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MABN1783 Anti-HLA Class I Antigens Antibody, clone W6/32

Anti-HLA Class I Antigens Antibody, clone W6/32, Cat. No. MABN1783, targets HLA class I antigens and has been tested in Affinity Binding, Flow Cytometry, Immunoaffinity Purification, Immunohistochemistry, Immunoprecipitation, and Neutralization applications.

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Research Category: Neuroscience Research Sub-Category: Immunological Signaling Gene Symbol: HLA-A, HLAA, HLA-B, HLAB, HLA-C, HLAC, HLA-E, HLAE UniProt Number: P30443, Q96DW9, O19617, P13747
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MABN1783
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      Key Spec Table

      Species ReactivityKey ApplicationsHostFormatAntibody Type
      HIHC, FC, IAP, NEUT, IP, ABAMPurifiedMonoclonal Antibody
      Description
      Catalogue NumberMABN1783
      DescriptionAnti-HLA Class I Antigens Antibody, clone W6/32
      Alternate Names
      • HLA class I histocompatibility antigen, A alpha chain
      • MHC class I antigen A
      • HLA class I histocompatibility antigen, B alpha chain
      • MHC class I antigen B
      • HLA class I histocompatibility antigen, C alpha chain
      • MHC class I antigen C;HLA class I histocompatibility antigen, E alpha chain
      • MHC class I antigen E
      Background InformationMajor histocompatibility complexes (MHCs), also called human leukocyte antigens (HLAs) in human, are cell surface molecules that play a major part of the immune system in all vertebrates by determining histocompatibility. The main function of MHCs is to bind and present peptide fragments derived from pathogens on the surface of antigen presenting cells. MHCs are divided into three classes, class I MHCs are heterodimers composed of a transmembrane alpha chain and a common extracellular beta subunit. The alpha chain contains three domains (alpha1, alpha2, and alpha3), with the alpha1 domain mediating interaction with the beta2 subunit. The alpha1 and alpha2 domains form the antigen-binding groove. Class II MHCs are heterodimers of two single transmembrane chains, alpha and beta, each contains two domains, with the N-terminal alpha1 and beta1 domain from each chain forming the antigen-binding groove. Class III molecules include several secreted proteins with immune functions, including components of the complement system, cytokines, and heat shock proteins. Each human cell expresses six MHC class I alleles (one HLA-A, -B, and -C allele from each parent). Classical MHCs present antigens to the TCRs of CD8+ T lymphocytes. Nonclassical molecules (class IB MHC) exhibit limited polymorphism, expression patterns, and presented antigens. This group is subdivided into a group encoded within MHC loci (e.g. HLA-E, -F, -G) and those not (e.g. ULBPs, Rae1, and H60).
      References
      Product Information
      FormatPurified
      PresentationPurified mouse monoclonal antibody IgG2a in PBS without preservatives.
      Quality SegmentMQ100
      Applications
      ApplicationAnti-HLA Class I Antigens Antibody, clone W6/32, Cat. No. MABN1783, targets HLA class I antigens and has been tested in Affinity Binding, Flow Cytometry, Immunoaffinity Purification, Immunohistochemistry, Immunoprecipitation, and Neutralization applications.
      Key Applications
      • Immunohistochemistry
      • Flow Cytometry
      • Immunoaffinity Purification
      • Neutralizing
      • Immunoprecipitation
      • Affinity Binding Assay
      Application NotesFlow Cytometry Analysis: 0.2 µL from a representative lot detected surface HLA class I antigens among the gated lymphocyte population from one million human PMBCs.

      Affinity Binding Assay: A representative lot detected cell surface murine, rat, rabbit and guinea pig class I heavy chains upon association with bovine β2-microglobulin (β2-m), but not when associated with their respective autologous β2-m (Kahn-Perles, B., et al. (1987). J. Immunol. 138(7).2190-2196).

      Affinity Binding Assay: A representative lot determined the level of HLA class I (A, B, C) antigens on the surface of human B cell lines and peripheral blood lymphocytes (Parham, P., et al. (1979). J. Immunol. 123(1): 342-349).

