- CITATIONS: 2
|Application ||WB, IHC|
|Reactivity||Human, Mouse, Rat|
|Calculated MW||14272 Da|
|Other Names||Microtubule-associated proteins 1A/1B light chain 3A, Autophagy-related protein LC3 A, Autophagy-related ubiquitin-like modifier LC3 A, MAP1 light chain 3-like protein 1, MAP1A/MAP1B light chain 3 A, MAP1A/MAP1B LC3 A, Microtubule-associated protein 1 light chain 3 alpha, MAP1LC3A|
|Target/Specificity||A synthetic peptide corresponding to residues on the N-terminus of human MAPILC3A was used as an immogen.|
|Format||50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.|
|Storage||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.|
|Precautions||MAPILC3A Antibody (N-term) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Ubiquitin-like modifier involved in formation of autophagosomal vacuoles (autophagosomes) (PubMed:20713600, PubMed:24290141). Whereas LC3s are involved in elongation of the phagophore membrane, the GABARAP/GATE-16 subfamily is essential for a later stage in autophagosome maturation (PubMed:20713600).|
|Cellular Location||Cytoplasm, cytoskeleton. Endomembrane system; Lipid-anchor. Cytoplasmic vesicle, autophagosome membrane; Lipid-anchor. Cytoplasmic vesicle, autophagosome Note=LC3-II binds to the autophagic membranes|
|Tissue Location||Most abundant in heart, brain, liver, skeletal muscle and testis but absent in thymus and peripheral blood leukocytes.|
Provided below are standard protocols that you may find useful for product applications.
Microtubule-associated MAPILC3A constitute nearly half of the mass of all the microtubule associated proteins that copurify with brain microtubules. MAPILC3A is composed of a heavy chain and multiple light-chain subunits. Amino acid sequencing of a 120 kd microtubule-binding and light chain-binding fragment of the heavy chain reveals that light chain 1 binds near the heavy chain N-terminus. These data indicate that the heavy chain and light chain 1 are produced by proteolytic processing of a MAP1B polyprotein and form a complex microtubule-binding domain (1). There are three human orthologs of the rat Map1LC3, named MAP1LC3A, MAP1LC3B, and MAP1LC3C. The three isoforms of human MAP1LC3 exhibit distinct expression patterns in different human tissues and also differ in their post-translation modifications. MAP1LC3A and MAP1LC3C are produced by the proteolytic cleavage after the conserved C-terminal Gly residue; MAP1LC3B does not undergo C-terminal cleavage and exists in a single modified form (2).
1. Hammarback JA, et al. Neuron 7(1):129-39, 1991.
2. He H, et al. J. Biol Chem 278(31):29278-87, 2003.
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