Product: BAFF Antibody
Catalog: DF13308
Description: Rabbit polyclonal antibody to BAFF
Application: WB IF/ICC
Reactivity: Human
Prediction: Pig, Bovine, Horse, Sheep, Rabbit
Mol.Wt.: 31kDa; 31kD(Calculated).
Uniprot: Q9Y275
RRID: AB_2846327

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 100ul $280 In stock
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Product Info

Source:
Rabbit
Application:
IF/ICC 1:100-1:500, WB 1:500-1:2000
*The optimal dilutions should be determined by the end user.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

Reactivity:
Human
Prediction:
Pig(86%), Bovine(86%), Horse(86%), Sheep(86%), Rabbit(80%)
Clonality:
Polyclonal
Specificity:
BAFF Antibody detects endogenous levels of total BAFF.
RRID:
AB_2846327
Cite Format: Affinity Biosciences Cat# DF13308, RRID:AB_2846327.
Conjugate:
Unconjugated.
Purification:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
Storage:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
Alias:

Fold/Unfold

ApoL related ligand TALL 1; B cell Activating Factor; B lymphocyte stimulator; B-cell-activating factor; BAFF; BLyS; CD 257; CD257; CD257 antigen; Delta BAFF; Dendritic cell derived TNF like molecule; Dendritic cell-derived TNF-like molecule; DTL; DTL precursor; PRO738; soluble form; TALL 1; TALL-1; TALL1; THANK; TN13B_HUMAN; TNF and APOL related leukocyte expressed ligand 1; TNF homolog that activates apoptosis; TNF homolog that activates apoptosis NKFB and JNK.; TNF- and APOL-related leukocyte expressed ligand 1; TNFSF13B; TNFSF20; TNLG7A; Tumor necrosis factor (ligand) superfamily member 13b; Tumor necrosis factor ligand 7A; Tumor necrosis factor ligand superfamily member 13b; Tumor necrosis factor ligand superfamily member 20; Tumor necrosis factor like protein ZTNF4; Tumor necrosis factor superfamily member 13B; UNQ401; ZTNF4;

Immunogens

Immunogen:
Uniprot:
Gene(ID):
Expression:
Q9Y275 TN13B_HUMAN:

Abundantly expressed in peripheral blood Leukocytes and is specifically expressed in monocytes and macrophages. Also found in the spleen, lymph node, bone marrow, T-cells and dendritic cells. A lower expression seen in placenta, heart, lung, fetal liver, thymus, and pancreas. Isoform 2 is expressed in many myeloid cell lines.

Sequence:
MDDSTEREQSRLTSCLKKREEMKLKECVSILPRKESPSVRSSKDGKLLAATLLLALLSCCLTVVSFYQVAALQGDLASLRAELQGHHAEKLPAGAGAPKAGLEEAPAVTAGLKIFEPPAPGEGNSSQNSRNKRAVQGPEETVTQDCLQLIADSETPTIQKGSYTFVPWLLSFKRGSALEEKENKILVKETGYFFIYGQVLYTDKTYAMGHLIQRKKVHVFGDELSLVTLFRCIQNMPETLPNNSCYSAGIAKLEEGDELQLAIPRENAQISLDGDVTFFGALKLL

Predictions

Predictions:

Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Species
Results
Score
Pig
86
Horse
86
Bovine
86
Sheep
86
Rabbit
80
Dog
0
Xenopus
0
Zebrafish
0
Chicken
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

PTMs - Q9Y275 As Substrate

Site PTM Type Enzyme
S41 Phosphorylation
K184 Acetylation
K204 Acetylation

Research Backgrounds

Function:

Cytokine that binds to TNFRSF13B/TACI and TNFRSF17/BCMA. TNFSF13/APRIL binds to the same 2 receptors. Together, they form a 2 ligands -2 receptors pathway involved in the stimulation of B- and T-cell function and the regulation of humoral immunity. A third B-cell specific BAFF-receptor (BAFFR/BR3) promotes the survival of mature B-cells and the B-cell response.

Isoform 2 seems to inhibit isoform 1 secretion and bioactivity.

Acts as a transcription factor for its own parent gene, in association with NF-kappa-B p50 subunit, at least in autoimmune and proliferative B-cell diseases. The presence of Delta4BAFF is essential for soluble BAFF release by IFNG/IFN-gamma-stimulated monocytes and for B-cell survival. It can directly or indirectly regulate the differential expression of a large number of genes involved in the innate immune response and the regulation of apoptosis.

PTMs:

The soluble form derives from the membrane form by proteolytic processing.

Isoform 2 is not efficiently shed from the membrane unlike isoform 1.

N-glycosylated.

Subcellular Location:

Cell membrane>Single-pass type II membrane protein.

Secreted.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
Tissue Specificity:

Abundantly expressed in peripheral blood Leukocytes and is specifically expressed in monocytes and macrophages. Also found in the spleen, lymph node, bone marrow, T-cells and dendritic cells. A lower expression seen in placenta, heart, lung, fetal liver, thymus, and pancreas. Isoform 2 is expressed in many myeloid cell lines.

Subunit Structure:

Homotrimer. Isoform 2 heteromultimerizes with isoform 1, probably limiting the amount of functional isoform 1 on the cell surface. Isoform 3 is unlikely form trimers or bind to BAFF receptors.

Family&Domains:

Belongs to the tumor necrosis factor family.

Research Fields

· Environmental Information Processing > Signaling molecules and interaction > Cytokine-cytokine receptor interaction.   (View pathway)

· Environmental Information Processing > Signal transduction > NF-kappa B signaling pathway.   (View pathway)

· Human Diseases > Immune diseases > Rheumatoid arthritis.

· Organismal Systems > Immune system > Intestinal immune network for IgA production.   (View pathway)

References

1). Increased B Cell-Activating Factor Expression Is Associated with Postoperative Recurrence of Chronic Rhinosinusitis with Nasal Polyps. MEDIATORS OF INFLAMMATION (PubMed: 35431654) [IF=4.6]

Application: IHC    Species: Human    Sample:

Figure 4 Histopathology and BAFF protein expression in the tissue among three groups. (a–c) Representative H&E images from HC, CRSsNP, and CRSwNP. (d–i) Representative IHC staining of BAFF in HC, CRSsNP, and CRSwNP (magnification, 200x and 400x). BAFF: B cell-activating factor; H&E: hematoxylin and eosin; CRSwNP: chronic rhinosinusitis with nasal polyps; CRSsNP: chronic rhinosinusitis without nasal polyps; HC: healthy control; IHC: immunohistochemistry.

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