Description
- SKU:
- SP-1501-12
- Additional Names:
- Bioconjugation Reagents [Labeling Reagents ], Biotinylation reagent, Targets Thiol Group Protein Labelling
- Application:
- Conjugation/Labeling
- Conjugate:
- Biotin
- Extra Details:
- Biotin (Long Arm) Maleimide is designed for biotinylating proteins, nucleic acids or other molecules containing one or more thiol groups. The presence of the 6-aminohexanoate spacer arm between the maleimide group and biotin reduces the possibility of steric hinderance. Molecules to be labeled with Biotin (Long Arm) Maleimide require free thiol groups. In the case of proteins, Biotin (Long Arm) Maleimide will react with exposed cysteine residues. Alternatively, free thiols may be generated by reducing disulfide bonds or by modifying other reactive groups such as priamry amines with componds like Traut s reagent (2-iminothiolane).
For labeling nucleic acids, thiols can be introduced into DNA, RNA, or oligonucleotides using the FastTag[R], 5' EndTag[TM] or 3' EndTag[TM] nucleic acid labeling systems.
Because of the extraordinary affinity of avidin and streptavidin to biotin and the many biotin-avidin/streptavidin systems available, the biotin label is ideal for a variety of applications including In-situ Hybridization, blotting, and affinity binding.Biotin (Long Arm) Maleimide reacts readily under mild acid or neutral pH conditions in aqueous solution with free sulfhydryl groups, such as those of cysteine residues or sulfhydryls introduced chemically into proteins or other macromolecules. The spacer arm in this derivative insures that the biotin is fully accessible to avidin or streptavidin detection systems.
- Molecular Weight:
- 479.6
- Shipping Conditions:
- Blue Ice
- Storage Conditions:
- Storage in solution not recommended. - 20[o]C to - 80 [o]C.
- Supplier:
- Vector Laboratories
- Size:
- 12mg
- Manufacturer's Data Sheet:biotin-long-arm-maleimide.html
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