Fig. 1: Structure of the four diastereomers of the cyclobutane thymine dimer.
Cis (endo) and trans (exo) stereomers; syn (head-to-head) and anti (head-to-tail) regioisomers Trans-syn and cis-anti thymine dimers exist as enantiomeric pairs.
Fig. 1: Structure of the four diastereomers of the cyclobutane thymine dimer. | Nature Communications
