Recombinant Mouse Anti-Shigella flexneri variant Y Antibody (SYA/J6) (CAT#: PABX-171)

Anti-Shigella flexneri variant Y antibody is a Mouse antibody of IgG3 κ class that binds to an Shigella flexneri variant Y. The antibody binds an optimal trisaccharide epitope, a residue sequence BCD of the ABCD [f2)-R-L-Rha- (1f2)-R-L-Rha- (1f3)-R-L-Rha- (1f3)-â-D-GlcNAc- (1f] repeating unit of the O-polysaccharide of the S. flexneri variant Y LPS.

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  • Published Data
  • Datasheet
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Figure 1 (Φ,Ψ) maps of the trajectories for the glycosidic linkages of 3RU segments of O-Ags Y and 2a.

Figure 1 (Φ,Ψ) maps of the trajectories for the glycosidic linkages of 3RU segments of O-Ags Y and 2a.

Squares and stars indicate the bound conformations of ABCDA' pentasaccharide and deoxygenated BC*D to mAb SYA/J6, respectively. Circles and diamonds indicate the bound conformations of the nonreducing RU and middle RU of the synthetic [AB(E)CD]3 pentadecasaccharide to mAb F22-4, respectively.

Theillet, F. X., Simenel, C., Guerreiro, C., Phalipon, A., Mulard, L. A., & Delepierre, M. (2010). Effects of backbone substitutions on the conformational behavior of Shigella flexneri O-antigens: implications for vaccine strategy. Glycobiology, 21(1), 109-121.

Figure 2 Structure of the Fab fragment of the SYA/J6 antibody with bound octapeptide.

Figure 2 Structure of the Fab fragment of the SYA/J6 antibody with bound octapeptide.

(A) Stereoview of the backbone trace with the octapeptide bound in the groove between the two variable domains (VL and VH). The CDRs of the light (L) chain and the heavy (H) chain are: L1 and H1 (green), L2 and H2 (gray), and L3 and H3 (yellow). VL and VH framework regions are in blue and mauve, respectively. The N terminus of the peptide is located at the ''lower end'' of the groove. The atom types for the peptide are: C, green; N, blue; O, red; and S, yellow. (B) Electrostatic surface potential (10 kT, red; neutral, white; 10 kT blue) of the same structure shown in A. Also shown are three water molecules (white spheres, in the order S2, S9, and S1 from top to bottom) lodged in the pocket in the deepest part of the groove (see also Fig. 2B). (C) Similar to B, but with bound pentasaccharide (sugar residues in the order Rha A, Rha B, Rha C, GlcNAc D, and Rha A from top to bottom) (data from ref. 11). The atom types for the sugar are: C, yellow; N, blue; and O, red. Rha C mainly occupies the groove pocket.

Vyas, N. K., Vyas, M. N., Chervenak, M. C., Bundle, D. R., Pinto, B. M., & Quiocho, F. A. (2003). Structural basis of peptide–carbohydrate mimicry in an antibody-combining site. Proceedings of the National Academy of Sciences, 100(25), 15023-15028.


  • Immunogen
  • bacterial cells of Shigella flexneri variant Y
  • Host Species
  • Mouse
  • Derivation
  • Mouse
  • Type
  • IgG
  • Specificity
  • Tested positive against native Shigella flexneri variant Y
  • Species Reactivity
  • Shigella flexneri variant Y
  • Clone
  • SYA/J6
  • Applications
  • WB 1:1000-1:5000
    ELISA 1:10000-1:20000
    FuncS (assay dependent)

Product Property

  • Purity
  • >95% by SDS-PAGE and HPLC analysis
  • Storage
  • Store the antibody (in aliquots) at -20°C. Avoid repeated freezing and thawing of samples.


  • Application Notes
  • Assay-depended

Product Notes

This is a product of Creative Biolabs' Hi-Affi™ recombinant antibody portfolio, which has several benefits including:

• Increased sensitivity
• Confirmed specificity
• High repeatability
• Excellent batch-to-batch consistency
• Sustainable supply
• Animal-free production

See more details about Hi-Affi™ recombinant antibody benefits.


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For Research Use Only. Not For Clinical Use.

For research use only. Not intended for any clinical use. No products from Creative Biolabs may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative Biolabs.

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