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9.B.407.  The 6 TMS Uncharacterized Archaeal/Bacterial Protein-18 (UABP18) Family

The proteins of this family have 6 TMSs in a 3 + 3 arrangement where the first 3 TMSs are spaced appart while the last 3 TMSs are spaced closely together. They are derived from bacteria and archaea.