803642
LC-SPDP (succinimidyl 6-[3(2-pyridyldithio)propionamido]hexanoate)
Synonym(s):
Long chain-SPDP, N-[6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]-3-(2-pyridinyldithio)propanamide
About This Item
Recommended Products
Assay
≥95%
Quality Level
form
powder
mol wt
425.52
reaction suitability
reagent type: cross-linking reagent
storage condition
desiccated
solubility
DMSO or DMF: soluble
functional group
NHS ester
shipped in
ambient
storage temp.
2-8°C
General description
Features and Benefits
- Reactive groups: NHS ester and pyridyldithiol
- Reactive towards: amino and sulfhydryl groups
- Releases a detectable by-product when reacted with a free sulfhydryl group; by measuring the release of pyridine-2-thione at 343 nm, the reaction can be easily followed
- Disulfide bond in the spacer arm is readily cleaved by 10-50 mM DTT or TCEP at pH 8.5
- Spacer arm is also easily cleaved using reducing SDS-PAGE sample loading buffer
- Cleavable crosslinker allows separation of crosslinked products
- Water-insoluble (dissolve first in DMF or DMSO)
- SPDP crosslinker is membrane permeable, so crosslinking can be done inside the cells
- Compare to other varieties of SPDP-type reagents, including pegylated forms
Caution
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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