SGNH_hydrolase subfamily, similar to arylesterase (7-aminocephalosporanic acid-deacetylating enzyme) of A. tumefaciens. SGNH hydrolases are a diverse family of lipases and esterases. The tertiary fold of the enzyme is substantially different from that of the alpha/beta hydrolase family and unique among all known hydrolases; its active site closely resembles the Ser-His-Asp(Glu) triad found in other serine hydrolases.
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