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Proteomic identification of a fucosyltransferase from petals of milk thistle, Silybum marianum

  • Siddhartha Kumar Mishra (a1), Neelam S. Sangwan (a1), Manoj Kumar Srivastava (a2), Bhawana Mishra (a1) and Rajender Singh Sangwan (a1)...

Abstract

Fucosyltransferases are a group of enzymes that catalyse the transfer of l-fucose from a donor substrate to an acceptor molecule. Silybum marianum is also called ‘milk thistle’ due to its characteristic flower shape. It produces two major flavonoids: silymarin and silybin. The plant and its major secondary metabolites are used for treatment/recovery after chronic liver disease, liver rehabilitation after hepatitis and treatment of gallbladder disease. These compounds also act as antioxidants for scavenging free radicals and inhibiting lipid peroxidation. We identified two peptide motifs (YYEAYLSHADEK and TTPDPSCGR designated as motif 1 and motif 2, respectively) of a fucosyltransferase derived from S. marianum that are highly conserved in its counterparts across the plant species and sources. The nature and properties of the motifs are discussed in terms of their putative participation in catalysis and enzyme/active site conformation.

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Corresponding author

* Corresponding author. E-mail: sangwan.lab@gmail.com

References

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Keywords

Proteomic identification of a fucosyltransferase from petals of milk thistle, Silybum marianum

  • Siddhartha Kumar Mishra (a1), Neelam S. Sangwan (a1), Manoj Kumar Srivastava (a2), Bhawana Mishra (a1) and Rajender Singh Sangwan (a1)...

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