LC3B Antibody [DyLight 405]


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Product Details

Reactivity Hu, Mu, Rt, Po, Ba, Bv, Ca, Pm, SyHa, ZeSpecies Glossary
Applications WB, ELISA, ICC/IF, IHC-Fr, IHC-P
DyLight 405

LC3B Antibody [DyLight 405] Summary

A synthetic peptide made to an N-terminal portion of the human LC3 protein sequence (between residues 1-100). [UniProt# Q9GZQ8]
LC3-I is cytoplasmic. LC3-II binds to the autophagic membranes.
Autophagosome Marker
Immunogen affinity purified
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  • Western Blot
  • Immunocytochemistry/Immunofluorescence
  • Immunohistochemistry-Frozen
  • Immunohistochemistry-Paraffin
Application Notes
This LC3 antibody is useful for Immunocytochemistry/Immunofluorescence, Immunohistochemistry-paraffin embedded sections, Immunoprecipitation and Western Blot. Use in Immunohistochemistry-Frozen sections reported in scientific literature (PMID: 20008275) In Western blot bands are seen ~17 and 19 kDa corresponding to LC3-II and LC3-I. In some cases a non-specific band is seen at ~21 kDa in mouse protein. In ICC/IF, cytoplasmic staining was observed in HeLa cells.

Reactivity Notes

Bovine reactivity reported in scientific literature (PMID: 24895572). Primate reactivity reported in scientific literature (PMID: 25142602). Canine reactivity reported in scientific literature (PMID: 25839646). The mouse detection has been reported to be weaker than the human. Immunogen sequence has 84% homology to Xenopus.

Packaging, Storage & Formulations

Store at 4C in the dark.
50mM Sodium Borate
0.05% Sodium Azide
Immunogen affinity purified


Dylight (R) is a trademark of Thermo Fisher Scientific Inc. and its subsidiaries. This conjugate is made on demand. Actual recovery may vary from the stated volume of this product. The volume will be greater than or equal to the unit size stated on the datasheet.

Alternate Names for LC3B Antibody [DyLight 405]

  • Apg8b
  • ATG8F
  • Autophagy-related protein LC3 B
  • Autophagy-related ubiquitin-like modifier LC3 B
  • lc3b autophagy marker
  • LC3B
  • lc3-i, ii
  • LC3II
  • MAP1 light chain 3-like protein 2
  • MAP1A/1BLC3
  • MAP1LC3B
  • microtubule associated protein 3 b
  • microtubule associated protein 3 beta
  • microtubule-associated protein 1 light chain 3 betaMAP1A/MAP1B light chain 3 B
  • microtubule-associated proteins 1A/1B light chain 3
  • microtubule-associated proteins 1A/1B light chain 3B


LC3 (microtubule-associated protein light chain 3), the most studied autophagy biomarker, was originally identified as a subunit of microtubule-associated proteins 1A and 1B (MAP1LC3) and was later found to contain similarity to yeast protein Apg8/Aut7/Cvt5. Distributed ubiquitously in eukaryotes, LC3 is expressed as 3 splice variants/isoforms (LC3A, LC3B and LC3C) which undergo post-translational processing, wherein, the unprocessed form of LC3 is proteolytically cleaved by Atg4 protease to form LC3-I with carboxyterminal exposed glycine. During autophagy, this exposed glycine of LC3-I is conjugated by Atg7 (an E1-like activity), Atg3 (an E2-like conjugating activity) and by Atg12-Atg5-Atg16L multimers (E3-like ligase activity) to phosphatidylethanolamine (PE) moiety for generating LC3-II. The lipophilic character of PE group facilitates LC3-II insertion into autophagosomes membranes, and as a result LC3-II is degraded when autophagosomes fuse with lysosomes to form autolysosomes for lysus of intra-autophagosomal components by lysosomal hydrolases. Conversion of LC3I to LC3II when correlated with autophagosome numbers is considered as the best marker of autophagy because LC3-II is the only well-characterized protein which specifically localize to autophagic structures throughout autophagy (from phagophore to lysosomal degradation). LC3 is a great tool in research as autophagy is implicated in numerous physiological/pathological processes including responses to exercise/aging, cancer, metabolic and neurodegenerative disorders, and cardiovascular/pulmonary diseases.


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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Product General Protocols

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Video Protocols

WB Video Protocol
ICC/IF Video Protocol

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Secondary Antibodies


Isotype Controls

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Blogs on LC3B.

Why LC3B Antibodies Make Ideal Autophagosomes Membrane Markers
The human form of microtubule-associated protein light chain 3 (LC3) is expressed as 3 splice variants; LC3A, LC3B and LC3C (He et al., 2003). LC3B is a subunit of the MAP1A and MAP1B microtubule-binding pr...  Read full blog post.

LC3B: From Autophagy to Cancer
LC3B is subunit component of the LC3 autophagy biomarker associated with microtubule-associated proteins MAP1A and MAP1B and one of the best characterized markers to date. In resting state it is cytosolic, but upon activation, is lapidated and becomes...  Read full blog post.

LC3B Empowers Protein Quality Control by Autophagy
LC3B also known as microtubule-associated protein 1 light chain 3 beta (MAP1LC3B) is an autophagy gene that contributes appreciably to protein degradation. Autophagy is a highly synchronized and a dynamic catabolic degradation activity that plays an e...  Read full blog post.

Analyzing LC3 in Western blot
Microtubule-associated protein light chain 3 (LC3) is considered one of the definitive markers of autophagy, and its use is widespread in labs throughout the world. Despite its popularity, there are several considerations when employing LC3 antibodies...  Read full blog post.

Marking the Autophagosome: the LC3 Antibody
MAP1LC3 (shortened to LC3 in our antibody catalog) is one of four mammalian homologues of autophagy-related protein 8 (Atg8). It has been identified as a light chain subunit of the microtubule-associated proteins MAP1A/MAP1B. A modified form of LC3, L...  Read full blog post.

Breakdown: Interpreting LC3 Antibody WB Results
In rodents, MAPLC3 (Microtubule-associated protein 1 light chain 3) is expressed in the renal visceral epithelial cells, or podocytes. LC3 antibody analysis has shown the protein accumulates in its membrane-bound form of LC3II, following conversion fr...  Read full blog post.

The Role of LC3 within the Autophagic Pathway
We at Novus Biologicals have a broad antibody databasecovering the area of autophagy - over 1400 reagents in total. Autophagy is bulk degradation of cytoplasmic components - literally, self-digestion of the cell. Double-membrane vesicles, called autop...  Read full blog post.

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Gene Symbol MAP1LC3B