Crosslinking Reagents
Crosslinking Reagents
Thermo Scientific™ NHS-Azide
Activated azido compounds to derivatize proteins or amine surfaces for selective conjugation, detection or purification by phosphine-modified probes.
Thermo Scientific™ KMUH (N-κ-maleimidoundecanoic acid hydrazide)
Crosslink sulfhydryls to periodate-treated glycoprotein sugars with this long (19.0A) crosslinker containing maleimide and hydrazide groups.
Thermo Scientific™ SDA (NHS-Diazirine) (succinimidyl 4,4'-azipentanoate)
Very short to mid-length (3.9 to 13.5A), amine-to-anything crosslinkers; NHS-ester and diazirine reactive groups; photoactivate with UV light (Amax 330 to 370nm).
Thermo Scientific™ PMPI (p-maleimidophenyl isocyanate)
Short (8.7A) hydroxyl-to-sulfhydryl crosslinker; isocyanate and maleimide groups; label -OH by urethane bonds for conjugation to cysteines by thioether bonds.
Thermo Scientific™ PDPH (3-(2-pyridyldithio)propionyl hydrazide)
Crosslink sulfhydryls to periodate-treated glycoprotein sugars via cleavable disulfide bonds using this short crosslinker containing pyridyldithiol and hydrazide groups.
Thermo Scientific™ SM(PEG)4 (PEGylated SMCC crosslinker)
Crosslink amines to sulfhydryls with these crosslinkers containing NHS-ester and maleimide groups at ends of water-soluble polyethylene glycol spacer arms (17.6 to 95.2A).
Thermo Scientific™ PEG4-SPDP (PEGylated, long-chain SPDP crosslinker)
Long (25.7A) amine-to-sulfhydryl crosslinker; NHS-ester and pyridyldithiol groups at ends of 4-unit polyethylene glycol spacer arm; forms cleavable disulfide bonds; water-soluble.
Thermo Scientific™ Sulfo-EMCS (N-ε-maleimidocaproyl-oxysulfosuccinimide ester)
Crosslink amines to sulfhydryls with this mid-length crosslinker composed of sulfo-NHS-ester and maleimide groups at ends of a water-soluble, 8-atom (9.4A) spacer arm.
Thermo Scientific™ Sulfo-KMUS (N-κ-maleimidoundecanoyl-oxysulfosuccinimide ester)
Crosslink amines to sulfhydryls with this long crosslinker composed of sulfo-NHS-ester and maleimide groups at ends of an aliphatic, 13-atom (16.3A) spacer arm.
Thermo Scientific™ EGS (ethylene glycol bis(succinimidyl succinate))
Crosslink amines to amines with this membrane permeable crosslinker composed of NHS-ester groups and a 16.1A hydroxylamine-cleavable spacer arm.
Thermo Scientific™ Sulfo-SDAD (Sulfo-NHS-SS-Diazirine) (sulfosuccinimidyl 2-((4,4'-azipentanamido)ethyl)-1,3'-dithiopropionate)
Very short to mid-length (3.9 to 13.5A), amine-to-anything crosslinkers; NHS-ester and diazirine reactive groups; photoactivate with UV light (Amax 330 to 370nm).
Thermo Scientific™ Pierce™ Controlled Protein-Protein Crosslinking Kit
Chemically conjugate any two purified proteins (antibodies, enzymes, carriers, etc.) using sulfo-SMCC crosslinker, a complete kit with modification reagents and buffers.
Thermo Scientific™ BM(PEG)3 (1,11-bismaleimido-triethyleneglycol)
Crosslink sulfhydryls to sulfhydryls (cysteine residues) with this long, pegylated, water-soluble crosslinker composed of maleimide groups and 3-unit (17.8A) PEG spacer arm.
Thermo Scientific™ DMP (dimethyl pimelimidate)
Crosslink amines to amines with dimethyl pimelimidate (CAS 58537-94-3); composed of imidoester groups and a membrane-permeable, 7-atom spacer arm.
Thermo Scientific™ DTBP (Wang and Richard's Reagent)
Crosslink amines to amines with dithiobispropionimidate; composed of imidoester groups at either end of a reducible (cleavable) disulfide-containing spacer arm.
