Fermentative Metal – Containing Bio-Nano complexes, Quantum Chemical Models of Their Active Centers and Applications in BiotechnologiesLudmila Uvarova, Ekaterina Romanova, Nikolai Korobov, Elena Obukhova and Ekaterina KrasikovaEPJ Web Conf., 224 (2019) 03010DOI: https://doi.org/10.1051/epjconf/201922403010