APC anti-human CD28 Antibody, CD28, S20013B,BioLegend,377806

Clone S20013B antibody can completely block the binding of clone CD28.2 on target.Clone S20013B can partially block Clone S20013F on target.Clone S20013B can increase anti-CD3 induced human peripheral T-cell proliferation.Clone S20013B is a superagonistic antibody raised towards human CD28, and can induce activation, proliferation of human peripheral T cells without anti-CD3 stimulation.

Host

Mouse

Reactivity

Human

Application

FC - Quality tested

Platform ID

BAB572781928

BioLegend

Headquarters

8999 BioLegend Way San Diego, CA 92121 United States

Contact

Tel: 1-858-455-9588
Fax: +49 (4131) 7023913

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Product Specifications
Scientific Background

Specifications

NameAPC anti-human CD28 Antibody, CD28, S20013B
Cat. No.377806
HostMouse
RRIDAB_2927899 (BioLegend Cat. No. 377805)AB_2927899 (BioLegend Cat. No. 377806)
IsotypeMouse IgG1, κ
ReactivityHuman
ApplicationFC - Quality tested
ClonalityMonoclonal
Clone NumberS20013B
ConcentrationLot-specific (to obtain lot-specific concentration and expiration, please enter the lot number in ourCertificate of Analysisonline tool.)
TargetCD28
ImmunogenHuman CD28 transfected cells
PurityThe antibody was purified by affinity chromatography and conjugated with APC under optimal conditions.
FormulationPhosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA)
StorageThe antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light.Do not freeze.
Regulatory StatusResearch Use Only

Scientific Background

CD28 is a 44 kD disulfide-linked homodimeric type I glycoprotein. It is a member of the immunoglobulin superfamily and is also known as T44 or Tp44. CD28 is expressed on most T lineage cells, NK cell subsets, and plasma cells. CD28 binds both CD80 and CD86 using a highly conserved motif MYPPY in the CDR3-like loop. CD28 is considered a major co-stimulatory molecule, inducing T lymphocyte activation and IL-2 synthesis, and preventing cell death.In vitrostudies indicate that ligation of CD28 on T cells by CD80 and CD86 on antigen presenting cells provides a costimulatory signal required for T cell activation and proliferation.

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