Crosslinking Reagents
Thermo Scientific™ BM(PEG)2 (1,8-bismaleimido-diethyleneglycol)
Crosslink sulfhydryls to sulfhydryls (cysteine residues) with this long, pegylated, water-soluble crosslinker composed of maleimide groups and 2-unit (14.7A) PEG 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™ LC-SMCC (succinimidyl 4-(N-maleimidomethyl)cyclohexane-1-carboxy-(6-amidocaproate))
Crosslink amines to sulfhydryls with this long crosslinker composed of NHS-ester and maleimide groups at ends of a stabilizing cyclohexane-containing, 15-atom spacer arm.
Thermo Scientific™ Pierce™ EDC, No-Weigh™ Format
Immobilize or conjugate proteins using 1-Ethyl-3-(3-dimethylaminopropyl) carbodiimide (CAS 25952-53-8), a water-soluble, carboxyl-to-amine crosslinker.
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-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™ SM(PEG)24 (PEGylated, long-chain 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™ EMCH (N-ε-maleimidocaproic acid hydrazide)
Crosslink sulfhydryls to periodate-treated glycoprotein sugars with this mid-length (11.8A) crosslinker containing maleimide and hydrazide groups.
Thermo Scientific™ SMPB (succinimidyl 4-(p-maleimidophenyl)butyrate)
Crosslink amines to sulfhydryls with this mid-length crosslinker composed of NHS-ester and maleimide groups at ends of an aromatic, 10-atom (11.6A) spacer arm.
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.
MilliporeSigma™ Calbiochem™ SMCC, Water-Soluble
Used for coupling enzymes to antibodies.
Thermo Scientific™ Sulfo-LC-SDA (Sulfo-NHS-LC-Diazirine) (sulfosuccinimidyl 6-(4,4'-azipentanamido)hexanoate)
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™ BS3-d0 (bis(sulfosuccinimidyl) suberate-d0)
Crosslink amines to amines using these heavy (deuterated) and light matched pairs of an 11.4A, NHS-ester crosslinker for mass spectrometry analysis of protein interactions.
Thermo Scientific™ DMS (dimethyl suberimidate)
Crosslink amines to amines with dimethyl suberimidate (CAS 34490-86-3); composed of imidoester groups at either end of a membrane-permeable, 8-atom spacer arm.
Thermo Scientific™ LC-SDA (NHS-LC-Diazirine) (succinimidyl 6-(4,4'-azipentanamido)hexanoate)
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).