This bacterial family of proteins includes AtzH from Pseudomonas sp. sp. AtzH is thought to be an amidase responsible for converting 1,3-dicarboxyurea to allophanate. This protein, which adopts a dimeric assembly, shows a seven-stranded anti-parallel beta- sheet and three helices [1].

1: A novel decarboxylating amidohydrolase involved in avoiding metabolic dead ends during cyanuric acid catabolism in Pseudomonas sp. strain ADP. Esquirol L, Peat TS, Wilding M, Hartley CJ, Newman J, Scott C; PLoS One. 2018;13:e0206949. PMID:30399173