WB, IP
H Mk
Endogenous
135, 150
Rabbit
#Q96R06
10615
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:50 |
Storage
Specificity / Sensitivity
Species Reactivity:
Human, Monkey
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Val185 of human Astrin/SPAG5 protein. Antibodies are purified by protein A and peptide affinity chromatography.
Background
Astrin/SPAG5 was identified as a microtubule-associated protein in a mitotic extract (1). It is essential for cells to assemble biploar spindle structures and progress through mitosis (1, 2). Astrin/SPAG5 was also identified to be a component associated with outer dense fibers in the sperm tail (3). In addition, this protein negatively regulates mTORC1 activity during the cell stress response (4). Under stress conditions, Astrin/SPAG5 interacts with the mTORC1 component raptor and recruits raptor to stress granules, thereby suppressing mTORC1 formation (4). The inhibition of mTORC1 prevents its hyperactivation and thus keeps cells from undergoing apoptosis during stresses (4). Furthermore, Astrin/SPAG5 has been implicated to be a prognostic marker in breast cancer (5).
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Western Blot Buffer
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v nonfat dry milk, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
WB: Western Blotting IP: Immunoprecipitation
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
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