TCDB is operated by the Saier Lab Bioinformatics Group

9.B.365.  The Putative 4 - 5 TMS DoxD (DoxD) superfamily

This family consists of small, 4 or 5 TMS proteins that are very diverse in sequence and belong to several distinct Pfam families.  At least some of these proteins are constituents of various dehydrogenases and oxidases.