Home  >  Products  >  Synapsin I, phosphorylated (Ser62/Ser67) (Synapsin 1, Synapsin-1, SYN1, SYN-1, Synapsin-I, SYNI, SYN-I, Brain Protein 4.1, SYN1a, SYN1b, SYN-1a, SYN-1b)

Synapsin I, phosphorylated (Ser62/Ser67) (Synapsin 1, Synapsin-1, SYN1, SYN-1, Synapsin-I, SYNI, SYN-I, Brain Protein 4.1, SYN1a, SYN1b, SYN-1a, SYN-1b)

Cat no: S9103-90C


Supplier: United States Biological
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Synapsin I plays a key role in synaptic plasticity in brain (Feng et al., 2002; Nayak et al., 1996). This effect is due in large part to the ability of the synapsins to regulate the availability of synaptic vesicles for release. The role of synapsin in synaptic plasticity and in synaptogensis is regulated by phosphorylation (Jovanovic et al., 2001; Kao et al., 2002). Ser 549 along with Ser 62 and Ser 67 are the sites of Synapsin I that are phosphorylated by MAP kinase (Czernik et al., 1987; Jovanovic et al., 1996). Applications: Suitable for use in Western Blot. Other applications not tested. Recommended Dilution: Optimal dilutions to be determined by the researcher. Positive Control: Rat cortex lysate Storage and Stability: May be stored at 4 degrees C for short-term only. For long-term storage, aliquot and store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Catalogue number: S9103-90C
Reactivities: Mouse, Rat, Bovine
Hosts: Rabbit
Applications: Western Blot
Size: 100ul
Form: 10 mM Hepes (pH7.5), 150 mM NaCl, 100 ug/ml BSA and 50% glycerol
P type: Pab
Purity: Purified by immunoaffinity chromatography.
References: Jovanovic JN, Benfenati, F, Siow YL, Sihra TS, Sanghera JS, Pelech SL, Greengard P,Czernik AJ (1996) Neurotrophins stimulate phosphorylation of Synapsin I by MAP kinase and regulate SynapsinI-actin interactions. Neurobiology 93:3679-3683.Czernik AJ, Pang DT, Greengard P (1987) Amino acid sequences surrounding the cAMP-dependent and calcium/calmodulin-dependent phosphorylation sites in rat and bovine synapsin I. Proc Natl Acad Sci (USA) 84:7518-7522.Feng J, Chi P, Blanpied TA, Xu YM, Magarinos AM, Ferreira A, Takahashi RH, Kao HT, McEwen BS, Ryan TA, Augustine GJ, Greengard P (2002) Regulation of neurotransmitter release by synapsin III. J Neurosci 22:4372-4380.Jovanovic JN, Sihra TS, Nairn AC, Hemmings HC, Jr., Greengard P, Czernik AJ (2001) Opposing changes in phosphorylation of specific sites in synapsin I during Ca2+-dependent glutamate release in isolated nerve terminals. J Neurosci 21:7944-7953.Kao HT, Song HJ, Porton B, Ming GL, Hoh J, Abraham M, Czernik AJ, Pieribone VA, Poo MM, Greengard P (2002) A protein kinase A-dependent molecular switch in synapsins regulates neurite outgrowth. Nature Neurosci 5:431-437.Nayak AS, Moore CI, Browning MD (1996) CAM kinase II phosphorylation of the presynaptic protein synapsin is persistently increased during expression of long-term potentiation. Proc Natl Acad Sci (USA) 93:15451-15456.
Additional info: The antibody has been directly tested for reactivity in Western blots with rat tissue. It is anticipated that the antibody will react with mouse and bovine tissues based on the fact that these species have 100% homology with the amino acid sequence used as antigen. Specific for ~78k Synapsin I doublet phosphorylated at Ser62,67. Immunolabeling of the Synapsin I band is blocked by preadsorption with the phospho-peptide used as antigen but not be the corresponding dephospho-peptide.

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