Synapsin I: an actin-bundling protein under phosphorylation control

  title={Synapsin I: an actin-bundling protein under phosphorylation control},
  author={Tamara Corinna Petrucci and Jon S. Morrow},
  journal={The Journal of Cell Biology},
  pages={1355 - 1363}
Synapsin I is a neuronal phosphoprotein comprised of two closely related polypeptides with apparent molecular weights of 78,000 and 76,000. It is found in association with the small vesicles clustered at the presynaptic junction. Its precise role is unknown, although it probably participates in vesicle clustering and/or release. Synapsin I is known to associate with vesicle membranes, microtubules, and neurofilaments. We have examined the interaction of purified phosphorylated and… CONTINUE READING


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