TCDB is operated by the Saier Lab Bioinformatics Group

9.B.274.  The Uncharacterized Bacterial Protein-19 (UBP19) Family

This family consists of proteins with sizes of ~200 - 250 aas with a variable number of TMSs, from 4 to about 8 with 5 TMSs being most common.  Nothing is known about their functions.