AKK1 (Acetobacter ketogenum 1) typically refers to a β-glucosidase gene derived from the Acetobacter genus, rather than a specific protein or enzyme family member. This gene is of significant importance in microbiology and biotechnology because it is involved in the degradation of cellulose and other polysaccharides, which is crucial for the development of biomass energy and other industrial applications. The expression and regulatory mechanisms of AKK1 may be specific to different microbes and host cells. Mutations or engineering modifications of AKK1 can be used to optimize enzyme-producing strains and improve enzyme activity or stability, enhancing its potential applications in biotransformation and biopharmaceuticals.