Research Article

Crystal Structure of Mouse Thymidylate Synthase in Tertiary Complex with dUMP and Raltitrexed Reveals N-Terminus Architecture and Two Different Active Site Conformations

Figure 3

2Fo-Fc electron density map at 1.8σ level showing dUMP, Raltitrexed, and catalytic Cys189 in the subunit B. Continuous electron density can be seen between Cys189 γS and dUMP C6 atoms. The γS-C6 distance of 2.43 Å is marked by dashed line.
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