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Issue 37, 2016, Issue in Progress
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A new l-arabinose isomerase with copper ion tolerance is suitable for creating protein–inorganic hybrid nanoflowers with enhanced enzyme activity and stability

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Abstract

Protein–inorganic hybrid nanoflowers were prepared using Cu2+, PBS buffer, and a copper ion tolerant L-arabinose isomerase that was derived from Paenibacillus polymyxa (PPAI). The expensive rare sugar L-ribulose or D-tagatose was prepared utilizing these nanoflowers with L-arabinose or D-galactose as the substrate, respectively. The PPAI hybrid nanoflowers showed better enzyme stabilities in both thermal and acidic conditions. Meanwhile, long term batch production was successful showing high stability using these hybrid nanoflowers, which achieved a conversion rate of 61.8% from L-arabinose to L-ribulose.

Graphical abstract: A new l-arabinose isomerase with copper ion tolerance is suitable for creating protein–inorganic hybrid nanoflowers with enhanced enzyme activity and stability

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Publication details

The article was received on 17 Dec 2015, accepted on 17 Mar 2016 and first published on 21 Mar 2016


Article type: Communication
DOI: 10.1039/C5RA27035A
RSC Adv., 2016,6, 30791-30794

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    A new L-arabinose isomerase with copper ion tolerance is suitable for creating protein–inorganic hybrid nanoflowers with enhanced enzyme activity and stability

    Z. Xu, R. Wang, C. Liu, B. Chi, J. Gao, B. Chen and H. Xu, RSC Adv., 2016, 6, 30791
    DOI: 10.1039/C5RA27035A

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