You Searched For: SIA+(N-Succinimidyl+iodoacetate)

Catalog Number: (PIERA35394)

Supplier: Thermo Scientific

Description: Thermo Scientific Pierce SMCC is a hetero-bifunctional crosslinker that contain N-hydroxysuccinimide (NHS) ester and maleimide groups that allow covalent conjugation of amine- and sulfhydryl-containing molecules. NHS esters react with primary amines at pH 7–9 to form amide bonds, while maleimides react with sulfhydryl groups at pH 6.5–7.5 to form stable thioether bonds. In aqueous solutions, NHS ester hydrolytic degradation is a competing reaction whose rate increases with pH. The maleimide group is more stable than the NHS-ester group, but will slowly hydrolyze and lose its reaction specificity for sulfhydryls at pH values > 7.5. For these reasons, conjugations with these crosslinkers are usually performed at pH 7.2–7.5, with the NHS ester (amine-targeted) reacted before or simultaneous with the maleimide (sulfhydryl-targeted) reaction.

UOM: 1 * 10 mg

Catalog Number: (573114-100)

Supplier: Merck Millipore (Calbiochem‎)

Description: Heterobifunctional reagent useful for enzyme labeling of antibodies and antibody fragments. Cross-links both a sulfhydryl group and a free amine group. Useful for sequential conjugation to minimize polymerization.
Reacts with primary amines and sulfhydryl groups.

UOM: 1 * 100 mg

Catalog Number: (573100-100)

Supplier: Merck Millipore (Calbiochem‎)

Description: A useful agent for introducing thiol groups, in protected form, into various proteins. Reacts with primary amines to add protected sulfhydryl groups. When treated with hydroxylamine, yields a free sulfhydryl group that can be conjugated to maleimide-modified proteins.

UOM: 1 * 100 mg

Catalog Number: (PIER26167)

Supplier: Thermo Scientific

Description: Thermo Scientific Pierce SDA (NHS-Diazirine) combines proven NHS-ester and diazirine-based photoreaction chemistries with conjugate amine-containing molecules with nearly any other functional group via long-wave UV-light activation. A 3.9Å spacer arm separates the two photoreactive groups.

UOM: 1 * 50 mg

Catalog Number: (PIER22416)

Supplier: Thermo Scientific

Description: Thermo Scientific Pierce SMPB is an amine-to-sulfhydryl crosslinker that contains NHS-ester and maleimide reactive groups at opposite ends of a medium-length aromatic spacer arm (11.6 angstroms).

UOM: 1 * 50 mg

Catalog Number: (PIER22363)

Supplier: Thermo Scientific

Description: Thermo Scientific Pierce SMPH is an amine-to-sulfhydryl crosslinker that contains NHS-ester and maleimide reactive groups at opposite ends of a long spacer arm (14.2 angstroms).

UOM: 1 * 50 mg

MSDS

Catalog Number: (PIER22311)

Supplier: Thermo Scientific

Description: Thermo Scientific Pierce MBS is an amine-to-sulfhydryl crosslinker that contains NHS-ester and maleimide reactive groups at opposite ends of a short aromatic spacer arm (7.3 angstroms).

UOM: 1 * 50 mg

Catalog Number: (PIER21857)

Supplier: Thermo Scientific

Description: Thermo Scientific Pierce SPDP is a short-chain crosslinker for amine-to-sulfhydryl conjugation via NHS-ester and pyridyldithiol reactive groups that form cleavable (reducible) disulfide bonds with cysteine sulfhydryls.

UOM: 1 * 50 mg

Catalog Number: (PIER46406)

Supplier: Thermo Scientific

Description: NHS-rhodamine is a high performance derivative of rhodamine dye, activated for an amine-specific labelling of antibodies, proteins and other molecules.

UOM: 1 * 25 mg

Catalog Number: (PIER21651)

Supplier: Thermo Scientific

Description: Thermo Scientific Pierce LC-SPDP is a long-chain crosslinker for amine-to-sulfhydryl conjugation via NHS-ester and pyridyldithiol reactive groups that form cleavable (reducible) disulfide bonds with cysteine sulfhydryls.

UOM: 1 * 50 mg

Catalog Number: (PIERPG82081)

Supplier: Thermo Scientific

Description: Thermo Scientific Pierce Premium Grade DSP is our highest quality formulation of this popular amine-reactive, cleavable crosslinker, specially characterized for applications where product integrity and risk minimization are paramount.

UOM: 1 * 1 mg

Catalog Number: (PIER26168)

Supplier: Thermo Scientific

Description: Thermo Scientific Pierce LC-SDA (NHS-LC-Diazirine) combines proven NHS-ester and diazirine-based photoreaction chemistries with conjugate amine-containing molecules with nearly any other functional group via long-wave UV-light activation. A 12.5Å spacer arm separates the two photoreactive groups.

UOM: 1 * 50 mg

Supplier: Thermo Scientific

Description: Thermo Scientific Pierce DSP (Lomant's Reagent) is a water-insoluble, homo-bifunctional N-hydroxysuccimide ester (NHS ester) crosslinker that is thiol-cleavable, primary amine-reactive, and useful for many applications. DSP contains an amine-reactive NHS ester at each end of an 8-carbon spacer arm. NHS esters react with primary amines at pH 7–9 to form stable amide bonds and releasing N-hydroxy-succinimide. Proteins, including antibodies, generally have several primary amines in the side chain of lysine (K) residues and the N-terminus of each polypeptide that are available as targets for NHS ester crosslinking reagents. DSP is non-sulfonated and insoluble in water, so it must first be dissolved in an organic solvent and then added to the aqueous reaction mixture. Because DSP does not possess a charged group, it is lipophilic and membrane-permeable and so useful for intracellular and intramembrane conjugation. A sulfonated analog of DSP (DTTSP) is water soluble. DSS, the non-cleavable analog of the DSP crosslinker is also available for applications that require a stable spacer arm that cannot be cleaved in the presence of reducing agents.

Catalog Number: (PIER22360)

Supplier: Thermo Scientific

Description: Thermo Scientific Pierce SMCC is a hetero-bifunctional crosslinker that contain N-hydroxysuccinimide (NHS) ester and maleimide groups that allow covalent conjugation of amine- and sulfhydryl-containing molecules. NHS esters react with primary amines at pH 7–9 to form amide bonds, while maleimides react with sulfhydryl groups at pH 6.5–7.5 to form stable thioether bonds. In aqueous solutions, NHS ester hydrolytic degradation is a competing reaction whose rate increases with pH. The maleimide group is more stable than the NHS-ester group, but will slowly hydrolyze and lose its reaction specificity for sulfhydryls at pH values > 7.5. For these reasons, conjugations with these crosslinkers are usually performed at pH 7.2–7.5, with the NHS ester (amine-targeted) reacted before or simultaneous with the maleimide (sulfhydryl-targeted) reaction.

UOM: 1 * 50 mg

MSDS

Catalog Number: (PIER22362)

Supplier: Thermo Scientific

Description: Thermo Scientific Pierce LC-SMCC is an amine-to-sulfhydryl crosslinker that contains NHS-ester and maleimide reactive groups at opposite ends of a long cyclohexane-stabilized spacer arm (16.2 angstroms).

UOM: 1 * 50 mg

Catalog Number: (BC92)

Supplier: G-Biosciences

Description: This sulpho-SHPP (water-soluble Bolton-Hunter Reagent) is designed to aid the labelling of proteins with radioactive iodine. Radioactive iodine (¹²⁵I) is routinely used by researchers to label proteins. The iodination of proteins can be performed enzymatically or chemically.

UOM: 1 * 100 mg