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Anti-Linear Ubiquitin Antibody, clone LUB9

clone LUB9, from mouse

Polyubiquitin-C, Ubiquitin

Quality Level

biological source


antibody form

purified immunoglobulin

antibody product type

primary antibodies


LUB9, monoclonal

species reactivity



western blot: suitable



NCBI accession no.

UniProt accession no.

shipped in

wet ice

General description

Ubiquitin functions as a marker to indicate the fate of other proteins in the cell. It can be attached as a single molecule or as a polyubiquitin chain. Although ubiquitinated proteins are oftentimes tagged for degradation by the 20S proteosome, ubiquitination can also indicate alternative fates depending on the lysine residue that is involved in linking the ubiquitin chain to the target protein. Ubiquitin chains linked by Lys33 to kinase substrates such as AMP-activated protein kinases, (AMPKα1, BRSK1, MARK3, MARK4, and NUAK1), may activate or deactivate these proteins, supporting the role for uniquitin in regulating signaling.


This antibody detects only Linear Ubiquitin.


Ovalbumin-conjugated linear peptide corresponding to human Linear Ubiquitin.


Anti-Linear Ubiquitin Antibody, clone LUB9 | MABS451 is an antibody against Linear Ubiquitin Antibody for use in Western Blotting.
Western Blotting Analysis: A representative lot detected Linear Ubiquitin in (M1-linked) ubiquitin chains (Yoshiteru, S. et al. (2013). EMBO. 32:2463-2476).
Research Category
Research Sub Category
Signaling Neuroscience


Evaluated by Western Blotting in recombinant protein Linear Polyubiquitin chains, K48 Ub 2-7, K63 Ub 2-7, and K11-only Ubn-ubiquitinylated HM substrate protein.

Western Blotting Analysis: 1.0 µg/mL of this antibody detected 10 µg of Linear Polyubiquitin recombinant protein chains, bands were not detected in K48 Ub 2-7, K63 Ub 2-7, and K11-only Ubn-ubiquitinylated HM substrate protein.

Target description

Multiple bands observed

Physical form

Protein G Purified
Purified mouse monoclonal IgG2bκ in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.
Format: Purified

Storage and Stability

Stable for 1 year at 2-8°C from date of receipt.

Other Notes

Concentration: Please refer to lot specific datasheet.


Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Storage Class Code

12 - Non Combustible Liquids



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

The EMBO journal
Sasaki, Y; Sano, S; Nakahara, M; Murata, S; Kometani, K; Aiba, Y; Sakamoto, S; Watanabe et al.
The Embo Journal null
Hirohisa Miyashita et al.
Frontiers in immunology, 12, 635475-635475 (2021-04-06)
Nuclear dot protein 52 kDa (NDP52, also known as CALCOCO2) functions as a selective autophagy receptor. The linear ubiquitin chain assembly complex (LUBAC) specifically generates the N-terminal Met1-linked linear ubiquitin chain, and regulates innate immune responses, such as nuclear factor-κB
Jixiao Niu et al.
The EMBO journal, 32(24), 3206-3219 (2013-11-26)
DNA damage-induced activation of the transcription factor NF-κB plays an important role in the cellular response to genotoxic stress. However, uncontrolled NF-κB activation upon DNA damage may lead to deleterious consequences. Although the mechanisms mediating genotoxic NF-κB activation have been
Fuxiang Zhu et al.
The Journal of biological chemistry, 293(52), 20099-20111 (2018-11-06)
The CD4+CD25+FOXP3+ regulatory T (Treg) cells are critical for maintaining immune tolerance in healthy individuals and are reported to restrict anti-inflammatory responses and thereby promote tumor progression, suggesting them as a target in the development of antitumor immunotherapy. Forkhead box

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