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Rabbit Polyclonal Anti-Tubulin alpha antibody (STJ98829)
Supplier: St John’s Laboratory Ltd.
Recommended applications: WB, ELISA
Recommended dilution: WB 1:500-2000; ELISA 1:5000-20000
Recommended protocols: check protocols
Click or hover above images to see image description for Anti-Tubulin alpha antibody.
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SCBT cat No:
Anti-Tubulin alpha antibody
|Catalogue No.|| |
Human, Mouse, Rat
Anti-Tubulin alpha antibody detects endogenous Tubulin alpha.
Synthetic peptide from human protein at AA range: 382-451.
|Recommended dilution|| |
WB 1:500-2000; ELISA 1:5000-20000
|Molecular weight|| |
Anti-Tubulin alpha antibody was tube-contained in PBS, pH 7.4, containing 0.02% sodium azide as Preservative and 50% Glycerol.
Anti-Tubulin alpha antibody was affinity-purified from rabbit serum by affinity-chromatography using specific immunogen.
-20 Celsius degree. Avoid repeated freeze/thaw cycles.
|Database links|| |
|Protein function|| |
Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain.
|Protein tissue specificity|| |
Expressed at a high level in fetal brain. .
|Involvement in disease|| |
Lissencephaly 3 (LIS3) [MIM:611603]: A classic type lissencephaly associated with psychomotor retardation and seizures. Features include agyria or pachygyria or laminar heterotopia, severe mental retardation, motor delay, variable presence of seizures, and abnormalities of corpus callosum, hippocampus, cerebellar vermis and brainstem. . Note=The disease is caused by mutations affecting the gene represented in this entry.
|Protein sequence and domain|| |
Belongs to the tubulin family.
|Protein post-translational modifications|| |
Some glutamate residues at the C-terminus are polyglutamylated, resulting in polyglutamate chains on the gamma-carboxyl group (PubMed:26875866). Polyglutamylation plays a key role in microtubule severing by spastin (SPAST). SPAST preferentially recognizes and acts on microtubules decorated with short polyglutamate tails: severing activity by SPAST increases as the number of glutamates per tubulin rises from one to eight, but decreases beyond this glutamylation threshold (PubMed:26875866). .; Some glutamate residues at the C-terminus are monoglycylated but not polyglycylated due to the absence of functional TTLL10 in human. Monoglycylation is mainly limited to tubulin incorporated into axonemes (cilia and flagella). Both polyglutamylation and monoglycylation can coexist on the same protein on adjacent residues, and lowering glycylation levels increases polyglutamylation, and reciprocally. The precise function of monoglycylation is still unclear (Probable). .; Acetylation of alpha chains at Lys-40 is located inside the microtubule lumen. This modification has been correlated with increased microtubule stability, intracellular transport and ciliary assembly. .; Methylation of alpha chains at Lys-40 is found in mitotic microtubules and is required for normal mitosis and cytokinesis contributing to genomic stability. .; Nitration of Tyr-451 is irreversible and interferes with normal dynein intracellular distribution. .; Undergoes a tyrosination/detyrosination cycle, the cyclic removal and re-addition of a C-terminal tyrosine residue by the enzymes tubulin tyrosine carboxypeptidase (TTCP) and tubulin tyrosine ligase (TTL), respectively. .; Tubulin alpha-1A chain: Tyrosination promotes microtubule interaction with CAP-Gly domain-containing proteins such as CLIP1, CLIP2 and DCTN1. Tyrosination regulates the initiation of dynein-dynactin motility via interaction with DCTN1, which brings the dynein-dynactin complex into contact with microtubules (PubMed:26972003, PubMed:26968983). In neurons, tyrosinated tubulins mediate the initiation of retrograde vesicle transport (PubMed:26968983). .; Detyrosinated tubulin alpha-1A chain: Detyrosination is involved in metaphase plate congression by guiding chromosomes during mitosis: detyrosination promotes interaction with CENPE, promoting pole-proximal transport of chromosomes toward the equator (PubMed:25908662). Detyrosination increases microtubules-dependent mechanotransduction in dystrophic cardiac and skeletal muscle. In cardiomyocytes, detyrosinated microtubules are required to resist to contractile compression during contraction: detyrosination promotes association with desmin (DES) at force-generating sarcomeres, leading to buckled microtubules and mechanical resistance to contraction (By similarity). .
|Protein cellular localization|| |
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St John’s Laboratory Ltd.
|Product type|| |
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