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Key Documents

C0743

Sigma-Aldrich

Anti-Calsequestrin-1 (N-terminal) antibody produced in rabbit

affinity isolated antibody

Synonyme(s) :

Anti-CALMITINE, Aspartactin, CASQ1, Calsequestrin- skeletal muscle isoform

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About This Item

Numéro MDL:
Code UNSPSC :
12352203
Nomenclature NACRES :
NA.44

Source biologique

rabbit

Conjugué

unconjugated

Forme d'anticorps

affinity isolated antibody

Type de produit anticorps

primary antibodies

Clone

polyclonal

Forme

buffered aqueous solution

Poids mol.

antigen ~60 kDa

Espèces réactives

rat, mouse, bovine (predicted), human (predicted)

Concentration

~1.0 mg/mL

Technique(s)

western blot: 0.5-1 μg/mL using extract of rat skeletal muscle S1 fraction

Numéro d'accès UniProt

Conditions d'expédition

dry ice

Température de stockage

−20°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... CASQ1(844)
mouse ... Casq1(12372)

Immunogène

synthetic peptide corresponding to amino acids 28-45 located near the N-terminus of mouse calsequestrin-1, conjugated to KLH. This sequence is identical in rat and highly conserved in human and bovine calsequestrin-1 (two amino acid substitution). This sequence is not found in calsequestrin-2.

Application

Anti-Calsequestrin-1 (N-terminal) antibody produced in rabbit is suitable for western blotting at a concentration of 0.5-1μg/mL using extracts of rat skeletal muscle S1 fraction.

Actions biochimiques/physiologiques

Calsequestrin (CS) is a calcium-binding protein in the sarcoplasmic reticulum (SR). It is known as CSQ and PDIB1. The gene belongs to calsequestrin protein family. Calsequestrin-1 is a putative auto-antigen associated with eye muscle inflammation in Graves′ disease. Calsequestrin-2 (55 kDa) is found in the SR′s terminal cisternae luminal space of cardiac, slow skeletal muscle cells and may be in platelets. The major Ca2+ binding protein in cardiac and skeletal muscle is a high-capacity, low-affinity Ca2+ binding glycoprotein, which functions as an internal Ca2+ store in the lumen of the SR. It helps in controlling the smooth-muscle contraction.

Description de la cible

Calsequestrin (CS also known as CSQ), the major Ca2+ binding protein in cardiac and skeletal muscle, is a high-capacity, low-affinity Ca2+ binding glycoprotein, which functions as an internal Ca2+ store in the lumen of the SR. In mammalians, two forms of the protein are found, calsequestrin-1 (CASQ-1) and calsequestrin-2 (CASQ-2), which encode the fast-twitch skeletal muscle and cardiac calsequestrin, respectively. Calsequestrin-1 is found in the SRs terminal cisternae luminal space of fast skeletal muscle cells. Calsequestrin-1 is a putative autoantigen associated with eye muscle inflammation in Graves′ disease.

Forme physique

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Clause de non-responsabilité

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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Consulter la Bibliothèque de documents

T Soukup et al.
Physiological research, 61(6), 575-586 (2012-10-27)
We have investigated expression of skeletal calsequestrin (CSQ1) and fiber type composition in normal and regenerated fast and slow skeletal muscles and in the left heart ventricles of euthyroid (EU), hypothyroid (HY) and hyperthyroid (TH) adult inbred Lewis strain rats.
A 63 kDa skeletal muscle protein associated with eye muscle inflammation in Graves' disease is identified as the calcium binding protein calsequestrin.
Gunji K, Kubota S, Stolarski C, Wengrowicz S, Kennerdell JS, Wall JR.
Autoimmunity null
A O Jorgensen et al.
The Journal of cell biology, 98(4), 1597-1602 (1984-04-01)
Localization of calsequestrin in chicken ventricular muscle cells was determined by indirect immunofluorescence and immuno-Protein A-colloidal gold labeling of cryostat and ultracryotomy sections, respectively. Calsequestrin was localized in the lumen of peripheral junctional sarcoplasmic reticulum, as well as in the
B Gopinath et al.
Clinical and experimental immunology, 145(1), 56-62 (2006-06-24)
We have identified several eye muscle antigens and studied the significance of the corresponding serum autoantibodies in patients with Graves' disease. Of these antigens, only calsequestrin is expressed more in eye muscle than other skeletal muscles, which could explain at
Barbara Mosca et al.
The Journal of biological chemistry, 291(28), 14555-14565 (2016-05-18)
We exploited a variety of mouse models to assess the roles of JP45-CASQ1 (CASQ, calsequestrin) and JP45-CASQ2 on calcium entry in slow twitch muscles. In flexor digitorum brevis (FDB) fibers isolated from JP45-CASQ1-CASQ2 triple KO mice, calcium transients induced by

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