38132
N-(5-Fluoresceinyl)maleimide
suitable for fluorescence, ≥90% (HPLC), BioReagent
Synonym(s):
5-Maleimido-fluorescein
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About This Item
Empirical Formula (Hill Notation):
C24H13NO7
CAS Number:
Molecular Weight:
427.36
NACRES:
NA.32
PubChem Substance ID:
UNSPSC Code:
12352111
MDL number:
InChI key
AYDAHOIUHVUJHQ-UHFFFAOYSA-N
SMILES string
Oc1ccc2c(Oc3cc(O)ccc3C24OC(=O)c5cc(ccc45)N6C(=O)C=CC6=O)c1
InChI
1S/C24H13NO7/c26-13-2-5-17-19(10-13)31-20-11-14(27)3-6-18(20)24(17)16-4-1-12(9-15(16)23(30)32-24)25-21(28)7-8-22(25)29/h1-11,26-27H
product line
BioReagent
assay
≥90% (HPLC)
fluorescence
λex 490 nm; λem 518 nm in 0.1 M Tris pH 8.0
suitability
corresponds for coupling to thiols, suitable for fluorescence
storage temp.
2-8°C
Quality Level
Related Categories
General description
N-(5-Fluoresceinyl) maleimide, also known as fluorescein-5-maleimide (FM), is a fluorescent derivatization reagent. The pH during the derivatization reaction plays a critical role.
Application
N-(5-Fluoresceinyl) maleimide or fluorescein-5-maleimide is used as a fluorescent biosensor to detect nanoparticles.
N-(5-Fluoresceinyl) maleimide (5-FM) is used to fluorescence label molecules such as proteins and peptides via their thiol groups.
N-(5-Fluoresceinyl) maleimide (5-FM) is used to fluorescence label molecules such as proteins and peptides via their thiol groups.
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
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Yumiko Takatsuka et al.
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Proton transport across biological membranes is a key step of the energy conservation machinery in living organisms, and it has been proposed that the membrane itself plays an important role in this process. In the present study we have investigated
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In gram-negative bacteria, transporters belonging to the resistance-nodulation-cell division (RND) superfamily of proteins are responsible for intrinsic multidrug resistance. Haemophilus influenzae, a gram-negative pathogen causing respiratory diseases in humans and animals, constitutively produces the multidrug efflux transporter AcrB (AcrB(HI)). Similar
Karl A Hassan et al.
Biochemistry, 45(51), 15661-15669 (2006-12-21)
The staphylococcal TetA(K) tetracycline exporter is classified within the major facilitator superfamily of transport proteins and contains 14 alpha-helical transmembrane segments (TMS). Using cysteine-scanning mutagenesis, 27 amino acid residues across and flanking putative TMS 10 of the TetA(K) transporter were
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Bioscience, biotechnology, and biochemistry, 75(10), 2001-2007 (2011-10-08)
Despite recent progress in fluorescence techniques employed to observe protein localization in living cells, the in vitro chloroplastic protein transport assay remains a useful tool for determining the destinations of proteins. Although an in vitro synthesized, radiolabeled precursor protein is
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