Background:

Engagement of CD28 by B7-1 (CD80) or B7-2 (CD86) in the presence of antigen promotes T cell proliferation, cytokine production, differentiation of effector T cells, and the induction of Bcl-x, a promoter of T cell survival. Conversely, engagement of CTLA4 by B7-1 or B7-2 may inhibit proliferation and IL-2 production. Pdcd-1L1 (programmed cell death ligand-1), also known as B7-H1 or PD-L1, is 290 amino acid type I transmembrane protein which is 20% and 15% identical to B7-1 and B7-2, respectively. Pdcd-1L2 has immunoglobulin V-like and C-like domains and a 30 amino acid cytoplasmic tail. It does not bind CD28, cytotoxic T-lymphocyte A4 or ICOS (inducible co-stimulator). IL-2, although produced in small amounts, is required for the effect of Pdcd-1L1 co-stimulation. The gene which encodes Pdcd-1L1 maps to human chromosome 9p24. Pdcd-1L2 (programmed cell death ligand-2) is a 73 amino acid protein which contains a signal sequence, IgV- and IgC-like domains, a transmembrane region and a cytoplasmic region. The gene which encodes Pdcd-1L2 maps to human chromosome 9p24.2. The constitutive expression of Pdcd-1L1 and Pdcd-1L2 on paren-chymal cells of heart, lung and kidney suggests that the Pdcd-1-Pdcd-L system could provide unique negative signaling to help prevent autoimmune disease.

Specificity:

PD-L1 polyclonal antibody detects endogenous levels of PD-L1 protein.

Alternative names:

PD-L1, PDCD1 ligand 1, Programmed death ligand 1, B7-H1, CD274, B7 H, B7 H1, B7 homolog 1, B7-H1, B7H, B7H1, CD 274, CD274, CD274 antigen, CD274 molecule, MGC142294, MGC142296, OTTHUMP00000021029, PD L1, PD-L1, PD1L1, PDCD1 ligand 1, PDCD1L1, PDCD1LG1, PDL 1, PDL1, Programmed cell death 1 ligand 1, Programmed death ligand 1, RGD1566211,

Species reactivity:

Human, Mouse, Rat

Host:

Rabbit

Ig type:

Rabbit IgG, 1mg/ml in PBS with 0.02% sodium azide, 50% glycerol, pH7.2

Immunogen:

recombinant protein

Purification & Purity:

ProA affinity purified

Molecular weight:

~ 45 kDa

Applications:

WB IHC

Usage:

WB:1:500~1:1000 IHC:1:50~1:200

Storage:

Store at 4°C after thawing. Aliquot store at -20°C or -80°C. Avoid repeated freeze / thaw cycles.

Precautions:

For research use only, not for use in diagnostic procedure.

More info:

Email: info@sobekbio.com

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