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39289
PhosphoPlus® Syk (Tyr525/526) Antibody Duet
Primary Antibodies

PhosphoPlus® Syk (Tyr525/526) Antibody Duet #39289

Western Blotting Image 1

Western blot analysis of extracts from Ramos cells, untreated or treated with anti-IgM, using Phospho-Syk (Tyr525/526) (C87C1) Rabbit mAb (upper) or Syk Antibody #2712 (lower).

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Western Blotting Image 2

Western blot analysis of extracts from various cell lines using Syk (D3Z1E) XP® Rabbit mAb.

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Flow Cytometry Image 3

Flow cytometric analysis of Ramos cells, untreated (blue) or treated with anti-IgM (green), using Phospho-Syk(Tyr525/526) (C87C1) Rabbit mAb. Anti-rabbit IgG (H+L), F(ab')2 Fragment (PE Conjugate) #8885 was used as a secondary antibody.

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IP Image 4

Immunoprecipitation of Syk protein from SR cell extracts, using Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (lane 2) or Syk(D3Z1E) XP® Rabbit mAb (lane 3). Lane 1 is 10% input. Western blot analysis was performed using Syk (D3Z1E) XP® Rabbit mAb

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IF-IC Image 5

Confocal immunofluorescent analysis of Ramos cells, serum-starved (overnight; left) or IgM-treated (12 ug/ml, 2 minutes; right), using Phospho-Syk (Tyr525/526) (C87C1) Rabbit mAb (green). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).

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IHC-P (paraffin) Image 6

Immunohistochemical analysis of paraffin-embedded human breast carcinoma using Syk (D3Z1E) XP® Rabbit mAb.

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IHC-P (paraffin) Image 7

Immunohistochemical analysis of paraffin-embedded human lymph node using Syk (D3Z1E) XP® Rabbit mAb.

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IHC-P (paraffin) Image 8

Immunohistochemical analysis of paraffin-embedded mouse spleen using Syk (D3Z1E) XP® Rabbit mAb in the presence of control peptide (left) or antigen-specific peptide (right).

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Flow Cytometry Image 9

Flow cytometric analysis of RL-7 cells using Syk (D3Z1E) XP® Rabbit mAb (blue) compared to Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (red). Anti-rabbit IgG (H+L), F(ab')2 Fragment (Alexa Fluor® 647 Conjugate) #4414 was used as a secondary antibody.

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Product Includes Quantity Applications Reactivity MW(kDa) Isotype
Phospho-Syk (Tyr525/526) (C87C1) Rabbit mAb 2710 100 µl
  • WB
  • IP
  • IF
  • F
H 72 Rabbit IgG
Syk (D3Z1E) XP® Rabbit mAb 13198 100 µl
  • WB
  • IP
  • IHC
  • F
H M R 72 Rabbit IgG

PhosphoPlus® Duets from Cell Signaling Technology (CST) provide a means to assess protein activation status. Each Duet contains an activation-state and total protein antibody to your target of interest. These antibodies have been selected from CST's product offering based upon superior performance in specified applications.

Syk is a protein tyrosine kinase that plays an important role in intracellular signal transduction in hematopoietic cells (1-3). Syk interacts with immunoreceptor tyrosine-based activation motifs (ITAMs) located in the cytoplasmic domains of immune receptors (4). It couples the activated immunoreceptors to downstream signaling events that mediate diverse cellular responses, including proliferation, differentiation, and phagocytosis (4). There is also evidence of a role for Syk in nonimmune cells and investigators have indicated that Syk is a potential tumor suppressor in human breast carcinomas (5). Tyr323 is a negative regulatory phosphorylation site within the SH2-kinase linker region in Syk. Phosphorylation at Tyr323 provides a direct binding site for the TKB domain of Cbl (6,7). Tyr352 of Syk is involved in the association of PLCγ1 (8). Tyr525 and Tyr526 are located in the activation loop of the Syk kinase domain; phosphorylation at Tyr525/526 of human Syk (equivalent to Tyr519/520 of mouse Syk) is essential for Syk function (9).

  1. Cheng, A.M. and Chan, A.C. (1997) Curr Opin Immunol 9, 528-33.
  2. Kurosaki, T. (1997) Curr Opin Immunol 9, 309-18.
  3. Chu, D.H. et al. (1998) Immunol Rev 165, 167-80.
  4. Turner, M. et al. (2000) Immunol Today 21, 148-54.
  5. Coopman, P.J. et al. (2000) Nature 406, 742-7.
  6. Deckert, M. et al. (1998) J Biol Chem 273, 8867-74.
  7. Rao, N. et al. (2001) EMBO J 20, 7085-95.
  8. Law, C.L. et al. (1996) Mol Cell Biol 16, 1305-15.
  9. Zhang, J. et al. (2000) J Biol Chem 275, 35442-7.
Entrez-Gene Id
6850
Swiss-Prot Acc.
P43405
For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
PhosphoPlus is a trademark of Cell Signaling Technology, Inc.
XP is a registered trademark of Cell Signaling Technology, Inc.
U.S. Patent No. 7,429,487, foreign equivalents, and child patents deriving therefrom.

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