|Predicted||Bovine, Chicken, Human, Mouse, Monkey|
|Calculated MW||95 KDa|
|Other Names||Dynamin-1, B-dynamin, D100, Dynamin, brain, Dnm1, Dnm|
|Target/Specificity||Synthetic phospho-peptide corresponding to amino acid residues surrounding Ser774 conjugated to KLH.|
|Format||Prepared from sheep serum by affinity purification via sequential chromatography on phospho- and dephosphopeptide affinity columns.|
|Antibody Specificity||Specific for the ~95k dynamin protein phosphorylated at Ser774. Labelsthe purified protein phosphorylated in vitro by cdk5 but not by PKC. Does not cross react withother purified substrates of cdk5 (e.g. amphiphysin and synapsin). Immunolabeling is blockedby λ-phosphatase treatment.|
|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||Phospho-Ser774 Dynamin Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
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Provided below are standard protocols that you may find useful for product applications.
Dynamin is a member of a group of nerve terminal proteins called dephosphins that regulate synaptic vesicle endocytosis (Cousin et al., 2001; Graham et al., 2002; Tsuboi et al., 2002). Cyclin dependent protein kinase 5 phosphorylates dynamin at Ser774 and Ser778 that are the phosphorylation sites on dynamin phosphorylated in vivo (Tan et al., 2003). Phosphorylation of Ser774 by GSK3 has recently been shown to control activity-dependent bulk endocytosis of synaptic vesicles (Clayton et al., 2010)
Cousin MA, Tan TC, Robinson PJ (2001) Protein phosphorylation is required for endocytosis in nerve terminals:
potential role for the dephosphins dynamin I and synaptojanin, but not AP180 or amphiphysin. J Neurochem
Graham ME, O'Callaghan DW, McMahon HT, Burgoyne RD (2002) Dynamin-dependent and dynamin-independent
processes contribute to the regulation of single vesicle release kinetics and quantal size. Proc Natl Acad Sci USA
Tan TC, Valova VA, Malladi CS, Graham ME, Berven LA, Jupp OJ, Hansra G, McClure SJ, Sarcevic B, Boadle RA,
Larsen MR, Cousin MA, Robinson PJ (2003) cdk5 is essential for synaptic vesicle endocytosis. Nat Cell Biol
Tsuboi T, Terakawa S, Scalettar BA, Fantus C, Roder J, Jeromin A (2002) Sweeping model of dynamin activity -
Visualization of coupling between exocytosis and endocytosis under an evanescent wave microscope with green
fluorescent proteins. J Biol Chem 277:15957-15961.
Clayton EL, Sue N, Smillie KJ, O'Leary T, Bache N, Cheung G, Cole AR, Wyllie DJ, Sutherland C, Robinson PJ,
Cousin MA. (2010) Dynamin I phosphorylation by GSK3 controls activity-dependent bulk endocytosis of synaptic
vesicles. Nat Neurosci. 13(7):845-51.
Sergio Leal-Ortiz, Clarissa L. Waites, Ryan Terry-Lorenzo, Pedro Zamorano, Eckart D. Gundelfinger, and Craig C.
Garner (2008) Piccolo modulation of Synapsin1a dynamics regulates synaptic vesicle exocytosis. J. Cell Biol., 181:
831 - 846.
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