9.B.301. The Uncharacterized Archaeal and Bacterial 4-6 TMS Protein (UABP) Family These protein have about 370 - 410 aas and 4 - 6 TMSs. They may be homologous to ubiquitin ligases, for example as found in TC Family 8.A.112.
Examples:
TC#	Name	Organismal Type	Example
9.B.301.1.1	Uncharacterized protein of 396 aas and 6 TMSs.		UP of Lokiarchaeum sp. GC14_75

9.B.301.1.2	Uncharacterized protein of 370 aas and 6 TMSs.		UP of Candidatus Heimdallarchaeota archaeon

9.B.301.1.3	Uncharacterized protein of 285 aas and 4 N-terminal TMSs.		UP of Anaerolineaceae bacterium (subsurface metagenome)