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Merck

CALR

calreticulin

Sinónimos:
CRT, RO, SSA, cC1qR
Especie:
ID UniProtKB:
ID del gen:
  • Human(811) Summary: Calreticulin is a multifunctional protein that acts as a major Ca(2+)-binding (storage) protein in the lumen of the endoplasmic reticulum. It is also found in the nucleus, suggesting that it may have a role in transcription regulation. Calreticulin binds to the synthetic peptide KLGFFKR, which is almost identical to an amino acid sequence in the DNA-binding domain of the superfamily of nuclear receptors. Calreticulin binds to antibodies in certain sera of systemic lupus and Sjogren patients which contain anti-Ro/SSA antibodies, it is highly conserved among species, and it is located in the endoplasmic and sarcoplasmic reticulum where it may bind calcium. The amino terminus of calreticulin interacts with the DNA-binding domain of the glucocorticoid receptor and prevents the receptor from binding to its specific glucocorticoid response element. Calreticulin can inhibit the binding of androgen receptor to its hormone-responsive DNA element and can inhibit androgen receptor and retinoic acid receptor transcriptional activities in vivo, as well as retinoic acid-induced neuronal differentiation. Thus, calreticulin can act as an important modulator of the regulation of gene transcription by nuclear hormone receptors. Systemic lupus erythematosus is associated with increased autoantibody titers against calreticulin but calreticulin is not a Ro/SS-A antigen. Earlier papers referred to calreticulin as an Ro/SS-A antigen but this was later disproven. Increased autoantibody titer against human calreticulin is found in infants with complete congenital heart block of both the IgG and IgM classes. [provided by RefSeq, Jul 2008]
  • Mouse(12317) calreticulin
  • Rat(64202) calreticulin
  • Domestic Rabbit(100009050) calreticulin
  • Zebrafish(100332662) calreticulin
  • domestic cat(101087384) calreticulin
  • domestic guinea pig(100713922) calreticulin
  • cow(281036) calreticulin
  • dog(476694) calreticulin
  • naked mole-rat(101719263) calreticulin
  • Zebrafish(30248) calreticulin
  • sheep(101104396) calreticulin

Custom & Knockdown Gene Products

Antibodies

Número de producto
Descripción
Reactividad de especies
Aplicación
Anti-Calreticulin Antibody, clone 1F16 ZooMAb® Rabbit Monoclonal, recombinant, expressed in HEK 293 cells,
Reactividad de especies
horse, human, monkey, mouse, rat
Aplicación
affinity binding assay
immunocytochemistry

western blot
Anti-Calreticulin Antibody, clone 16B11.1, clone 16B11.1, from mouse,
Reactividad de especies
human
Aplicación
flow cytometry
immunohistochemistry

western blot
Anti- Calreticulin antibody produced in rabbit, ,
Reactividad de especies
human, mouse, rat
Aplicación
western blot
Anti-Calreticulin Antibody, Upstate®, from rabbit,
Reactividad de especies
xenopus, bovine, human, mouse, pig, rat
Aplicación
immunocytochemistry
immunohistochemistry

western blot
Anti-Calreticulin Antibody, clone 7T5B2, Rabbit Monoclonal, ,
Reactividad de especies
human, rat
Aplicación
immunohistochemistry
immunoprecipitation (IP)

western blot

Proteins

Número de producto
Descripción
Especie
LentiBrite Calreticulin-RFP-KDEL Lentiviral Biosensor, ,
Especie
human

esiRNA

Número de producto
Descripción
Especie
MISSION® esiRNA, targeting mouse Calr,
Especie
mouse
MISSION® esiRNA, targeting human CALR,
Especie
human