Sarkosyl-resistant filament from sea urchin sperm axonemes.
The tubulin protein is a major target of drug molecules, and consequently, tubulin inhibitors have attracted great attention as antimitotic antitumor agents for chemotherapeutic use. The effects on tubulin messenger RNA levels and tubulin protein synthesis when treating cells with microtubule-depolymerizing drugs or when directly microinjecting cells with tubulin suggest that non-polymerized tubulin depresses its own synthesis. There are three classes of the ~50kD tubulin proteins: alpha, beta, and gamma. The alpha and beta tubulins form a heterodimer that polymerize into the cylindrical microtubule fibers. Both alpha and beta tubulin bind GTP, however, only beta tubulin hydrolyzes GTP to GDP. This hydrolysis is a process that is linked to tubulin polymerization and microtubule formation. The alpha tubulin isomer can be modified by addition of a C-terminal tyrosine residue. This modification may influence polymerization rates. The gamma tubulin isomer is localized to centrosomes which compose the heart of the microtubule organizing center from which microtubule fibers emanate. Applications: Suitable for use in Western Blot and Immunofluorescence. Other applications have not been tested. Recommended Dilution: Western Blot: 1-3ug/ml Immunofluorescence: 5-10ug/ml Optimal dilutions to be determined by the researcher. Storage and Stability: Store product at 4C if to be used immediately within two weeks. For long-term storage, aliquot to avoid repeated freezing and thawing and store at -20C. Aliquots are stable at -20C for 12 months after receipt. Dilute required amount only prior to immediate use. Further dilutions can be made in assay buffer. Caution: FITC conjugates are sensitive to light. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Note: Applications are based on unconjugated antibody.
Klonalität:
Monoclonal
Klon-Bezeichnung:
[B-5-1-2]
Reinheit:
Purified by Protein A chromatography
Formulierung:
Supplied as a liquid in PBS, pH 7.2. No preservatives added. Labeled with Fluorescein isothiocyanate (FITC).
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