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SRP4809

Sigma-Aldrich

Calretinin from mouse

recombinant, expressed in E. coli, ≥90% (SDS-PAGE), ≥90% (HPLC)

Synonym(s):

CR, Calb2, Calretinin, calbindin 2

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About This Item

UNSPSC Code:
12352202

biological source

mouse

recombinant

expressed in E. coli

assay

≥90% (HPLC)
≥90% (SDS-PAGE)

form

solution

mol wt

~57 kDa

packaging

pkg of 5 μg

storage condition

avoid repeated freeze/thaw cycles

impurities

endotoxin, tested

NCBI accession no.

shipped in

dry ice

storage temp.

−70°C

Gene Information

mouse ... Calb2(12308)

General description

Calretinin is a Ca2+-binding protein. It belongs to the EF-hand family. This gene is upregulated in reactive mesothelial cells and in malignant mesothelioma.
Recombinant mouse Calretinin protein is expressed from Escherichia coli and purified by proprietary chromatographic techniques.

Biochem/physiol Actions

Calretinin is widely distributed in the brain and might be responsible for neural protection. It regulates calcium signaling in neurons. Absence of calretinin in mice negatively affects long-term potentiation, motor coordination and Purkinje cell activity.

Physical form

50 ml (100 μg/ml) in 50 mM Tris-Acetate, pH 7.5, 1 mM EDTA, 20% Glycerol.

Reconstitution

Centrifuge the vial prior to opening. Avoid freeze-thaw cycles.

Storage Class

10 - Combustible liquids

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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Calretinin interacts with huntingtin and reduces mutant huntingtin-caused cytotoxicity.
Dong G, et al.
Journal of Neurochemistry, 123, 437-437 (2012)
Calretinin regulates Ca2+-dependent inactivation and facilitation of Ca(v)2.1 Ca2+ channels through a direct interaction with the a12.1 subunit.
Christel CJ, et al.
The Journal of Biological Chemistry, 287, 39766-39766 (2012)
Ayman Alzu'bi et al.
Frontiers in neuroanatomy, 14, 61-61 (2020-09-29)
Secretagogin (SCGN) which acts as a calcium signaling sensor, has previously been shown to be expressed by a substantial population of cortical GABAergic neurons at mid-gestation in humans but not in mice. The present study traced SCGN expression in cortical
Walter Blum et al.
Respiratory research, 16, 153-153 (2015-12-24)
The Ca(2+)-binding protein calretinin is currently used as a positive marker for identifying epithelioid malignant mesothelioma (MM) and reactive mesothelium, but calretinin's likely role in mesotheliomagenesis remains unclear. Calretinin protects immortalized mesothelial cells in vitro from asbestos-induced cytotoxicity and thus
Jonathan D Day-Brown et al.
The Journal of comparative neurology, 525(6), 1403-1420 (2016-03-15)
The tree shrew (Tupaia belangeri) striate cortex is reciprocally connected with the dorsal lateral geniculate nucleus (dLGN), the ventral pulvinar nucleus (Pv), and the claustrum. In the Pv or the dLGN, striate cortex projections are thought to either strongly "drive"

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