Recombinant Anti-HLA-DPB1 antibody [SP229] - BSA and Azide free (ab246351)
Key features and details
- Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
- Rabbit monoclonal [SP229] to HLA-DPB1 - BSA and Azide free
- Suitable for: ICC/IF, WB, Flow Cyt (Intra), IHC-P
- Reacts with: Human
Related conjugates and formulations
Overview
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Product name
Anti-HLA-DPB1 antibody [SP229] - BSA and Azide free
See all HLA-DPB1 primary antibodies -
Description
Rabbit monoclonal [SP229] to HLA-DPB1 - BSA and Azide free -
Host species
Rabbit -
Tested applications
Suitable for: ICC/IF, WB, Flow Cyt (Intra), IHC-Pmore details -
Species reactivity
Reacts with: Human -
Immunogen
Synthetic peptide. This information is proprietary to Abcam and/or its suppliers.
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Positive control
- IHC-P: Human tonsil tissue; Flow Cyt (intra): Ramos cells; ICC: Ramos cells.
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General notes
ab246351 is the carrier-free version of ab227676.
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. The carrier-free buffer and high concentration allow for increased conjugation efficiency.
This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.
Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with <1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.
This product is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar® is a trademark of Fluidigm Canada Inc.
This product is a recombinant monoclonal antibody, which offers several advantages including:
- - High batch-to-batch consistency and reproducibility
- - Improved sensitivity and specificity
- - Long-term security of supply
- - Animal-free production
This product is FOR RESEARCH USE ONLY. For commercial use, please contact partnerships@abcam.com.
Properties
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Form
Liquid -
Storage instructions
Shipped at 4°C. Store at +4°C. Do Not Freeze. -
Storage buffer
pH: 7.20
Constituent: PBS -
Carrier free
Yes -
Concentration information loading...
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Purity
Protein A/G purified -
Purification notes
Purified from TCS by Protein A/G. -
Clonality
Monoclonal -
Clone number
SP229 -
Isotype
IgG -
Research areas
Associated products
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Alternative Versions
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Compatible Secondaries
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Conjugation kits
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Isotype control
Applications
The Abpromise guarantee
Our Abpromise guarantee covers the use of ab246351 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
Application | Abreviews | Notes |
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ICC/IF |
Use at an assay dependent concentration.
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WB |
Use at an assay dependent concentration. Predicted molecular weight: 29 kDa.
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Flow Cyt (Intra) |
Use at an assay dependent concentration.
Primary antibody incubation for 10 minutes at 4oC |
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IHC-P |
Use at an assay dependent concentration. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol.
Primary antibody incubation for 10 minutes at room temperature.
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Notes |
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ICC/IF
Use at an assay dependent concentration. |
WB
Use at an assay dependent concentration. Predicted molecular weight: 29 kDa. |
Flow Cyt (Intra)
Use at an assay dependent concentration. Primary antibody incubation for 10 minutes at 4oC |
IHC-P
Use at an assay dependent concentration. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol. Primary antibody incubation for 10 minutes at room temperature.