      Affinity Binding Assay: A representative lot, pre-coupled to Sepharose beads, bound isolated HLA-A2 chain, but not isolated β2-microglobulin (β2-m). Pre-incubating HLA-A2 chain with β2-m enhanced the binding of HLA-A2 by clone W6/32 (Parham, P., et al. (1979). J. Immunol. 123(1): 342-349).

      Flow Cytometry Analysis: A representative lot detected an inducction of HLA class I antigen expression on the surface of ESTDAB-004 and ESTDAB-159 human melanoma cells following IFN-α, but not IFN-γ, treatment (Rodríguez, T., et al. (2007). BMC Cancer. 7:34).

      Flow Cytometry Analysis: Representative lots detected endogenous HLA-E on the surface of LCL721.221 human B lymphoblastoid cells, as well as exogenously expressed HLA-B on the surface of transfected LCL721.221 cells (Wooden, S.L., et al. (2005). J. Immunol. 175(3):1383-1387; Braud, V.M., et al. (1998). Curr. Biol. 8(1):1-10).

      Flow Cytometry Analysis: A representative lot detected the restoration of HLA class I antigen expression on the surface of UKRV-Mel-2b human melanoma cells following β2-microglobulin (β2-m) transfection (Paschen, A., et al. (2003). Int. J. Cancer. 103(6):759-767).

      Flow Cytometry Analysis: A representative lot detected HLA class I antigens on the surface of HEK293 cells. Surface HLA class I antigens level decreased upon exogenous expression of human adenovirus (Ad) E3/19K protein (Deryckere, F., and Burgert, H.G. (1996). J. Virol. 7(5):2832 2841).

      Immunoaffinity Purification: A representative lot was coupled to Sepharose beads and affinity purified soluble HLA polypeptides of ~34/12 kDa from papain-digested crude membrane preparations of Bri 8 cells that express HLA-A, -B, -C, -D antigens, but not from Daudi cells that only express HLA-D antigens (Parham, P., et al. (1979). J. Immunol. 123(1): 342-349).

      Immunohistochemistry Analysis: Representative lots detected HLA class I antigen-positive malignant tumor cells in frozen human carcinoma tissue sections (Cabrera, T., et al. (2000). Hum. Immunol. 61(5):499-506; Cordon-Cardo, C., et al. (1991). Cancer Res. 51(23 Pt 1):6372-6380).

      Immunohistochemistry Analysis: A representative lot immunostained stromal cells in acetone-fixed frozen iris sections from a patient with anterior uveitis (AU), but not in iris biopsy from a patient with senile cataract (Abi-Hanna, D., et al. (1989). Invest. Ophthalmol. Vis. Sci. 30(5):990-994).

      Immunoprecipitation Analysis: A representative lot immunoprecipitated HLA-E complexed with MRP7-derived peptide fragment from heat-shocked LCL721.221 human B lymphoblastoid cells (Wooden, S.L., et al. (2005). J. Immunol. 175(3):1383-1387).

      Immunoprecipitation Analysis: A representative lot co-immunoprecipitated exogenously expressed human adenovirus (Ad) E3/19K protein with endogenous HLA class I antigens from HEK293 transfectants (Deryckere, F., and Burgert, H.G. (1996). J. Virol. 7(5):2832 2841).

      Immunoprecipitation Analysis: A representative lot co-immunoprecipitated CD1a heavy chains with HLA class I antigens from cultured human thymocytes (Amiot, M., et al. (1988). Proc. Nati. Acad. Sci. U. S. A. 85(12):4451-4454).

      Immunoprecipitation Analysis: A representative lot immunoprecipitated HLA class I heavy and light chains from lysates of lymphocytes subjected to LPS stimulation in the presence of fetal bovine serum (FCS) as a source of bovine β2-microglobulin (Kahn-Perles, B., et al. (1987). J. Immunol. 138(7).2190-2196).

      Immunoprecipitation Analysis: Clone W6/32 immunoprecipitated the 43 kDa chains of HLA class I antigens (Barnstable, C.J., et al. (1978). Cell. 14(1):9-20).

