Copyright information:Taken from "ACRATA: a novel electron transfer domain associated to apoptosis and cancer"BMC Cancer 2004;4():98-98.Published online 29 Dec 2004PMCID:PMC546010.Copyright © 2004 Sanchez-Pulido et al; licensee BioMed Central Ltd. NOX1, NOX5, and DUOX1, belong to the Nox family. The proteins are drawn approximately to scale. The domains are named and located according to the Pfam and SMART protein domain databases [34-37]. Abbreviations: SP, SPTREMBL; SW, SWISSPROT.