Extended Data Fig. 4: Crystal structures of NTF2-like proteins and characterized enzymatic reactions.

a, Crystal structures of AkaM, SacM, CatM and MicM. b, The superimposed image of the four homologues. c, Representative crystal structures of NTF2-like proteins, including NgnD, SdnG, SnoaL, and tKSI. d, Diverse enzymatic reactions catalysed by NTF2-like proteins.