Roadblock/LC7 domain [103196] (1) alpha-beta(2)-alpha-beta(3)-alpha; structurally most similar to the SNARE-like superfamily with a circular permutation of the terminal helices uperfamily
YeeU-like [143737] (1) beta(2)-alpha-beta(3); 2 layers, a/b; there is an oligomerization interface instead of the 'missing' helical layer uperfamily
GlcG-like [143744] (1) alpha-beta(2)-alpha(3)-beta(2)-alpha; similar to the Roadblock/LC7 domain uperfamily