TCDB is operated by the Saier Lab Bioinformatics Group

9.b.246. The Uncharacterized 6 TMS Myxobacterial Protein (MyxoTM) Family 

This small uncharacterized family includes members that seem to be only found in Myxobacteria.  They are about 230 - 240 aas in length and have 6 TMSs.