anti-Capping Protein alpha-3 (N-terminus) guinea pig polyclonal, serum
- Guinea pig polyclonal
- Suitable for WB
- Reacts with bovine, human and mouse
|Reactivity||Bovine, Human, Mouse|
|Storage||Short term at 2-8°C; long term storage in aliquots at -20°C; avoid freeze/thaw cycles|
|Intended use||Research use only|
|Immunogen||Synthetic N-terminal domain (aa 2-17: SLSVLSRKEKEKVIHR-C) of mouse F-actin alpha-3 subunit, coupled to KLH|
|Formulation||Contains 0.09% sodium azide and 0.5% BSA|
|Note||Centrifuge prior to opening|
|Tested applications||Tested dilutions|
|Western Blot (WB)||1:2,000|
Reactive polypeptide: specific for F-actin capping protein (a3 subunit; MW 32,967, pI 6.91 calculated from sequence data; Mr 31,000 on SDS-PAGE; for different sequence data MW 35,024 and pI 7.61).
Q & A's
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- PVDF membranes show better results than nitrocellulose (higher capacity, allows for more stringent washing conditions in case of background problems).
- Use freshly prepared blocking solution (e.g. 5% nonfat dry milk, 0.05% Tween 20), block for at least 1 h at room temperature.
- Use the antibody in a higher dilution, but prolong incubation time and exposure time.
- Always use a fresh aliquot of the antibody.
- Do not repeatedly freeze the antibody (eventually centrifuge shortly after thawing to remove cryo-precipitates).
- Include an additional washing step.
You might also try more stringent wash conditions, e.g. add 0.5 M NaCl to the wash buffer.
- Always use a fresh aliquot of secondary antibody.
- In case you use ECL most the guinea pig antibody should be diluted further in order to get rid of the background.
The supernatant format contains FCS proteins from cell culture medium supplemented with FCS.
The serum antibodies contain other proteins present in serum.
Most of our liquid antibodies and reconstituted lyophilized antibodies may be stored for short term storage (up to 3 month) at 2-8°C. For long term storage we recommend to store the antibody at -20°C in aliquots. Please avoid freeze and thaw cycles.
Most of our conjugated antibodies should be stored at 2-8°C.
The individual storage conditions are mentioned on the datasheet.
In guinea pigs the antibody concentration in serum varies from 10 to 20 mg/ml; specific antibodies represent normally about 0.1-1% of total IgG. Total protein concentration varies from 40 to 65 mg/ml, with the main constituent (about 60%) being albumin.