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Recombinant Calponin-1 (Smooth Muscle Marker) Antibody [rCNN1/9164]

In Stock
Catalog Number Formulation Size Price
1264-MSM15-P0
Purified Ab with BSA and Azide at 200ug/ml
20ug
$229.00
1264-MSM15-P1
Purified Ab with BSA and Azide at 200ug/ml
100ug
$519.00
1264-MSM15-P1ABX
Purified Ab WITHOUT BSA and Azide at 1.0mg/ml
100ug
$519.00
Flat Rate Domestic: $60 | Orders outside the US - Contact Us for Order Information | Ships next business day

Applications & Dilutions

Applications Tested Dillution Protocol Note
Immunohistochemistry (IHC)
1-2ug/ml
30 min at RT. Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95°C followed by cooling at RT for 20 minutes

Summary

Multiple isoelectric variants of calponin have been identified, however only two molecular weight isoforms exist; a 34kDa form and a 29kDa form. Expression of the 29kDa form, I-calponin, is primarily restricted to muscle of the urogenital tract, whereas the higher molecular weight variant has been demonstrated in vascular and visceral smooth muscle. In Western blotting, this MAb reacts with only the 34kDa form of calponin in extracts of human aortic medial smooth muscle and is unreactive with fibroblast extracts of cultivated human foreskin. Calponin is a calmodulin, F-actin and tropomyosin binding protein, which is thought to be involved in the regulation of smooth muscle contraction. Calponin expression is restricted to smooth muscle cells and has been shown to be a marker of the differentiated (contractile) phenotype of developing smooth muscle.

Product Properties & Targets

Host
Mouse
Applications
Species Reactivity
Isotype / Light Chain
IgG2b / Kappa
Cellular Localization
Cytoplasm.
Gene Name
Positive Control
K562 cells. Myoepithelial cells in breast ducts.
Immunogen
Recombinant fragment (around aa1-200) of human CNN1 protein (exact sequence is proprietary)
Alternate Names
Calponin-1, Basic calponin, Calponin H1, smooth muscle, Calponin 1 basic smooth muscle; Calponin H1 smooth muscle; Calponin-1; CNN1; Cnn1; Sm Calp; SMCC

Database Links

Entrez Gene ID
SwissProt

Additional Information

Clone
rCNN1/9164
Chromosome Location
19p13.2
Mol. Weight of Antigen
34kDa

Functions

  • Thin filament-associated protein that is implicated in the regulation and modulation of smooth muscle contraction. It is capable of binding to actin, calmodulin and tropomyosin. The interaction of calponin with actin inhibits the actomyosin Mg-ATPase activity (By similarity).

Key References

  • Tang, D.C., et al. 1996. The critical role of Serine 175. J. Biol. Chem. 271: 8605-8611.

Storage & Stability

Antibody with azide - store at 2 to 8°C. Antibody without azide - store at -20 to -80°C.Antibody is stable for 24 months. Non-hazardous. No MSDS required.

Limitations

This antibody is available for research use only and is not approved for use in diagnosis.

Supplied as

200ug/ml of recombinant MAb purified by Protein A/G. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.

Warranty

There are no warranties, expressed or implied, which extend beyond this description. Company is not liable for any personal injury or economic loss resulting from this product.

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