Eulberg D, Lakner S, Golovleva LA, Schlomann M (1998)
Characterization of a protocatechuate catabolic gene cluster from Rhodococcus opacus 1CP: evidence for a merged enzyme with 4-carboxymuconolactone-decarboxylating and 3-oxoadipate enol-lactone-hydrolyzing activity
Journal of Bacteriology 180: 1072

Eulberg D, Kourbatova EM, Golovleva LA, Schlomann M (1998)
Evolutionary relationship between chlorocatechol catabolic enzymes from Rhodococcus opacus 1CP and their counterparts in proteobacteria: sequence divergence and functional convergence
Journal of Bacteriology 180: 1082