Z-L-methionine N-hydroxysuccinimide ester
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Z-L-methionine N-hydroxysuccinimide ester

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Category
CBZ-Amino Acids
Catalog number
BAT-003364
CAS number
3392-01-6
Molecular Formula
C17H20N2O6S
Molecular Weight
380.41
Z-L-methionine N-hydroxysuccinimide ester
IUPAC Name
(2,5-dioxopyrrolidin-1-yl) (2S)-4-methylsulfanyl-2-(phenylmethoxycarbonylamino)butanoate
Synonyms
Z-L-Met-Osu; (S)-2,5-Dioxopyrrolidin-1-Yl 2-(((Benzyloxy)Carbonyl)Amino)-4-(Methylthio)Butanoate
Appearance
White powder
Purity
≥ 96% (HPLC)
Density
1.35 g/cm3
Melting Point
98-105 °C
Storage
Store at 2-8 °C
InChI
InChI=1S/C17H20N2O6S/c1-26-10-9-13(16(22)25-19-14(20)7-8-15(19)21)18-17(23)24-11-12-5-3-2-4-6-12/h2-6,13H,7-11H2,1H3,(H,18,23)/t13-/m0/s1
InChI Key
HWPGHRPTDZRQMZ-ZDUSSCGKSA-N
Canonical SMILES
CSCCC(C(=O)ON1C(=O)CCC1=O)NC(=O)OCC2=CC=CC=C2
1. Optimization of N-hydroxysuccinimide ester coupling with aminoallyl-modified RNA for fluorescent labeling
Mengyang Li Bioengineered. 2020 Dec;11(1):599-606. doi: 10.1080/21655979.2020.1765487.
Site-specific fluorescent labeling of RNA is crucial for obtaining the structural and dynamic information of RNAs by fluorescence techniques. Post-synthetic modification of RNA based on N-hydroxysuccinimide (NHS) coupling reaction is an economic, efficient and simple strategy to introduce fluorophore to samples. However, this strategy are not that frequently used in RNA molecules, and the reported reaction conditions and yields varied among different systems. This study results mainly focused on screening the reaction conditions (reactants concentrations, dimethylsulfoxide concentration, solution conditions, pH and reaction time) between NHS-linked fluorophore and aminoallyl-RNA (aa-RNA) to optimize the yield of fluorescent RNA up to 55%, doubled the initial yield. What's more, as low as one tenth of fluorescent reagent was used in our protocol compared with the reported protocols, greatly reducing the experimental cost. The protocol can be applied as a general guide potentially for RNA labeling by NHS-ester coupling reaction.
2. Fmoc N-hydroxysuccinimide ester: A facile and multifunctional role in N-glycan analysis
Chang Wang, Yike Wu, Sheng Liu, Liang Zhang, Bi-Feng Liu, Xin Liu Anal Chim Acta. 2020 Sep 22;1131:56-67. doi: 10.1016/j.aca.2020.07.044. Epub 2020 Jul 30.
N-glycans that are fluorescently tagged by glycosylamine acylation have become a promising way for glycan biomarker discovery. Here, we describe a simple and rapid method using Fmoc N-hydroxysuccinimide ester (Fmoc-OSu) to label N-glycans by reacting with their corresponding intermediate glycosylamines produced by microwave-assisted deglycosylation. After optimizing reaction conditions, this derivatization reaction can be effectively achieved under 40 °C for 1 h. Moreover, the comparison of fluorescent intensities for Fmoc-OSu, Fmoc-Cl and 2-AA labeling strategies were also performed. Among which, the fluorescent intensities of Fmoc-OSu labeled glycan derivatives were approximately 5 and 13 times higher than that labeled by Fmoc-Cl and 2-AA respectively. Furthermore, the developed derivatization strategy has also been applied for analyzing serum N-glycans, aiming to screen specific biomarkers for early diagnosis of lung squamous cell cancer. More interestingly, the preparation of free reducing N-glycan standards have been achieved by the combination of HPLC fraction of Fmoc labeled glycan derivatives and Fmoc releasing chemistry. Overall, this proposed method has the potential to be used in functional glycomic study.
3. Amine coupling through EDC/NHS: a practical approach
Marcel J E Fischer Methods Mol Biol. 2010;627:55-73. doi: 10.1007/978-1-60761-670-2_3.
Surface plasmon resonance (SPR) is one of the leading tools in biomedical research. The challenge in its use is the controlled positioning of one of the components of an interaction on a carefully designed surface. Many attempts in interaction analysis fail due to the non-functional or unsuccessful immobilization of a reactant onto the complex matrix of that surface. The most common technique for linking ligands covalently to a hydrophilic solid surface is amine coupling via reactive esters. In this chapter detailed methods and problem discussions will be given to assist in fast decision analysis to optimize immobilization and regeneration. Topics in focus are different coupling techniques for small and large molecules, streptavidin-biotin sandwich immobilization, and optimizing regeneration conditions.
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