Fyn Antibody (FYN-1)



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Fyn Antibody (FYN-1) Summary

Bacterially expressed recombinant fragment of human Fyn (aa 7-176). Species Reactivity: Human, Mouse, Other not tested.The antibody reacts with p59fyn (Fyn), a non receptor protein tyrosine kinase (~59 kDa), which belongs to the Src family of cytoplasmic tyrosine kinases.
The antibody reacts with p59fyn (Fyn), a non receptor protein tyrosine kinase (~59 kDa), which belongs to the Src family of cytoplasmic tyrosine kinases. Species Reactivity: Human, Mouse, Other not tested.
Protein A purified
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  • Western Blot 1:100-1:2000
  • Immunoprecipitation 1:10-1:500
Application Notes
The antibody can be used for Immunoprecipitation, Western blotting and Immunocytochemistry.Immunoprecipitation: Positive control: J77 T-cell line lysate; Preparation of cell lysate: 30 min on ice (orbital incubator) in lysing buffer; lysing buffer with N-dodecyl beta-D-maltoside (20 mM Tris/Cl, 100 mM NaCl pH 8,2, 1% laurylmaltosid (w/v), 50 mM

Reactivity Notes

Human,Mouse. Please note that this antibody is reactive to Mouse and derived from the same host, Mouse. Additional Mouse on Mouse blocking steps may be required for IHC and ICC experiments. Please contact Technical Support for more information.

Packaging, Storage & Formulations

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
PBS (pH 7.4)
15mM Sodium Azide
1.0 mg/ml
Protein A purified

Alternate Names for Fyn Antibody (FYN-1)

  • EC 2.7.10
  • EC
  • FYN oncogene related to SRC, FGR, YES
  • Fyn
  • MGC45350
  • OKT3-induced calcium influx regulator
  • p59-Fyn
  • protein-tyrosine kinase fyn
  • Proto-oncogene c-Fyn
  • Proto-oncogene Syn
  • proto-oncogene tyrosine-protein kinase fyn
  • SLK
  • SLKc-syn protooncogene
  • src/yes-related novel
  • Src-like kinase
  • SYN
  • tyrosine kinase p59fyn(T)
  • tyrosine-protein kinase Fyn


Fyn is a membrane-associated, non-receptor protein tyrosine kinase approximately 59kDa, which belongs to the Src family of cytoplasmic tyrosine kinases. Fyn is very strongly similar to mouse Fyn, v-yes and c-src. Fyn is expressed predominately in tissues of neuronal and hematopoietic origin. Neuronal Fyn and hematopoietic Fyn differ at the junction of the SH2 and kinase domains due to tissue specific alternative splicing. Fyn has been shown to be involved in B cell and T cell activation as well as keratinocyte differentiation. In T cells, Fyn associates with the T-cell antigen receptor and Thy1. The unique N terminal domain of Fyn interacts with the CD3 and eta chains of the TcR. Fyn can bind to other proteins (p82 and p116) through its SH2 and SH3 domains, which may act as substrates or regulators of Fyn activity. Fyn is highly expressed in brain suggesting that it may have a role in the sensory nervous network and in myelination at early stages of CNS formation.


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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Gene Symbol FYN