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C4874

Sigma-Aldrich

Calmodulin bovine

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

Synonym(s):

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

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About This Item

MDL number:
MFCD00131869
UNSPSC Code:
12352202
NACRES:
NA.26

biological source

bovine

Quality Level

200

recombinant

expressed in E. coli

assay

≥98% (SDS-PAGE)

form

lyophilized powder

mol wt

Mw 19000.9 by amino acid sequence

composition

Protein, ≥85%

UniProt accession no.

P62157

storage temp.

−20°C

Gene Information

bovine ... CALM(100297344)

Related Categories

General description

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.

Biochem/physiol Actions

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.

Physical properties

Sequence:
MGSSHHHHHHSSGLVPRGSHMADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTAK

Preparation Note

Produced using animal component-free materials.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Phosphorylation-dependent feedback inhibition of RIG-I by DAPK1 identified by kinome-wide siRNA screening
Willemsen J, et al.
Molecular Cell, 65(3), 403-415 (2017)
Calmodulin structure refined at 1.7
Chattopadhyaya R, et al.
Journal of molecular biology, 228(4), 1177-1192 (1992)
Structure and mechanism of calmodulin binding to a signaling sphingolipid reveal new aspects of lipid-protein interactions
Kovacs E, et al.
Faseb Journal, 24(10), 3829-3839 (2010)
Intraprotein electron transfer between the FMN and heme domains in endothelial nitric oxide synthase holoenzyme.
Feng C., et al
Biochimica et Biophysica Acta (2011)
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)
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