Correction: Pterin-based small molecule inhibitor capable of binding to the secondary pocket in the active site of ricin-toxin A chain

by Ryota Saito, Masaru Goto, Shun Katakura, Taro Ohba, Rena Kawata, Kazuki Nagatsu, Shoko Higashi, Kaede Kurisu, Kaori Matsumoto, Kouta Ohtsuka