Protocol for construction and characterization of direct electron transfer-based enzyme-electrode using gold binding peptide as molecular binder

STAR Protocols

In Seop Chang¹  Hyeryeong Lee¹  Eun Mi Lee¹  Stacy Simai Reginald¹ 

[1] School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea;

关键词: Atomic Force Microscopy (AFM);    Biophysics;    Biotechnology and bioengineering;    Material sciences;    Microscopy;    Molecular Biology;   

DOI  :  

来源: DOAJ

【 摘 要 】

Summary: Here, we present a protocol for constructing direct electron transfer (DET)-based enzyme-electrodes using gold-binding peptide (GBP). We describe fusion of four GBPs to flavin adenine dinucleotide (FAD)-dependent glucose dehydrogenase gamma-alpha complex (GDHγα), as model oxidoreductase, to generate four GDHγα variants. We then detail the measurements of catalytic and bioelectrochemical properties of these GDHγα variants on electrode together with surface morphology of GDHγα variants immobilized on gold surface. This protocol is useful for construction and validation of enzyme-based electrocatalytic system.For complete details on the use and execution of this protocol, please refer to Lee et al. (2021). : Publisher’s note: Undertaking any experimental protocol requires adherence to local institutional guidelines for laboratory safety and ethics.

【 授权许可】

Unknown