Mechanosensitive channel protein MscS (YggB), middle domain [82091]
forms homoheptameric ring structure very similar to those of the archaeal and eukaryotic Sm proteins
YgdI/YgdR-like [159052] (6)
Pfam 06004; DUF903, putative lipoprotein; both homohexameric and homoheptameric ring assemblies are observed in the crystals