APG8b (MAP1LC3B) (Thr6) Peptide

Details for Product No. ABIN699790
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Protein Name
Protein Region
Thr6
Application
Blocking Peptide (BP)
Pubmed 5 references available
Catalog no. ABIN699790
Quantity 0.1 mg
Price
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Immunogen Synthetic peptide
Specificity The synthetic peptide sequence used to generate the antibody AP1802d was selected from the MAP1LC3B region of human APG8b (MAP1LC3B). A 10 to 100 fold molar excess to antibody is recommended. Precise conditions should be optimized for a particular assay.
Background Macroautophagy is the major inducible pathway for the general turnover of cytoplasmic constituents in eukaryotic cells, it is also responsible for the degradation of active cytoplasmic enzymes and organelles during nutrient starvation. Macroautophagy involves the formation of double-membrane bound autophagosomes which enclose the cytoplasmic constituent targeted for degradation in a membrane bound structure, which then fuse with the lysosome (or vacuole) releasing a single-membrane bound autophagic bodies which are then degraded within the lysosome (or vacuole). MAP1A and MAP1B are microtubule-associated proteins which mediate the physical interactions between microtubules and components of the cytoskeleton. These proteins are involved in formation of autophagosomal vacuoles (autophagosomes). MAP1A and MAP1B each consist of a heavy chain subunit and multiple light chain subunits. MAP1LC3b is one of the light chain subunits and can associate with either MAP1A or MAP1B. The precursor molecule is cleaved by APG4B/ATG4B to form the cytosolic form, LC3-I. This is activated by APG7L/ATG7, transferred to ATG3 and conjugated to phospholipid to form the membrane-bound form, LC3-II.
Comment

Background: Macroautophagy is the major inducible pathway for the general turnover of cytoplasmic constituents in eukaryotic cells, it is also responsible for the degradation of active cytoplasmic enzymes and organelles during nutrient starvation. Macroautophagy involves the formation of double-membrane bound autophagosomes which enclose the cytoplasmic constituent targeted for degradation in a membrane bound structure, which then fuse with the lysosome (or vacuole) releasing a single-membrane bound autophagic bodies which are then degraded within the lysosome (or vacuole). MAP1A and MAP1B are microtubule-associated proteins which mediate the physical interactions between microtubules and components of the cytoskeleton. These proteins are involved in formation of autophagosomal vacuoles (autophagosomes). MAP1A and MAP1B each consist of a heavy chain subunit and multiple light chain subunits. MAP1LC3b is one of the light chain subunits and can associate with either MAP1A or MAP1B. The precursor molecule is cleaved by APG4B/ATG4B to form the cytosolic form, LC3-I. This is activated by APG7L/ATG7, transferred to ATG3 and conjugated to phospholipid to form the membrane-bound form, LC3-II.

Restrictions For Research Use only
Storage 4 °C/-20 °C
Storage Comment Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles
Expiry Date 6 months
Background publications He, Dang, Dai et al.: "Post-translational modifications of three members of the human MAP1LC3 family and detection of a novel type of modification for MAP1LC3B." in: The Journal of biological chemistry, Vol. 278, Issue 31, pp. 29278-87, 2003 (PubMed).

Tanida, Ueno, Kominami: "LC3 conjugation system in mammalian autophagy." in: The international journal of biochemistry & cell biology, Vol. 36, Issue 12, pp. 2503-18, 2004 (PubMed).

Shintani, Klionsky: "Autophagy in health and disease: a double-edged sword." in: Science (New York, N.Y.), Vol. 306, Issue 5698, pp. 990-5, 2004 (PubMed).

Lum, DeBerardinis, Thompson: "Autophagy in metazoans: cell survival in the land of plenty." in: Nature reviews. Molecular cell biology, Vol. 6, Issue 6, pp. 439-48, 2005 (PubMed).

Baehrecke: "Autophagy: dual roles in life and death?" in: Nature reviews. Molecular cell biology, Vol. 6, Issue 6, pp. 505-10, 2005 (PubMed).

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