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Figure 9
Comparison of AtzA with the alternative atrazine chlorohydrolase TrzN. (a) Superposition of an AtzA monomer (green) and a TrzN monomer (cyan). (b) Superposition of the active sites of AtzA (green) and a TrzN monomer (cyan). The active-site metals (Fe2+ and Zn2+; shown in orange and grey, respectively) are shown and the AtzA metal-binding ligands are labelled in green. The unique threonine (Thr325) of TrzN, which is equivalent to Asp327 in AtzA, is also labelled in cyan.

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
Volume 71| Part 3| February 2015| Pages 710-720
doi:10.1107/S1399004715000619
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