Goat Fab anti-Mouse IgG3 (Fc)-Biotin, MinX none
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SKU 115-067-189 Host Species IgG Form Species Reactivity Specificity Isotype Clonality (Mono-/Polyclonal) Application Conjugation No Cross-reactivity (MinX) with Dilution Format Application Note
recommended weight ratio (w/w) Fab:Prim.Ab 1:1 (3:1 molar ratio), suitable to complex with primary antibody in solution, titrate complex to optimal dilution for assay, vortex Prim.Ab+Fab and incubate 30 min at RT
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Additional Product Information
Based on antigen-binding assay and/or ELISA, the antibody reacts with the Fc portion of mouse IgG3 but not with the Fab portion of mouse immunoglobulins. No antibody was detected against mouse IgM or against non immunoglobulin serum proteins. The antibody may cross-react with other mouse IgG subclasses or with immunoglobulins from other species.
Biotin-SP is the trade name of Jackson ImmunoResearch for biotin with a 6-atom spacer positioned between biotin and the protein to which it is conjugated. When Biotin-SP-conjugated antibodies are used in enzyme immunoassays, there is an increase in sensitivity compared to biotin-conjugated antibodies without the spacer. This is especially notable when Biotin-SP conjugated antibodies are used with alkaline phosphatase-conjugated streptavidin. Apparently, the long spacer extends the biotin moiety away from the antibody surface, making it more accessible to binding sites on streptavidin. Biotinylated antibodies require an additional reagent for visualization. We offer streptavidin and Mouse Anti-Biotin conjugated to fluorophores and enzymes.