Crosslinking Reagents
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.
MilliporeSigma™ Calbiochem™ SATA
Reacts with primary amines to add protected sulfhydryl groups.
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™ DST (disuccinimidyl tartrate)
Crosslink amines to amines with disuccinimidyl tartrate, composed of NHS-ester groups and a diol-containing spacer arm (6.4A) that is periodate-cleavable.
Thermo Scientific™ Sulfo-LC-SPDP (sulfosuccinimidyl 6-(3'-(2-pyridyldithio)propionamido)hexanoate)
Crosslink amines to sulfhydryls with this water-soluble sulfo-NHS-ester and pyridyldithiol groups on 10-atom spacer arms to form cleavable disulfide bonds with cysteines.
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™ 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.
MilliporeSigma™ Calbiochem™ THIOLYTE™ Monobromobimane Reagent, Fluorescent Labeling Compound
Used to label E.coli thioredoxin.
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™ 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.
MilliporeSigma™ Calbiochem™ SMCC, Water-Soluble
Used for coupling enzymes to antibodies.
Thermo Scientific™ BMH (bismaleimidohexane)
Crosslink sulfhydryls to sulfhydryls (cysteine residues in proteins or peptides) with this long crosslinker composed of maleimide groups and 11-atom (13.0A) spacer arm.
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™ SIAB (succinimidyl (4-iodoacetyl)aminobenzoate)
Crosslink amines to sulfhydryls with this mid-length crosslinker composed of NHS-ester and iodoacetyl (haloacetyl) groups at ends of a 9-atom (10.6A) aminobenzoate spacer arm.
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.