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. Author manuscript; available in PMC: 2022 Sep 17.
Published in final edited form as: Nat Chem Biol. 2022 Mar 17;18(5):547–555. doi: 10.1038/s41589-022-00976-x

Fig. 5. Comaprison of MTR1 guanine binding site to purine riboswitches.

Fig. 5

(a) MTR1 active site with m1A and guanine (this work, pdb 7q7x). (b) M. florum riboswitch with 2'-deoxyguanosine (pdb 3ski). (c) B. subtilis xpt-pbuX riboswitch with guanine (pdb 1y27). (d) B. subtilis xpt-pbuX with m6G (pdb 3fo6).