Skip to main content
. 2016 Sep 2;6(3):37. doi: 10.3390/life6030037

Figure 1.

Figure 1

Thymine-thymine cyclobutane pyrimidine dimer (T^T CPD) forms via butane ring cyclization between adjacent thymines on the same strand of DNA. Similar chemistry occurs at the other bipyrimidine nucleotides TC, CT, and CC [27].