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DENND1B Antibody (N-term)
Affinity Purified Rabbit Polyclonal Antibody (Pab)
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Application 
| FC, IHC-P, WB, E |
|---|---|
| Primary Accession | Q6P3S1 |
| Other Accession | Q3U1T9, NP_001182144.1, NP_001182145.1 |
| Reactivity | Human |
| Predicted | Mouse |
| Host | Rabbit |
| Clonality | Polyclonal |
| Isotype | Rabbit IgG |
| Calculated MW | 86552 Da |
| Antigen Region | 39-68 aa |
| Gene ID | 163486 |
|---|---|
| Other Names | DENN domain-containing protein 1B, Connecdenn 2, Protein FAM31B, DENND1B, C1orf218, FAM31B |
| Target/Specificity | This DENND1B antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 39-68 amino acids from the N-terminal region of human DENND1B. |
| Dilution | WB~~1:1000 IHC-P~~1:50~100 FC~~1:10~50 |
| Format | Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification. |
| 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. |
| Precautions | DENND1B Antibody (N-term) is for research use only and not for use in diagnostic or therapeutic procedures. |
| Name | DENND1B (HGNC:28404) |
|---|---|
| Function | Guanine nucleotide exchange factor (GEF) for RAB35 that acts as a regulator of T-cell receptor (TCR) internalization in TH2 cells (PubMed:20154091, PubMed:20937701, PubMed:24520163, PubMed:26774822). Acts by promoting the exchange of GDP to GTP, converting inactive GDP- bound RAB35 into its active GTP-bound form (PubMed:20154091, PubMed:20937701). Plays a role in clathrin-mediated endocytosis (PubMed:20154091). Controls cytokine production in TH2 lymphocytes by controlling the rate of TCR internalization and routing to endosomes: acts by mediating clathrin-mediated endocytosis of TCR via its interaction with the adapter protein complex 2 (AP-2) and GEF activity (PubMed:26774822). Dysregulation leads to impaired TCR down-modulation and recycling, affecting cytokine production in TH2 cells (PubMed:26774822). |
| Cellular Location | Cytoplasm, cytosol. Cytoplasmic vesicle, clathrin-coated vesicle |
| Tissue Location | Highly expressed in dendritic and natural killer cells and at lower levels in other myeloid lineage cells and in pituitary. Significantly up-regulated in effector memory T-cells as compared with naive T-cells. |
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Provided below are standard protocols that you may find useful for product applications.
Background
Clathrin (see MIM 118955)-mediated endocytosis is a major mechanism for internalization of proteins and lipids. Members of the connecdenn family, such as DENND1B, function as guanine nucleotide exchange factors (GEFs) for the early endosomal small GTPase RAB35 (MIM 604199) and bind to clathrin and clathrin adaptor protein-2 (AP2; see MIM 601024). Thus, connecdenns link RAB35 activation with the clathrin machinery (Marat and McPherson, 2010 [PubMed 20154091]).
References
Marat, A.L., et al. J. Biol. Chem. 285(14):10627-10637(2010)
Sleiman, P.M., et al. N. Engl. J. Med. 362(1):36-44(2010)
Venter, J.C., et al. Science 291(5507):1304-1351(2001)
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