9.B.428. The Uncharacterized Transmembrane Protein (UTMP) Family The members of this family have about 200 amino acyl residues with 5 TMSs. They are found in a variety of non-cultured bacteria and none is from a well characterized bacterium..
Examples:
TC#	Name	Organismal Type	Example
9.B.428.1.1	Uncharacterized protein of 213 aas and 5 TMSs in a 1 + 2 + 2 TMS arrangement.		*UP of Candidatus Peribacter riflensis* (groundwater metagenome)**

9.B.428.1.2	Uncharacterized protein of 192 aas and 5 TMSs in a 1 + 2 + 2 TMS arrangement.		UP of Candidatus Peribacteraceae bacterium (wastewater metagenome)

9.B.428.1.3	Uncharacterized protein of 191 aas and 5 TMSs in a 1 + 2 + 2 TMS arrangement.		UP of Candidatus Peregrinibacteria bacterium Gr01-1014_25 (aquifer metagenome)