Gelsolin was identified as a result of its ability to sever actin filaments in a Ca2+-dependent manner. The gene for gelsolin encodes an 83 kDa protein that migrates as a 93 kDa polypeptide in SDS-gels. The N-terminal domain contains the calcium-independent actin-severin site, whereas the calcium-dependent site is located in the C-terminal portion of the protein. It exhibits significant homology with villin, another calcium-regulated actin filament severing protein. Gelsolin can be found intracellularly, as well as in a secreted form. However, both forms are encoded by the same gene.
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注意事项:
1.Since applications vary, each investigator should titrate the reagent to obtain optimal results.
2.Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing. .