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Key Documents

ABC432

Sigma-Aldrich

Anti-MAP1LC3B Antibody

rabbit polyclonal

Synonyme(s) :

Microtubule-associated proteins 1A/1B light chain 3B, Autophagy-related protein LC3 B, Autophagy-related ubiquitin-like modifier LC3 B, MAP1 light chain 3-like protein 2, MAP1A/MAP1B light chain 3 B, MAP1A/MAP1B LC3 B, Microtubule-associated protein 1 li

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About This Item

Code UNSPSC :
12352203
eCl@ss :
32160702
Nomenclature NACRES :
NA.41

product name

Anti-LC3B Antibody, serum, from rabbit

Source biologique

rabbit

Niveau de qualité

Forme d'anticorps

serum

Type de produit anticorps

primary antibodies

Clone

polyclonal

Espèces réactives

human

Technique(s)

western blot: suitable

Numéro d'accès NCBI

Numéro d'accès UniProt

Conditions d'expédition

wet ice

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

Description générale

MAP1LC3B, also known as Autophagy-related protein LC3 B, LC3B, Autophagy-related ubiquitin-like modifier LC3 B, MAP1 light chain 3-like protein 2, MAP1A/MAP1B light chain 3 B, MAP1A/MAP1B LC3 B, Microtubule-associated protein 1 light chain 3 beta, and encoded by the gene MAP1LC3B/MAP1ALC3, is a ubiquitin-like modifier involved in formation of autophagosomal vacuoles (autophagosomes). MAP1LC3B plays a role in mitophagy which contributes to regulate mitochondrial quantity and quality by eliminating the mitochondria to a basal level to fulfill cellular energy requirements and preventing excess ROS production. Whereas LC3s are involved in elongation of the phagophore membrane, the GABARAP/GATE-16 subfamily is essential for a later stage in autophagosome maturation. MAP1LC3B interacts at microtubules with CABP1 (via EF-hands 1 and 2) but not with calmodulin. MAP1LC3B interacts with FYCO1 (via C-terminus). MAP1LC3B interacts with TP53INP1 and TP53INP2, and MAP1LC3B interacts with TBC1D25. MAP1LC3B directly interacts with SQSTM1; this interaction leads to MAP1LC3B recruitment to inclusion bodies containing polyubiquitinated protein aggregates and to inclusion body degradation by autophagy. MAP1LC3B interacts with ATG4B, MAPK15 and BNIP3 protein as well. MAP1LC3B is localized to the cytoplasm and cytoskeleton membranes, specifically endomembranes and cytoplasmic vesicles in the autophagosome. MAP1LC3B is expressed in most abundantly in heart, brain, skeletal muscle and testis tissues, with very low expression in liver tissues. Interestingly, high expression of MAP1LC3B in triple negative breast cancer (TNBC) is associated with poor outcomes in TNBC patients and is currently being studied as a prognostic evaluation marker for patients with TNBC.

Immunogène

Linear peptide corresponding to human LC3B.

Application

Detect MAP1 using this rabbit polyclonal antibody, Anti-LC3B Antibody validated for use in western blotting.
Research Category
Apoptosis & Cancer
Research Sub Category
Apoptosis - Additional
Western Blotting Analysis: A representative lot from an independent laboratory detected LC3B in shRNA control HeLa cell lysates and demonstrated a loss of signal in TBC1D5 knockdown HeLa cell lysates. HeLa cells were either serum starved, or treated with bafilomycin A1 or serum starved in the presence of bafilomycin A1 (Popovic, D., et al. (2012). Mol Cell Biol. 32(9):1733-1744.).
Immunohistochemistry (Paraffin) Analysis: A 1:500 dilution from a representative lot detected LC3B in human cerebral cortex and rat cerebral cortex tissue sections.

Qualité

Evaluated by Western Blotting in HeLa cell lysate.

Western Blotting Analysis: A 1:2,000 dilution of this antibody detected LC3B in 10 µg of HeLa cell lysate.

Description de la cible

~15 kDa observed

Forme physique

Rabbit polyclonal serum with 0.05% sodium azide.
Unpurified

Stockage et stabilité

Stable for 1 year at -20°C from date of receipt.
Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.

Clause de non-responsabilité

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.

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Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 1


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Consulter la Bibliothèque de documents

Doris Popovic et al.
Molecular and cellular biology, 32(9), 1733-1744 (2012-02-23)
Autophagy is an evolutionarily conserved degradation pathway characterized by dynamic rearrangement of membranes that sequester cytoplasm, protein aggregates, organelles, and pathogens for delivery to the vacuole and lysosome, respectively. The ability of autophagosomal membranes to act selectively toward specific cargo

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