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Key Documents

SAB1403712

Sigma-Aldrich

Monoclonal Anti-CTLA4 antibody produced in mouse

clone 2F1, purified immunoglobulin, buffered aqueous solution

Synonym(s):

CD152, CELIAC3, CTLA-4, GSE, IDDM12

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

Quality Level

conjugate

unconjugated

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

2F1, monoclonal

form

buffered aqueous solution

mol wt

antigen ~37.11 kDa

species reactivity

human

technique(s)

capture ELISA: suitable
immunofluorescence: suitable
indirect ELISA: suitable
western blot: 1-5 μg/mL

isotype

IgG2aκ

NCBI accession no.

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... CTLA4(1493)

General description

The CTLA4 (cytotoxic T lymphocyte associated-4) gene is mapped to human chromosome 2q33. It is a glycoprotein found on T-cells and is homologous to CD28 (Cluster of Differentiation 28) at the juxtamembrane and cytoplasmic regions.

Immunogen

CTLA4 (NP_005205, 36 a.a. ~ 135 a.a) partial recombinant protein with GST tag. MW of the GST tag alone is 26 KDa.

Sequence
KAMHVAQPAVVLASSRGIASFVCEYASPGKATEVRVTVLRQADSQVTEVCAATYMMGNELTFLDDSICTGTSSGNQVNLTIQGLRAMDTGLYICKVELMY

Biochem/physiol Actions

The CTLA4 (cytotoxic T lymphocyte associated-4) gene encodes a membrane receptor on cytotoxic T-cells that functions in T-cell apoptosis. It is a strong inhibitor of T-cell activation. It may be associated with type 1 diabetes. The gene has been identified as a susceptibility locus for Graves′ disease. It may be involved in the pathogenesis of autoimmune disorders.

Physical form

Solution in phosphate buffered saline, pH 7.4

Disclaimer

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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Storage Class Code

10 - Combustible liquids

WGK

WGK 1

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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CTLA-4 is a second receptor for the B cell activation antigen B7.
Linsley P S, et al.
The Journal of Experimental Medicine, 174(3), 561-569 (1991)
The development of Graves? disease and the CTLA-4 gene on chromosome 2q33.
Heward J M, et al.
The Journal of Clinical Endocrinology and Metabolism, 84(7), 2398-2401 (1999)
The CTLA-4 gene region of chromosome 2q33 is linked to, and associated with, type 1 diabetes.
Nistico L, et al.
Human Molecular Genetics, 5(7), 1075-1080 (1996)

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