9.B.148 The Bacterial 4 TMS Putative DMT (B-4DMT) Family

The B-4DMT family includes many small proteins, all of which have 4 TMSs per polypeptide chain.  Homology with SMR-like proteins has not yet been established.  Archaeal homologues may be found in the A-4DMT Family (TC# 9.B.54).