Fas/TNFRSF6/CD95 Antibody (431014) [Alexa Fluor® 647]


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Product Details

Reactivity FeSpecies Glossary
Applications Flow
Alexa Fluor 647
Please see the vial label for concentration. If unlisted please contact technical services.

Fas/TNFRSF6/CD95 Antibody (431014) [Alexa Fluor® 647] Summary

Mouse myeloma cell line NS0-derived recombinant feline Fas/TNFRSF6/CD95
Accession # NP_001009314
Detects feline Fas/TNFRSF6/CD95 in direct ELISAs and Western blots. In direct ELISAs and Western blots no cross-reactivity with recombinant human Fas, recombinant mouse Fas, or recombinant rat Fas are observed
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  • Flow Cytometry 0.25-1 ug/10^6 cells
Application Notes
Flow Cytometry: Please use 0.25-1 ug of conjugated antibody per 10e6 cells.

Packaging, Storage & Formulations

Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
0.09% Sodium Azide
Please see the vial label for concentration. If unlisted please contact technical services.


This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Fas/TNFRSF6/CD95 Antibody (431014) [Alexa Fluor® 647]

  • Apo-1 antigen
  • Apo-1
  • apoptosis antigen 1
  • Apoptosis-mediating surface antigen FAS
  • APT1
  • CD95 antigen
  • CD95
  • CD95ALPS1A
  • Fas (TNF receptor superfamily, member 6)
  • Fas AMA
  • Fas antigen
  • Fas
  • FAS1
  • FASLG receptor
  • TNFRSF6member 6
  • tumor necrosis factor receptor superfamily member 6


Feline Fas (fibroblast associated; also named CD95 and APO-1) is a 45 kDa type I transmembrane (TM) glycoprotein that is a member of the TNF receptor superfamily (1-3). The family contains about 30 members, and is characterized by the presence of at least one cysteine-rich domain that contains multiple intrachain disulfide bonds. In general, the superfamily is divided into cytoplasmic death domain (DD) containing, and non-DD containing receptors (3). Feline Fas is synthesized as a 314 amino acid (aa) precursor that contains a 24 aa signal sequence, a 148 aa extracellular region, a 16 aa TM segment, and a 126 aa cytoplasmic tail (4). The extracellular region contains four potential N-linked glycosylation sites plus two distinct cysteine-rich domains of approximately 40 aa each; the cytoplasmic tail shows a 45 aa DD. The extracellular region of feline Fas shares 68%, 65%, 53%, and 58% aa sequence identity to porcine, human, mouse, and rat Fas, respectively. There are five alternate splice forms of feline Fas, which vary from 132 aa to 209 aa in length. All utilize exons 1-3 (aa 1-111) and all are missing the transmembrane segment of the full length form (5). Circulating Fas is reported to be both a dimer and trimer at low ng/mL concentrations. The ligand for Fas is FasL, and Fas ligation activates both the MEK cascade and FADD/caspase-8 pathway (7).

  1. Locksley, R.M. et al. (2001) Cell 104:487.
  2. Gaur, U. and B.B. Aggarwal (2003) Biochem. Pharmacol. 66:1403.
  3. Collette, Y. et al. (2003) Trends Immunol. 24:387.
  4. Mizuno, T. et al. (1998) Vet. Immunol. Immunopathol. 65:161.
  5. Mizuno, T. et al. (2004) Eur. J. Immunogenet. 31:159.
  6. Knipping, E. et al. (1995) Blood 85:1562.
  7. Baker, S.J. and E.P. Reddy (1998) Oncogene 17:3261.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Secondary Antibodies


Isotype Controls

Other Available Formats

Alexa Fluor 350 FAB2267U
Alexa Fluor 405 FAB2267V
Alexa Fluor 488 FAB2267G
Alexa Fluor 594 FAB2267T
Alexa Fluor 647 FAB2267R
Alexa Fluor 700 FAB2267N
Alexa Fluor 750 FAB2267S

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Gene Symbol FAS