TGF-beta RI/ALK-5 Antibody [Unconjugated]


Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line, HepG2 human hepatocellular carcinoma cell line, and Raji human Burkitt's lymphoma cell line. PVDF membrane was probed with 0.2 µg/mL of more
TGF-beta RI/ALK‑5 was detected in immersion fixed human peripheral blood mononuclear cells (PBMCs) stimulated with LPS and monensin using Goat Anti-Human TGF‑ beta RI/ALK‑5 Antigen Affinity-purified Polyclonal more

Product Details

Reactivity HuSpecies Glossary
Applications WB, ELISA, ICC/IF

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TGF-beta RI/ALK-5 Antibody [Unconjugated] Summary

Mouse myeloma cell line NS0-derived recombinant human TGF-beta RI/ALK-5
Accession # P36897
Detects human TGF-beta RI/ALK-5 in direct ELISAs and Western blots. In direct ELISAs, less than 25% cross-reactivity with recombinant mouse TGF‑ beta  RI is observed.
Purity Statement
Antigen Affinity-purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.


  • Immunocytochemistry 5-15 ug/mL
  • Western Blot 0.1-0.3 ug/mL
Read Publications using
AF3025 in the following applications:

Packaging, Storage & Formulations

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
No Preservative
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.


This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for TGF-beta RI/ALK-5 Antibody [Unconjugated]

  • AAT5
  • activin A receptor type II-like kinase, 53kD
  • activin A receptor type II-like kinase, 53kDa
  • Activin receptor-like kinase 5
  • ALK-5
  • ALK-5ALK5
  • EC 2.7.11
  • EC
  • LDS1A
  • LDS2A
  • Serine/threonine-protein kinase receptor R4
  • SKR4
  • tbetaR-I
  • TGFB1R1
  • TGF-beta receptor type I
  • TGF-beta receptor type-1
  • TGF-beta RI
  • TGF-beta type I receptor
  • TGFbetaRI
  • TGFBR1
  • TGF-bRI
  • TGFR-1
  • transforming growth factor beta receptor I
  • transforming growth factor, beta receptor 1
  • transforming growth factor, beta receptor I (activin A receptor type II-likekinase, 53kD)
  • Transforming growth factor-beta receptor type I


TGF-beta RI, also known as activin-like kinase 5 (ALK-5), is a 55 kDa type I transmembrane serine/threonine receptor kinase. It is ubiquitously expressed and forms a functional heterotetrameric signaling TGF-beta receptor complex with TGF-beta RII. The amino acid sequence of human TGF-beta RI extracellular domain is 91%, 90%, 91%, and 93% identical to that of porcine, mouse, bovine, and rat TGF-beta RI, respectively.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Publications for TGF-beta RI/ALK-5 Antibody (AF3025)(9)

We have publications tested in 3 confirmed species: Human, Mouse, Bovine.

We have publications tested in 2 applications: ICC, Western Blot.

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Showing Publications 1 - 9 of 9.
Publications using AF3025 Applications Species
H Zhang, B Li, Q Huang, F López-Girá, Y Tanaka, Q Lin, S Mehta, G Wang, M Graham, X Liu, IH Park, A Eichmann, W Min, JH Zhou Mitochondrial dysfunction induces ALK5-SMAD2-mediated hypovascularization and arteriovenous malformations in mouse retinas Nature Communications, 2022-12-10;13(1):7637. 2022-12-10 [PMID: 36496409] (Western Blot, Mouse) Western Blot Mouse
W Cheng, HL Li, SY Xi, XF Zhang, Y Zhu, Le Xing, YX Mo, MM Li, FE Kong, WJ Zhu, XG Chen, HQ Cui, ZM Cao, YF Gong, YQ Tang, Y Zhang, XY Guan, NF Ma, M Liu Growth differentiation factor 1-induced tumour plasticity provides a therapeutic window for immunotherapy in hepatocellular carcinoma Nature Communications, 2021-12-08;12(1):7142. 2021-12-08 [PMID: 34880251] (Western Blot, Human) Western Blot Human
B Nam, H Park, YL Lee, Y Oh, J Park, SY Kim, S Weon, SH Choi, JH Yang, S Jo, TH Kim TGF&beta1 Suppressed Matrix Mineralization of Osteoblasts Differentiation by Regulating SMURF1-C/EBP&beta-DKK1 Axis International Journal of Molecular Sciences, 2020-12-21;21(24):. 2020-12-21 [PMID: 33371439] (Western Blot, Human) Western Blot Human
B Wang, X Xu, Z Yang, L Zhang, Y Liu, A Ma, G Xu, M Tang, T Jing, L Wu, Y Liu POH1 contributes to hyperactivation of TGF-? signaling and facilitates hepatocellular carcinoma metastasis through deubiquitinating TGF-? receptors and caveolin-1 EBioMedicine, 2019-02-07;0(0):. 2019-02-07 [PMID: 30745168] (Western Blot, Human) Western Blot Human
Ying Chen, Dan-Dan Wang, Ye-Ping Wu, Dan Su, Tian-Yi Zhou, Ren-Hua Gai, Ying-Ying Fu, Lin Zheng, Qiao-Jun He, Hong Zhu, Bo Yang MDM2 promotes epithelial-mesenchymal transition and metastasis of ovarian cancer SKOV3 cells. British Journal of Cancer, 2017-08-17;0(0):1532-1827. 2017-08-17 [PMID: 28817834] (Western Blot, Human) Western Blot Human
Gore B, Izikki M, Mercier O, Dewachter L, Fadel E, Humbert M, Dartevelle P, Simonneau G, Naeije R, Lebrin F, Eddahibi S Key role of the endothelial TGF-beta/ALK1/endoglin signaling pathway in humans and rodents pulmonary hypertension. PLoS ONE, 2014-06-23;9(6):e100310. 2014-06-23 [PMID: 24956016] (Western Blot, Human) Western Blot Human
Lei Z, Xu G, Wang L, Yang H, Liu X, Zhao J, Zhang H MiR-142-3p represses TGF-beta-induced growth inhibition through repression of TGFbetaR1 in non-small cell lung cancer. FASEB J, 2014-02-20;28(6):2696-704. 2014-02-20 [PMID: 24558198] (Western Blot, Human) Western Blot Human
Yao Y, Zebboudj AF, Torres A, Shao E, Bostrom K Activin-like kinase receptor 1 (ALK1) in atherosclerotic lesions and vascular mesenchymal cells. Cardiovasc. Res., 2006-09-27;74(2):279-89. 2006-09-27 [PMID: 17074310] (ICC, Western Blot, Human) ICC, Western Blot Human
Haynes LP, Fitzgerald DJ, Wareing B, O'Callaghan DW, O'Callaghan DW, Morgan A, Burgoyne RD Analysis of the interacting partners of the neuronal calcium-binding proteins L-CaBP1, hippocalcin, NCS-1 and neurocalcin delta. Proteomics, 2006-03-01;6(6):1822-32. 2006-03-01 [PMID: 16470652] (Western Blot, Bovine) Western Blot Bovine

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Gene Symbol TGFBR1