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panMunc13 Mouse, Unlabeled, Clone: 32, BD

Mouse Monoclonal Antibody

Manufacturer:  BD Biosciences 610998

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Catalog No. BDB610998

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Release of neurotransmitters at the synaptic junction is a primary mechanism of neuronal communication and is regulated by the synaptic vesicle (SV) cycle. Several components of the SV cycle were initially characterized in C. elegans. One of those, unc-13, is involved in normal presynaptic function. Mammalian homologues of unc-13 are Munc13-1, 13-2, and 13-3. These neuron-specific proteins lack N-terminal homology, but are highly conserved in their C-terminal regions. Here they contain a phorbal ester binding C1-domain and two C2-domains with homology to the PKC Ca2+;/phospholipid-binding domain. The most abundant isoform, Munc 13-1, is a presynaptic receptor with high affinities for phorbol ester and DAG. In response to phorbol ester, Munc13-1 associates with the plasma membrane and acts as a stimulation dependent enhancer of neurotransmitter release. In addition, Munc13-1 interacts with components of the SV cycle (syntaxin, SNAP25, synaptobrevin, Doc2) and with a brain specific isoform of β-spectrin, a protein that interacts with the actin cytoskeleton. Thus, it is thought that Munc13 proteins function in signaling pathways that regulate the neuronal exocytic machinery.

Immunofluorescence, Western Blotting



Affinity Purified
Rat Munc13-1 aa. 621-834
Cell Biology
Murine, Rat
Western Blot
Aqueous buffered solution containing BSA, glycerol, and ≤0.09% sodium azide.
Store undiluted at -20°C.
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