As of 1 April 2026, the PSJD database will become an archive and will no longer accept new data. Current publications from Polish scientific journals are available through the Library of Science: https://bibliotekanauki.pl
This article reviews the current knowledge on the key cellular enzyme: citrate synthase [E.C.4.1.3.7]. The paper includes the description of genes, protein and active side structures, multienzyme complex formation, cellular functions and kinetic parameters. Some possible biotechnological application are presented.