DLL3 (Delta-like protein 3; also Delta3) is a 65‑67 kDa member of the Delta family of proteins. It is expressed in/on select cell types in the embryo, including somitic mesoderm, cochlear hair cells and noncycling cells of the neural tube that are undergoing differentiation. DLL3 is principally found in the Golgi apparatus and endosomes where it promotes Notch family receptor degradation. Mature human DLL3 is a 592 amino acid (aa) type I transmembrane protein. It possesses a 466 aa extracellular domain (aa 27-492) that contains a Notch-binding DSL domain (aa 176-215) followed by six EGF-like repeats (aa 216-465). There is one isoform variant that contains an Ala substitution for aa 588-618. Over aa 27-488, human DLL3 shares 84% aa identity with mouse DLL3.
Human DLL3 PE‑conjugated Antibody
R&D Systems | Catalog # FAB4315P
Key Product Details
Species Reactivity
Validated:
Cited:
Applications
Validated:
Cited:
Label
Antibody Source
Product Specifications
Immunogen
Ala27-Pro488
Accession # Q9NYJ7
Specificity
Clonality
Host
Isotype
Scientific Data Images for Human DLL3 PE‑conjugated Antibody
Detection of DLL3 in U‑118‑MG Human Cell Line by Flow Cytometry.
U-118-MG human glioblastoma/astrocytoma cell line was stained with Goat Anti-Human DLL3 PE-conjugated Polyclonal Antibody (Catalog # FAB4315P, filled histogram) or isotype control antibody (Catalog # IC108P, open histogram). View our protocol for Staining Membrane-associated Proteins.Applications for Human DLL3 PE‑conjugated Antibody
Flow Cytometry
Sample: U-118-MG human glioblastoma/astrocytoma cell line
Reviewed Applications
Read 2 reviews rated 5 using FAB4315P in the following applications:
Spectra Viewer
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Advanced Features
- Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
- Spillover Popups - Visualize the spectra of individual fluorochromes
- Antigen Density Selector - Match fluorochrome brightness with antigen density
Formulation, Preparation, and Storage
Purification
Formulation
Shipping
Stability & Storage
- 12 months from date of receipt, 2 to 8 °C as supplied.
Background: DLL3
Long Name
Alternate Names
Gene Symbol
UniProt
Additional DLL3 Products
Product Documents for Human DLL3 PE‑conjugated Antibody
Certificate of Analysis
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Product Specific Notices for Human DLL3 PE‑conjugated Antibody
For research use only
Related Research Areas
Citations for Human DLL3 PE‑conjugated Antibody
Customer Reviews for Human DLL3 PE‑conjugated Antibody (2)
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Customer Images
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Application: Flow CytometrySample Tested: DU145 human prostate carcinoma cell lineSpecies: HumanVerified Customer | Posted 11/21/2025
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Application: Flow CytometrySample Tested: Cancer TissueSpecies: HumanVerified Customer | Posted 11/01/2021Detection of DLL3 on CD45- cells from a Non-Small Cell Lung Cancer patient tissue. Single-cell suspension was generated from a lung cancer tissue biopsy and cells were treated a CD45 antibody along with the goat polyclonal Human DLL3 PE-conjugated Antibody (catalog # FAB4315P) (BLUE) or Goat IgG PE-conjugated Antibody (catalog # IC108P) (RED).
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- 7-Amino Actinomycin D (7-AAD) Cell Viability Flow Cytometry Protocol
- Extracellular Membrane Flow Cytometry Protocol
- Flow Cytometry Protocol for Cell Surface Markers
- Flow Cytometry Protocol for Staining Membrane Associated Proteins
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- Flow Cytometry Troubleshooting Guide
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- Intracellular Flow Cytometry Protocol Using Detergents
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- Intracellular Staining Flow Cytometry Protocol Using Detergents to Permeabilize Cells
- Propidium Iodide Cell Viability Flow Cytometry Protocol
- Protocol for Liperfluo
- Protocol for the Characterization of Human Th22 Cells
- Protocol for the Characterization of Human Th9 Cells
- Protocol: Annexin V and PI Staining by Flow Cytometry
- Protocol: Annexin V and PI Staining for Apoptosis by Flow Cytometry
- Troubleshooting Guide: Fluorokine Flow Cytometry Kits
- View all Protocols, Troubleshooting, Illustrated assays and Webinars