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C4874

Sigma-Aldrich

Calmodulin bovine

recombinant, expressed in E. coli, lyophilized powder, ≥98% (SDS-PAGE)

Synonyme(s) :

CaM, Phosphodiesterase 3:5-cyclic nucleotide activator, Phosphodiesterase 3′:5′-cyclic nucleotide activator

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About This Item

Numéro MDL:
MFCD00131869
Code UNSPSC :
12352202
Nomenclature NACRES :
NA.26

Source biologique

bovine

Niveau de qualité

200

Produit recombinant

expressed in E. coli

Pureté

≥98% (SDS-PAGE)

Forme

lyophilized powder

Poids mol.

Mw 19000.9 by amino acid sequence

Composition

Protein, ≥85%

Numéro d'accès UniProt

P62157

Température de stockage

−20°C

Informations sur le gène

bovine ... CALM(100297344)

Description générale

Calmodulin from bovine takes up a dumb-bell-structure. Two calcium binding EF hand loops, antiparallel β-sheet and three α-helices comprises a lobe. It has a central helix connecting the lobes. Calmodulin can bind four calcium molecules in a cooperative interaction pattern.

Application

Calmodulin bovine has been used inin vitro phosphorylation assay of recombinant retinoic acid-inducible gene I protein. It has also been used in the endoprotease Glu-C proteolysis and deamidation studies.

Actions biochimiques/physiologiques

Ca2+ binding protein that is required for activation of cyclic nucleotide-dependent phosphodiesterase. It is also a cofactor/activator of nitric oxide synthase, calcineurin, and many kinases including ATPase, myosin light chain kinase, and CAM kinase I, II, and III. It mediates ryanodine receptor activation by cyclic ADP-ribose and is involved in intracellular Ca2+ homeostasis.
Calmodulin from bovine undergoes conformational changes upon calcium binding. It binds to sphingosylphosphorylcholine and inhibit calcineurin and phosphodiesterase enzymes.

Propriétés physiques

Sequence:
MGSSHHHHHHSSGLVPRGSHMADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTAK

Notes préparatoires

Produced using animal component-free materials.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Miljan Simonovic et al.
The Journal of biological chemistry, 281(45), 34333-34340 (2006-09-02)
AlphaII-spectrin is a major cortical cytoskeletal protein contributing to membrane organization and integrity. The Ca2+-activated binding of calmodulin to an unstructured insert in the 11th repeat unit of alphaII-spectrin enhances the susceptibility of spectrin to calpain cleavage but abolishes its
Does calmodulin regulate the bicarbonate permeability of ANO1/TMEM16A or not?
Jinsei Jung et al.
The Journal of general physiology, 145(1), 75-77 (2014-12-31)
Intraprotein electron transfer between the FMN and heme domains in endothelial nitric oxide synthase holoenzyme.
Feng C., et al
Biochimica et Biophysica Acta (2011)
Steve L Reichow et al.
Nature structural & molecular biology, 20(9), 1085-1092 (2013-07-31)
Calmodulin (CaM) is a universal regulatory protein that communicates the presence of calcium to its molecular targets and correspondingly modulates their function. This key signaling protein is important for controlling the activity of hundreds of membrane channels and transporters. However
Calmodulin structure refined at 1.7
Chattopadhyaya R, et al.
Journal of molecular biology, 228(4), 1177-1192 (1992)
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