Biofuels

Thermostabilized enzyme created for biofuels production

Zoë Fisher of Bioenergy and Environmental Science (B-8) and collaborators from the University of Florida have created an enzyme that has the ability to capture carbon with much greater efficiency. The paper, which describes thermally stabilized human carbonic anhydrase II (HCA II), was published in the journal Protein Engineering: Design and Selection and featured on the cover. Carbonic anhydrases (CAs) are ubiquitous enzymes that regulate the interconversion of carbon dioxide (CO2) and bicarbonate. Within the human body, carbonic anhydrases control the acid-base balance in the blood and enable transport of CO2 out of tissue. HCA II is one of the fastest enzymes ever studied. These enzymes might serve as biocatalysts for carbon sequestration and biofuel production if they could function under harsh industrial conditions. Therefore, the researchers developed HCA II variants with enhanced thermostability while retaining high solubility and catalyticactivity.

Keywords: bioenergy biofuels environmental sceince protein engineering

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