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Biotin (Long Arm) Maleimide

Catalog Number: SP-1501

Availability: In stock

$85.00
Unit Size: 12 mg

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Overview

    Biotin (Long Arm) Maleimide reacts readily under mild acid or neutral pH conditions in aqueous solution with free sulfhydryl groups such as cysteine residues or thiol groups introduced chemically into proteins, nucleic acids, or other macromolecules.

    Additional Information

    Catalog Number SP-1501
    Unit Size 12 mg
    Country of Manufacture United States
    Target for Labeling DNA, Oligonucleotides, PNA, Protein, RNA
    Required Reactive Group Thiol Group
    Tag/Group Incorporated Biotin
Additional Info

    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®, 5' EndTag™ or 3' EndTag™ 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.

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