9.B.337. The Uncharacterized Archaeal/Bacterial 4 TMS (UAB4) Family The proteins of the UAB4 family derive from a wide range of archaea and bacteria, but they are usually small proteins of about 130 aas with 4 TMSs.
Examples:
TC#	Name	Organismal Type	Example
9.B.337.1.1	Uncharacterized protein of 126 aas and 4 TMSs.		UP of Candidatus Heimdallarchaeota archaeon LC-3

9.B.337.1.2	Uncharacterized protein of 132 aas and 4 TMSs		UP of Methanobacterium congolense

9.B.337.1.3	Uncharacterized protein of 132 aas and 4 TMSs.		UP of Methanofollis ethanolicus

9.B.337.1.4	Uncharacterized protein of 228 aas and 4 TMSs		UP of Leptospira kobayashii