5 out of 5 by from Superb immunoperoxidase cytoplasmic stainingSuperb immunoperoxidase cytoplasmic staining in formalin fixed, paraffin-embedded human pancreas tissue. -SCBT QC
Date published: 2015-04-25
Rated 4 out of 5 by from Worked well with transfected lysate by WBWorked well with transfected lysate by WB -SCBT QC
Date published: 2015-02-15
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CBS Antibody (B-4) is rated 4.8 out of 5 by 8.
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