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Figure 1.
EDTA and nitrilotriacetate (a structural homolog of EDTA)
degradation pathway. The enzymes are EDTA monooxygenase (encoded
by emoA), NADH:FMN oxidoreductase (emoB), and
ethylenediaminediacetate/iminodiacetate oxygenase (idaA). Each
enzymatic step removes an acetate group as a glyoxylate. ED3A,
ethylenediaminetriacetate; EDDA, ethylenediaminediacetate; EDMA,
ethylenediaminemonoacetate; ED, ethylenediamine; NTA,
nitrilotriacetate; IDA, iminodiacetate; Gly, glycine.
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