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Human BAFF / TNFSF13B Protein (Recombinant Fc, N-terminus)

Human BAFF / TNFSF13B Protein (Recombinant Fc, N-terminus)

Expression SystemOther
Format:Lyophilized
See all TNFSF13B antibodies →
$294.00each
Catalog Number: LS-G137855-10

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Overview

Description
TNFSF13B/TNFSF20 belongs to the tumor necrosis factor family. It abundantly is 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. 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. Isoform 3 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. 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. Mature human BAFF consists of a 46 amino acid (aa) cytoplasmic domain, a 21 aa transmembrane segment, and a 218 aa extracellular domain (ECD) with a stalk region and one TNF-like domain. Within aa 134-285 of the ECD, human BAFF shares 72% aa sequence identity with mouse BAFF.
Category
Proteins & Peptides > Proteins > Recombinant Proteins
Alternative Names
B-cell-activating factor | BAFF | ApoL related ligand TALL-1 | B-lymphocyte stimulator | CD257 | BLYS | Delta4 BAFF | Delta BAFF | TALL-1 | TALL1 | TNFSF13B | ZTNF4 | THANK | B lymphocyte stimulator | CD257 antigen | TNFSF20
Origin Species
Hu
NCBI GenBank
NM_006573
SwissProt
Q9Y275

Protein

Expression System
Other
Fusion Tag
hFc
Protein Type
Recombinant
Amino Acid Sequence
1GSGSDKTHTC PPCPAPELLG GPSVFLFPPK PKDTLMISRT PEVTCVVVDV SHEDPEVKFN
61WYVDGVEVHN AKTKPREEQY NSTYRVVSVL TVLHQDWLNG KEYKCKVSNK ALPAPIEKTI
121SKAKGQPREP QVYTLPPSRE EMTKNQVSLT CLVKGFYPSD IAVEWESNGQ PENNYKTTPP
181VLDSDGSFFL YSKLTVDKSR WQQGNVFSCS VMHEALHNHY TQKSLSLSPG KIEGRAVQGP
241EETVTQDCLQ LIADSETPTI QKGSYTFVPW LLSFKRGSAL EEKENKILVK ETGYFFIYGQ
301VLYTDKTYAM GHLIQRKKVH VFGDELSLVT LFRCIQNMPE TLPNNSCYSA GIAKLEEGDE
361LQLAIPRENA QISLDGDVTF FGALKLL

387 aa

Format

Purity
>95%
Conjugate/Label
Unconj
Endotoxin Level
< 1 EU/µg
Format
Lyophilized
Formulation
Lyophilized from a sterile solution in PBS, pH 7.4.
Purity Measurement Method
SDS-PAGE

Storage & Handling

Storage Conditions
Before reconstitution: short term; store at room temperature for up to 3 weeks, long term; store at -20°C. After Reconstitution: short term; store at 4°C to 7°C for up to 7 days, long term; Aliquot and store at -20°C for up to 3 months. Avoid freeze-thaw cycles.

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