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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: J Biol Inorg Chem. 2014 Mar 11;19(0):491–504. doi: 10.1007/s00775-014-1122-9

Fig. 8.

Fig. 8

Enzyme-substrate, intermediates and the enzyme-product complex observed in different subunits of the homogentisate dioxygenase (HGD) enzyme-substrate complex contained within the asymmetric unit of the enzyme crystal after reacting with O2 (PDB 3ZDS, 1.70 Å) [47]. Structures of the (A) [HGD(substrate)], (B) [HGD(semiquinone)(superoxo)], (C) [HGD(alkylperoxo)], and (D) the enzyme-product complexes.