9.B.289. The Uncharacterized Archaeal Family 2 of 7 TMSs (Ar2-7) Family This is a small family of proteins found only in archaea of the Asgard superfamily of archaea.
Examples:
TC#	Name	Organismal Type	Example
9.B.289.1.1	Uncharacterized protein of 481 aas and 7 TMSs in an apparently 2 + 3 + 2 arrangement.		*UP of Lokiarchaeum* sp.**

9.B.289.1.2	Uncharacterized protein of 468 aas and 8 TMSs in a 3 + 3 + 2 arrangement.		UP of Candidatus Thorarchaeota archaeon

9.B.289.1.3	Uncharacterized protein of 350 aas and 7 TMSs in a 2 + 3 + 2 TMS arrangement.		UP of Candidatus Odinarchaeota archaeon

9.B.289.1.4	Uncharacterized protein of 461 aas and 8 or 9 TMSs in a 3 + 3 + 2 or 3 arrangement.		UP of Candidatus Heimdallarchaeota archaeon B3-JM-08 (marine sediment metagenome)