Thermo Scientific™ L-Photo-Methionine
Diazirine analogs of leucine and methionine to express proteins in cell culture that will crosslink their protein interactors upon UV-light activation in vivo.
Thermo Scientific™ Pierce™ Premium Grade Sulfo-NHS (N-hydroxysulfosuccinimide)
Optimize applications where product integrity and risk minimization are paramount with our highest quality formulation of this N-hydroxysuccinimide modification reagent.
Thermo Scientific™ Pierce™ Premium Grade Sulfo-SMCC (sulfosuccinimidyl 4-(N-maleimidomethyl)cyclohexane-1-carboxylate)
Optimize applications where product integrity and risk minimization are paramount our highest quality formulation of this popular amine-to-sulfhydryl crosslinker.
Thermo Scientific™ Mass Spectrometry Cleavable Crosslinkers
Improve sensitivity of mass spectrometry detection of crosslinked proteins with DSSO and DSBU heterotrifunctional crosslinkers.
Thermo Scientific™ Sulfo-NHS (N-hydroxysulfosuccinimide), No-Weigh™ Format
Prepare amine-reactive sulfo-NHS-ester crosslinkers or enhance carbodiimide (EDC) conjugation for peptides or proteins using N-hydroxysulfosuccinimide, CAS 106627-54-7.
Thermo Scientific™ EZ-Link™ TFP Ester-PEG12-DBCO
A heterobifunctional crosslinker that contains an amine reactive tetrafluorophenyl (TFP) and a dibenzylcyclooctyne (DBCO) with a water solubilizing long PEG12 spacer in between. Use to label any primary amine containing molecule such as a protein to biomolecule with a distantly attached DBCO group.
Thermo Scientific™ SMPT (4-succinimidyloxycarbonyl-alpha-methyl-α(2-pyridyldithio)toluene)
Crosslink amines to sulfhydryls with this crosslinker containing NHS-ester and pyridyldithiol groups at the ends of an aromatic, 6-atom (11.2A) spacer arm.
Thermo Scientific™ Sulfo-NHS (N-hydroxysulfosuccinimide)
Prepare amine-reactive sulfo-NHS-ester crosslinkers or enhance carbodiimide (EDC) conjugation for peptides or proteins using N-hydroxysulfosuccinimide, CAS 106627-54-7.
Thermo Scientific™ MPBH (4-(4-N-maleimidophenyl)butyric acid hydrazide)
Crosslink sulfhydryls to periodate-treated glycoprotein sugars with this long (17.9A) crosslinker containing maleimide and hydrazide groups.
Thermo Scientific™ Sulfo-SIAB (sulfosuccinimidyl (4-iodoacetyl)aminobenzoate)
Crosslink amines to sulfhydryls with this mid-length, water-soluble crosslinker composed of sulfo-NHS-ester and iodoacetyl (haloacetyl) groups at ends of a 9-atom spacer arm.
Thermo Scientific™ Sulfo-MBS (m-maleimidobenzoyl-N-hydroxysulfosuccinimide ester)
Crosslink amines to sulfhydryls with this short, water-soluble crosslinker composed of sulfo-NHS-ester and maleimide groups at ends of an aromatic, 6-atom (7.3A) spacer arm.
Thermo Scientific™ SM(PEG)2 (PEGylated SMCC crosslinker)
Crosslink amines to sulfhydryls with these crosslinkers containing NHS-ester and maleimide groups at ends of water-soluble polyethylene glycol spacer arms (17.6 to 95.2A).
Thermo Scientific™ NHS-PEG4-Azide
Activated azido compounds to derivatize proteins or amine surfaces for selective conjugation, detection or purification by phosphine-modified probes.
Thermo Scientific™ Sulfo-GMBS (N-γ-maleimidobutyryl-oxysulfosuccinimide ester)
Crosslink amines to sulfhydryls with this short, water-soluble crosslinker composed of sulfo-NHS-ester and maleimide groups at ends of an aliphatic, 6-atom (7.3A) spacer arm.
Thermo Scientific™ GMBS (N-γ-maleimidobutyryl-oxysuccinimide ester)
Crosslink amines to sulfhydryls with this short crosslinker composed of NHS-ester and maleimide groups at ends of an aliphatic, 6-atom (7.3A) spacer arm.