Recombinant Human TAFA5/FAM19A5 Protein, CF

Catalog # Availability Size / Price Qty
5148-TA-050
Product Details
Citations (1)
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Recombinant Human TAFA5/FAM19A5 Protein, CF Summary

Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<0.01 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its ability to enhance neurite outgrowth of E16-E18 rat embryonic cortical neurons. Recombinant Human TAFA5/FAM19A5, immobilized at 6-24 μg/mL on a 96-well plate, is able to significantly enhance neurite outgrowth.
Source
E. coli-derived human TAFA5/FAM19A5 protein
Gln26-Ser125
Accession #
N-terminal Sequence
Analysis
Gln26
Predicted Molecular Mass
10.9 kDa
SDS-PAGE
11 kDa, reducing conditions

Product Datasheets

5148-TA

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 300 μg/mL in sterile PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
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Background: TAFA5/FAM19A5

TAFA5 (also FAM19A5) is a 14 kDa type I transmembrane protein and member of the FAM19/TAFA family of chemokine-like proteins (1). Human TAFA5 is 132 amino acids (aa) in length (SwissProt #: Q7Z5A7). It contains a 15 aa extracellular domain, a 23 aa transmembrane sequence, and a 95 aa cytoplasmic region. Alternate splicing produces two additional isoforms. Isoform 2, a secreted form, has a 31 aa substitution for residues 1-38 in isoform 1. Isoform 3 has an eight aa substitution for residues 1-87 in isoform1. Human TAFA5 is 100% aa identical to mouse TAFA5 (1). Within the TAFA family, TAFA5 is the most distinct member, while TAFAs 2, 3, and 4 are the most closely related members (1). Real-time PCR analysis indicates that TAFA5 mRNA expression is restricted to the central nervous system (CNS), with the highest level in the basal ganglia and cerebellum (1). The biological functions of TAFA family members are not yet known, but there are a few tentative hypotheses. First, TAFAs may modulate immune responses in the CNS by functioning as brain-specific chemokines, and may act with other chemokines to optimize the recruitment and activity of immune cells in the CNS (1). Second, TAFAs may represent a novel class of neurokines that act as regulators of immune nervous cells (1, 2). Finally, TAFAs may control axonal sprouting following brain injury (1).

References
  1. Tang, Y.T. et al. (2004) Genomics 83:727.
  2. Benveniste, E. (1998) Cytokine Growth Factor Rev. 9:259.
Long Name
Family with Sequence Similarity 19, Member A5
Entrez Gene IDs
25817 (Human); 106014 (Mouse); 500915 (Rat)
Alternate Names
Chemokine-like protein TAFA-5; FAM19A5; family with sequence similarity 19 (chemokine (C-C motif)-like), member A5; QLLK5208; TAFA protein 5; TAFA5; TAFA-5; UNQ5208

Citation for Recombinant Human TAFA5/FAM19A5 Protein, CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. Widespread potential for growth-factor-driven resistance to anticancer kinase inhibitors.
    Authors: Wilson TR, Fridlyand J, Yan Y, Penuel E, Burton L, Chan E, Peng J, Lin E, Wang Y, Sosman J, Ribas A, Li J, Moffat J, Sutherlin DP, Koeppen H, Merchant M, Neve R, Settleman J
    Nature, 2012;487(7408):505-9.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay

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