Home|||||||Technical Support|

alpha-Tubulin - 302-21P

A major cytoskeleton protein
control peptide
Cat. No.: 302-21P
Amount: 100 µg
Price: $90.00
Cat. No. 302-21P 100 µg peptide, lyophilized. For reconstitution add 100 µl H2O to get a 1mg/ml solution in PBS. Then aliquot and store at -20°C to -80°C until use.
Control peptides should be stored at -20°C when still lyophilized!
Immunogen Synthetic peptide corresponding to AA 419 to 435 from human α-tubulin 4A (UniProt Id: P68366)
Recommended dilution Optimal concentrations should be determined by the end-user.
Matching antibodies 302 204, 302 211, 302 211C3, 302 411, 302 206
Remarks

This control peptide consists of the synthetic peptide SEAREDMAALEKDYEEV (aa 419 - 435 in human α-tubulin 4A) that has been used for immunization. It has been tested in preadsorption experiments and blocks efficiently and specifically the corresponding signal in Western blots. The amount of peptide needed for efficient blocking depends on the titer and on the affinity of the antibody to the antigen.

Data sheet 302-21p.pdf
Cat. No.: 302-21P
Quantity: 100 µg
Price: $90.00
Background

Microtubules are involved in a wide variety of cellular activities ranging from mitosis and transport events to cell movement and the maintainance of cell shape.
Tubulin itself is a globular protein which consists of two polypeptides, α-tubulin and β-tubulin. α- and β-tubulin dimers are assembled to 13 protofilaments that form a microtubule of 22 nm diameter. Tyrosine ligase ads a C-terminal tyrosin to monomeric α-tubulin.
Assembled microtubules can again be detyrosinated by a cytoskeleton associated carboxypeptidase. Detyrosinated α-tubulin is referred to as Glu-α-tubulin. Another post-translational modification of detyrosinated α-tubulin is C-terminal polyglutamylation which is characteristic for microtubules in neuronal cells and the mitotic spindle. A third variant of detyrosinated α-tubulin is Δ2-tubulin which lacks the C-terminal glutamic acid. It cannot be tyrosinated by tyrosine ligase and is one of the dominant α-tubulin isoforms in neurons.

Protocols