TY JOUR TI ON THE NATURE OF THE EMITTER IN LUCIFERIN-LUCIFERASE SYSTEM OF FIREFLIES KW bioluminescence KW firefly luciferase KW keno-enol tautomerism KW oxyluciferin JO Russian Journal of Biological Physics and Chemisrty AU Ugarova, N.N. AU Lomakina, G.Y. PY 2018 IS 3 PB Federal State Educational Institution of Higher Education Sevastopol State University