      Neutralization Assay: A representative lot prevented HLA-B8 leader sequence-, MRP7-, and hsp60-derived peptides from inhibiting NKL killer cells-mediated lysis of LCL721.221 human B lymphoblastoid cells by blocking the peptides from binding LCL721.221 cell surface HLA-E (Wooden, S.L., et al. (2005). J. Immunol. 175(3):1383-1387).
      Biological Information
      ImmunogenMembrane from human tonsil lymphocyte preparations (Barnstable, C.J., et al. (1978). Cell. 14(1):9-20).
      CloneW6/32
      ConcentrationPlease refer to lot specific datasheet.
      HostMouse
      SpecificityClone W6/32 targets HLA classe I heavy chains (HLA-A, -B, -C, -E, and possibly -F) in a light chain-dependent manner, although clone W6/32 does not exhibit affinity toward isolated light chain (β2-microglobulin or β2-m). A tight interaction between β2-m residue 89 and some residues within the heavy chain second domain might be responsible for the formation of the W6/32 antigenic determinant which, however, is only expressed (or exposed) when β2-m cannot covalently bind to the heavy chain Cys121 (Kahn-Perles, B., et al. (1987). J. Immunol. 138(7).2190-2196). Cell surface MHC I molecules reconstituted with allele-specific peptides and recombinant human β2-m that contains a methionine at the N-terminus is not recognized by W6/32 (Shields, M.J., and Ribaudo, R.K. (1998). Tissue Antigens. 51(5):567-570). Clone W6/32 is reported to bind murine, rat, rabbit and guinea pig HLA class I heavy chains only when they are associated with bovine β2-m, but not with their respective autologous β2-m (Kahn-Perles, B., et al. (1987). J. Immunol. 138(7).2190-2196).
      IsotypeIgG2a
      Species Reactivity
      • Human
      Species Reactivity NoteHuman. Clone W6/32 is reported to bind murine, rat, rabbit and guinea pig HLA class I heavy chains only when they are associated with bovine β2-microglobulin (β2-m), but not with their respective autologous β2-m (Kahn-Perles, B., et al. (1987). J. Immunol. 138(7).2190-2196).
      Antibody TypeMonoclonal Antibody
      Entrez Gene Number
      Gene Symbol
      • HLA-A
      • HLAA
      • HLA-B
      • HLAB
      • HLA-C
      • HLAC
      • HLA-E
      • HLAE
      Purification MethodProtein G purified.
      UniProt Number
      Molecular Weight38.32 kDa (HLA-A; Uniprot P30443), 37.90 kDa (HLA-B; Uniprot Q96DW9), 38.14 kDa (HLA-C; Uniprot O19617), 37.92 kDa (HLA-E; Uniprot P13747) calculated based on the mature polymorphic forms specified by the UniProt IDs. ~43 kDa reported (Parham, P., et al. (1979). J. Immunol. 123(1): 342-349; Barnstable, C.J., et al. (1978). Cell. 14(1):9-20).
      Physicochemical Information
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssuranceEvaluated by Immunohistochemistry in human tonsil tissue.

      Immunohistochemistry Analysis: A 1:1,000 dilutioin of this antibody detected HLA class I antigens in acetone-fixed frozen human tonsil tissue sections.
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsStable for 1 year at -20°C from date of receipt.
      Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.
      Packaging Information
      Material Size100 µL
      Transport Information
      Supplemental Information
      Specifications
      Global Trade ITEM Number
      Bestellnummer GTIN
      MABN1783 04054839049637

      Documentation

      Anti-HLA Class I Antigens Antibody, clone W6/32 SDB

      Titel

      Sicherheitsdatenblatt (SDB) 

      Anti-HLA Class I Antigens Antibody, clone W6/32 Analysenzertifikate

      TitelChargennummer
      Anti-HLA Class I Antigens, -Q2735576 Q2735576
      Anti-HLA Class I Antigens, clone W6/32 - 3599018 3599018
      Anti-HLA Class I Antigens, clone W6/32 - 3678899 3678899
      Anti-HLA Class I Antigens, clone W6/32 - 3693144 3693144
      Anti-HLA Class I Antigens, clone W6/32 - 3790008 3790008
      Anti-HLA Class I Antigens, clone W6/32 - 3864364 3864364
      Anti-HLA Class I Antigens, clone W6/32 - 3998962 3998962
      Anti-HLA Class I Antigens, clone W6/32 - 4037946 4037946
      Anti-HLA Class I Antigens, clone W6/32 - 4134997 4134997
      Anti-HLA Class I Antigens, clone W6/32 - 4224976 4224976
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