Anti-HLA-DQB1 Antibody Picoband™

Product Name

Anti-HLA-DQB1 Antibody Picoband™

View all HLA-DQB1 Antibodies

SKU/Catalog Number

A00106-1

Size

100 μg/vial

Form

Lyophilized

Description

Boster Bio Anti-HLA-DQB1 Antibody Picoband™ catalog # A00106-1. Tested in IF, ICC, 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-HLA-DQB1 Antibody Picoband™ (Boster Biological Technology, Pleasanton CA, USA, Catalog # A00106-1)

Host

Rabbit

Contents

Each vial contains 4mg Trehalose, 0.9mg NaCl, 0.2mg Na₂HPO₄, 0.05mg NaN₃.

Clonality

Polyclonal

Isotype

Rabbit IgG

Immunogen

A synthetic peptide corresponding to a sequence in the middle region of human HLA-DQB1.

*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

A00106-1 is reactive to HLA-DQB1 in Human

Applications

A00106-1 is guaranteed for IF, ICC, WB Boster Guarantee

Observed Molecular Weight

30 kDa

Calculated molecular weight

29.991kDa

Background of HLA-DQB1

Major histocompatibility complex, class II, DQ beta 1, also known as HLA-DQB1, is a human gene and also denotes the genetic locus that contains this gene. HLA-DQB1 belongs to the HLA class II beta chain paralogs. This class II molecule is a heterodimer consisting of an alpha (DQA) and a beta chain (DQB), both anchored in the membrane. It plays a central role in the immune system by presenting peptides derived from extracellular proteins. Class II molecules are expressed in antigen presenting cells (APC: B lymphocytes, dendritic cells, macrophages). The beta chain is approximately 26-28 kDa and it contains six exons. Exon 1 encodes the leader peptide, exons 2 and 3 encode the two extracellular domains, exon 4 encodes the transmembrane domain and exon 5 encodes the cytoplasmic tail. Within the DQ molecule both the alpha chain and the beta chain contain the polymorphisms specifying the peptide binding specificities, resulting in up to four different molecules. Typing for these polymorphisms is routinely done for bone marrow transplantation. Alternative splicing results in multiple transcript variants.

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
Immunocytochemistry/Immunofluorescence, 5μg/ml

Validation Images & Assay Conditions

Click image to see more details

Figure 1. Western blot analysis of HLA-DQB1 using anti-HLA-DQB1 antibody (A00106-1).
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: human SK-OV-3 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-HLA-DQB1 antigen affinity purified polyclonal antibody (Catalog # A00106-1) 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 HLA-DQB1 at approximately 30KD. The expected band size for HLA-DQB1 is at 30KD.

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Figure 2. IF analysis of HLA-DQB1 using anti-HLA-DQB1 antibody (A00106-1).
HLA-DQB1 was detected in immunocytochemical section of MCF-7 cells. Enzyme antigen retrieval was performed using IHC enzyme antigen retrieval reagent (AR0022) for 15 mins. The cells were blocked with 10% goat serum. And then incubated with 5μg/mL rabbit anti-HLA-DQB1 Antibody (A00106-1) overnight at 4°C. DyLight®488 Conjugated Goat Anti-Rabbit IgG (BA1127) was used as secondary antibody at 1:100 dilution and incubated for 30 minutes at 37°C. The section was counterstained with DAPI. Visualize using a fluorescence microscope and filter sets appropriate for the label used.

Gene/Protein Information For HLA-DQB1 (Source: Uniprot.org, NCBI)

Alternative Names

CELIAC1; DC1; HLA class II histocompatibility antigen, DQ beta 1 chain; HLA-DQB; IDDM1; LB-E12; MB1; MHC class II antigen DQB1; MHC class II antigen HLA-DQ-beta-1; MHC class II DQ beta chain; MHC class II HLA-DQ beta glycoprotein; MT1 HLA-DQB1 CELIAC1, HLA-DQB, IDDM1 major histocompatibility complex, class II, DQ beta 1 HLA class II histocompatibility antigen, DQ beta 1 chain|MHC class II DQ beta chain|MHC class II HLA-DQ beta glycoprotein|MHC class II antigen DQB1|MHC class II antigen HLA-DQ-beta-1

For more info on HLA-DQB1, check out the HLA-DQB1 Infographic

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In this infographic, you will see the following information for HLA-DQB1: 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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