Figure 1.

Domain structures of urea amidolyase and related proteins. Proteins that share the amidase (allophanate hydrolase) or the biotin-carboxylation domain are listed. The domains colored in grey are those that are not shared among these proteins. The domain structures are based on the InterPro protein domain database [38]. The abbreviations and approximate amino-acid lengths are given with the protein names. Amidase and urea carboxylase sequences exist as domains within the urea amidolyase protein or as single proteins by themselves. Similarly, the biotin-carboxylation sequence exists as a domain in various proteins as well as by itself as in the biotin-carboxylase protein.

Strope et al. BMC Evolutionary Biology 2011 11:80   doi:10.1186/1471-2148-11-80
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