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Target
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Function
Binds peptides derived from antigens that access the endocytic route of antigen presenting cells (APC) and presents them on the cell surface for recognition by the CD4 T-cells. The peptide binding cleft accommodates peptides of 10-30 residues. The peptides presented by MHC class II molecules are generated mostly by degradation of proteins that access the endocytic route, where they are processed by lysosomal proteases and other hydrolases. Exogenous antigens that have been endocytosed by the APC are thus readily available for presentation via MHC II molecules, and for this reason this antigen presentation pathway is usually referred to as exogenous. As membrane proteins on their way to degradation in lysosomes as part of their normal turn-over are also contained in the endosomal/lysosomal compartments, exogenous antigens must compete with those derived from endogenous components. Autophagy is also a source of endogenous peptides, autophagosomes constitutively fuse with MHC class II loading compartments. In addition to APCs, other cells of the gastrointestinal tract, such as epithelial cells, express MHC class II molecules and CD74 and act as APCs, which is an unusual trait of the GI tract. To produce a MHC class II molecule that presents an antigen, three MHC class II molecules (heterodimers of an alpha and a beta chain) associate with a CD74 trimer in the ER to form a heterononamer. Soon after the entry of this complex into the endosomal/lysosomal system where antigen processing occurs, CD74 undergoes a sequential degradation by various proteases, including CTSS and CTSL, leaving a small fragment termed CLIP (class-II-associated invariant chain peptide). The removal of CLIP is facilitated by HLA-DM via direct binding to the alpha-beta-CLIP complex so that CLIP is released. HLA-DM stabilizes MHC class II molecules until primary high affinity antigenic peptides are bound. The MHC II molecule bound to a peptide is then transported to the cell membrane surface. In B-cells, the interaction between HLA-DM and MHC class II molecules is regulated by HLA-DO. Primary dendritic cells (DCs) also to express HLA-DO. Lysosomal microenvironment has been implicated in the regulation of antigen loading into MHC II molecules, increased acidification produces increased proteolysis and efficient peptide loading. -
Sequence similarities
Belongs to the MHC class II family.
Contains 1 Ig-like C1-type (immunoglobulin-like) domain. -
Cellular localization
Cell membrane. Endoplasmic reticulum membrane. Golgi apparatus, trans-Golgi network membrane. Endosome membrane. Lysosome membrane. The MHC class II complex transits through a number of intracellular compartments in the endocytic pathway until it reaches the cell membrane for antigen presentation. - Information by UniProt
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Database links
- Entrez Gene: 3115 Human
- SwissProt: P04440 Human
- Unigene: 485130 Human
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Alternative names
- beta1 domain MHC class II HLA DPB antibody
- class II histocompatibility antigen, DP(W4) beta chain antibody
- class II HLA beta chain antibody
see all
Images
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Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of Human tonsil tissue sections labeling HLA-DPB1 with ab227676 at 1/100 dilution (1.10 µg/ml). Heat mediated antigen retrieval was performed Heat mediated antigen retrieval with sodium citrate buffer (pH 6.0, epitope retrieval solution 1) for 20 mins. Rabbit specific IHC polymer detection kit HRP/DAB (ab209101) was used as the secondary antibody. Negative control: PBS instead of the primary antibody. Hematoxylin was used as a counterstain.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab227676) -
Immunocytochemistry/ Immunofluorescence analysis of Ramos (human Burkitt's lymphoma B lymphocyte) cells labeling HLA-DPB1 with purified ab227676 at 1/10 (10 µg/ml). Cells were fixed in 100% Methanol and permeabilized with None. Cells were counterstained with ab195889 Anti-alpha Tubulin antibody [DM1A] - Microtubule Marker (Alexa Fluor® 594) 1/200 (2.5 µg/ml). Goat anti rabbit IgG (Alexa Fluor® 488, ab150077) was used as the secondary antibody at 1/1000 (2 µg/ml) dilution. DAPI (blue) was used as nuclear counterstain. PBS instead of the primary antibody was used as the secondary antibody only control.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab227676).
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Intracellular Flow Cytometry analysis of Ramos (Human Burkitt's lymphoma B lymphocyte) cells labeling HLA-DPB1 with purified ab227676 at 1/20 dilution (5.5µg/ml) (red). Cells were fixed with 4% paraformaldehyde and permeabilised with 90% methanol. A Goat anti rabbit IgG (Alexa Fluor® 488, ab150081) secondary antibody was used at 1/2000 dilution. Isotype control - Rabbit monoclonal IgG (ab172730) / Black. Unlabeled control - Unlabelled cells / blue.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab227676).
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Intracellular flow cytometric analysis ofRamos (human Burkitt's lymphoma cell line) cell line labeling HLA-DPB1 with ab227676 at 1/400 dilution (green) compared with a negative control of rabbit IgG (blue).
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA and sodium azide (ab227676).
Protocols
To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.
Datasheets and documents
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Datasheet download
References (0)
ab246351 has not yet been referenced specifically in any publications.