3-(N-Maleimidopropionyl)biocytin


CAS No. : 102849-12-7

102849-12-7
Price and Availability of CAS No. : 102849-12-7
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10mg $120 In-stock
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Cat. No. : HY-W020784
M.Wt: 523.60
Formula: C23H33N5O7S
Purity: >98 %
Solubility: DMSO : 12.5 mg/mL (ultrasonic;warming;heat to 60°C)
Introduction of 102849-12-7 :

3-(N-Maleimidopropionyl)biocytin is a cysteine-specific labeling reagent and non-membrane-permeable probe. 3-(N-Maleimidopropionyl)biocytin covalently modifies the exposed cysteine residues of yeast Tim44, conjugating the biotin moiety to the polypeptide chain. 3-(N-Maleimidopropionyl)biocytin determines the topology of membrane proteins by modifying the exposed cysteine residues on the outer side of the inner mitochondrial membrane[1]. In Vitro:3-(N-Maleimidopropionyl)biocytin (0.5 mM; 30 min at 4 °C) labels the single cysteine residue (Cys-369) of yeast Tim44 in intact mitochondria, demonstrating that the C-terminal domain of yeast Tim44 is exposed to the mitochondrial intermembrane space[1].
3-(N-Maleimidopropionyl)biocytin (0.5 mM; 30 min at 4 °C) does not label rat liver Tim44 in either intact or solubilized mitochondria, demonstrating that all cysteine residues of rat liver Tim44 are inaccessible to the reagent[1].

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