Anti-PD-L1/B7-H1/CD274 Antibody Picoband™

Product Name

Anti-PD-L1/B7-H1/CD274 Antibody Picoband™

View all PD-L1 Antibodies

SKU/Catalog Number

A00109

Size

100 μg/vial

Form

Lyophilized

Description

Boster Bio Anti-PD-L1/B7-H1/CD274 Antibody Picoband™ catalog # A00109. Tested in WB applications. This antibody reacts with Human.

Storage & Handling

Store at -20˚C for one year from date of receipt. After reconstitution, at 4˚C for one month. It can also be aliquotted and stored frozen at -20˚C for six months. Avoid repeated freeze-thaw cycles.

Cite This Product

Anti-PD-L1/B7-H1/CD274 Antibody Picoband™ (Boster Biological Technology, Pleasanton CA, USA, Catalog # A00109)

Host

Rabbit

Contents

Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.

Clonality

Polyclonal

Isotype

Rabbit IgG

Immunogen

A synthetic peptide corresponding to a sequence at the N-terminus of human PD-L1/B7-H1, different from the related mouse sequence by ten amino acids.

*Blocking peptide can be purchased. Costs vary based on immunogen length. Contact us for pricing.

Cross-reactivity

No cross-reactivity with other proteins.

Reactive Species

A00109 is reactive to CD274 in Human

Applications

A00109 is guaranteed for WB Boster Guarantee

Observed Molecular Weight

62 kDa

Calculated molecular weight

33.275kDa

Background of PD-L1

Programmed death-ligand 1 (PD-L1), also known as CD274 or B7-H1, is a protein that in humans is encoded by the CD274 gene. It is mapped to 9p24.1. PD-L1 is a 40kDa type 1 transmembrane protein that has been speculated to play a major role in suppressing the immune system during particular events such as pregnancy, tissue allografts, autoimmune disease and other disease states such as hepatitis. It has been concluded that upregulation of PD-L1 on tumor MDCs downregulates T-cell immunity and that PD-L1 blockade may represent an approach for cancer immunotherapy. Additionally, PD-L1 can provide positive costimulatory signals for innate and adaptive immunity and for protection against intracellular bacterial infection. What’s more, it has been found that PD1/PDL1 pathway may be a good target for restoring antitumor immunity in ovarian cancer.

Antibody Validation

Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.

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Reconsitution

Add 0.2ml of distilled water will yield a concentration of 500ug/ml.

Assay Dilutions Recommendation

The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.

Western blot, 0.1-0.5μg/ml, Human

Validation Images & Assay Conditions

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Figure 1. Western blot analysis of PD-L1/B7-H1 using anti-PD-L1/B7-H1 antibody (A00109).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 50ug of sample under reducing conditions.
Lane 1: HELA whole cell lysates.
After Electrophoresis, proteins were transferred to a Nitrocellulose membrane at 150mA for 50-90 minutes. Blocked the membrane with 5% Non-fat Milk/ TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-PD-L1/B7-H1 antigen affinity purified polyclonal antibody (Catalog # A00109) at 0.5 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:10000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for PD-L1/B7-H1 at approximately 62KD. The expected band size for PD-L1/B7-H1 is at 33KD.

Gene/Protein Information For CD274 (Source: Uniprot.org, NCBI)

Alternative Names

B7-H; B7H1; B7-H1; B7H1PDCD1L1; CD274 antigenMGC142294; CD274 molecule; CD274; PDCD1L1; PDCD1LG1; PDCD1LG1MGC142296; PDL1; PD-L1; PD-L1B7 homolog 1; PDL1PDCD1 ligand 1; programmed cell death 1 ligand 1; Programmed death ligand 1 CD274 B7-H, B7H1, PD-L1, PDCD1L1, PDCD1LG1, PDL1, hPD-L1 CD274 molecule programmed cell death 1 ligand 1|B7 homolog 1|CD274 antigen|PDCD1 ligand 1

For more info on CD274, check out the CD274 Infographic

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In this infographic, you will see the following information for CD274: database IDs, superfamily, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post-translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact [email protected].

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