HLA-DQ Antibody (MHC II)

SKU: orb749563

Description

Recognizes a DQ antigen, which is a dimer of 60kDa. The 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 alpha chain is approximately 33-35kDa. It is encoded by 5 exons; exon 1 encodes the leader peptide, exons 2 and 3 encode the two extracellular domains, and exon 4 encodes the transmembrane domain and 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.

Research Area

Epigenetics, Immunology

Images & Validation

• Tested Applications: FACS, IF
• Dilution Range: Flow cytometry: 1-2ug/million cells,Immunofluorescence: 1-2ug/ml
• Reactivity: Human
• Application Notes:
  Optimal dilution of the HLA-DQ antibody should be determined by the researcher.

Key Properties

• Antibody Type: Primary Antibody
• Host: Mouse
• Clonality: Monoclonal
• Isotype: Mouse IgG2a, kappa
• Clone No.: SPV-L3
• Immunogen: The T4-positive CTL clone HG-38 was used as the immunogen for the HLA-DQ antibody.
• Purification: Protein G affinity chromatography
• Conjugation: Unconjugated

Storage & Handling

• Storage: Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
• Buffer/Preservatives: 0.2 mg/ml in 1X PBS with 0.1 mg/ml rAlbumin and 0.05% sodium azide
• Expiration Date: 12 months from date of receipt.
• Disclaimer: For research use only

Flow cytometry testing of human Raji cells with HLA-DQ antibody (clone SPV-L3); Red = isotype control, Blue = HLA-DQ antibody.

SDS-PAGE analysis of purified, BSA-free HLA-DQ antibody (clone SPV-L3) as confirmation of integrity and purity.

Quick Database Links

UniProt

P01920, P01908, P01909