| Field | Specification |
|---|---|
| Mfr No | |
| Alternative Names | Integrin alpha-4;CD49 antigen-like family member D;Integrin alpha-IV;VLA-4 subunit alpha;CD49d;ITGA4;CD49D; |
| Cellular Localization | |
| Clonality | |
| Concentration | |
| Host | |
| Immunogen | A synthetic peptide corresponding to a sequence at the C-terminus of human Integrin alpha 4, different from the related mouse sequence by one amino acid. |
| Isotype | |
| Molecular Weight | |
| Product Type | |
| Reactivity | |
| Reconstitution | |
| Target | |
| UniProt # |
Overview
This antibody is intended for detection of ITGA4 (Integrin alpha-4) in biological samples using common immunoassay formats. It is typically selected based on target identity, species reactivity, clonality/clone information, and detection modality.
Vendor notes: Boster Bio Anti-Integrin alpha 4/ITGA4 Antibody Picoband® catalog # PB9648. Tested in Flow Cytometry, IHC, IHC-F, WB applications. This antibody reacts with Human, Rat. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.
Key elements and design rationale
- Antibody format: Rabbit Polyclonal Rabbit IgG
- Immunogen / epitope context: A synthetic peptide corresponding to a sequence at the C-terminus of human Integrin alpha 4, different from the related mouse sequence by one amino acid.
- Molecular weight context: reported MW: 220 kDa; calculated MW: 114900 MW
- Reactivity: Human,Rat
- Applications: Flow Cytometry, IHC, IHC-F, WB
As a polyclonal antibody, the reagent recognizes multiple epitopes on the target, which can improve detection robustness but may increase sensitivity to sample-dependent epitope changes.
Biological background
Integrin alpha-4; Integrin alpha-4. ITGA4/Integrin alpha4 is an integrin alpha subunit. It makes up half of the α4β1 lymphocyte homing receptor. The product of this gene belongs to the integrin alpha chain family of proteins. Integrins are heterodimeric integral membrane proteins composed of an alpha chain and a beta chain. This gene encodes an alpha 4 chain. Unlike other integrin alpha chains, alpha 4 neither contains an I-domain, nor undergoes disulfide-linked cleavage. Alpha 4 chain associates with either beta 1 chain or beta 7 chain. ITGA4 is also mapped to 2q31-q32 by fluorescence in situ hybridization. Functional note: Integrins alpha-4/beta-1 (VLA-4) and alpha-4/beta-7 are receptors for fibronectin. They recognize one or more domains within the alternatively spliced CS-1 and CS-5 regions of fibronectin. They are also receptors for VCAM1. Integrin alpha- 4/beta-1 recognizes the sequence Q-I-D-S in VCAM1. Integrin alpha- 4/beta-7 is also a receptor for MADCAM1. It recognizes the sequence L-D-T in MADCAM1. On activated endothelial cells integrin VLA-4 triggers homotypic aggregation for most VLA-4-positive leukocyte cell lines. It may also participate in cytolytic T-cell interactions with target cells. . Reported localization: Membrane; Single-pass type I membrane protein. Expression/tissue context: Isoform 1 and isoform 2 were identified in platelets and megakaryocytes, but not in reticulocytes or in Jurkat and U-937 white blood cell line. Isoform 3 is expressed by leukemia, prostate adenocarcinoma and melanoma cells but not by platelets or normal prostate or breast epithelial cells.
Research relevance and current trends
- Cell Adhesion: Researchers commonly examine how ITGA4 (Integrin alpha-4) relates to this theme using model systems and orthogonal readouts.
- Cell Type Markers: Researchers commonly examine how ITGA4 (Integrin alpha-4) relates to this theme using model systems and orthogonal readouts.
- Cytoskeleton/ECM: Researchers commonly examine how ITGA4 (Integrin alpha-4) relates to this theme using model systems and orthogonal readouts.
Common research applications
- Western blotting: compare relative ITGA4 (Integrin alpha-4) levels across conditions; band patterns may reflect isoforms and processing.
- IHC/IHC-F: assess spatial distribution of ITGA4 (Integrin alpha-4) across tissue regions and cell types using matched controls.
- Flow cytometry: quantify target-positive populations and shifts in expression; gating strategy and background staining controls are essential.
Notes for experimental interpretation
- Specificity notes: No cross reactivity with other proteins.
- Cross-reactivity: No cross-reactivity with other proteins
- Family / similarity context: Contains 1 HMG box DNA-binding domain.
- Isoforms and PTMs: Apparent size and signal patterns can differ across splice isoforms, proteolytic processing, and post-translational modifications.
- Controls: Include an isotype control (as relevant), no-primary control for imaging, and orthogonal validation such as KD/KO samples when available.
Customization & Add-ons: Can’t find the antibody you need—or require a custom format for your assay? We can help you source the best match or support custom antibody solutions for diverse research needs, including species and isotype selection, conjugations and labeling (e.g., HRP/AP, biotin, fluorophores), purification grade options (Protein A/G, affinity purified), formulation preferences (buffer selection, carrier-free, glycerol-free), custom concentrations and aliquoting, low-endotoxin options for cell-based work, and application-focused QC/validation support (project dependent). Click Talk to a Scientist to submit a request, email us at support@biohippo.com, or explore our Research Services for additional support—our team will follow up with feasibility details and next steps.
