SWIB/MDM2 domain [47591] (1) core: 4 helices: open bundle; capped by two small 3-stranded beta-sheets duplication: consists of two structural repeats
Pre-protein crosslinking domain of SecA [81766] (1) core: 4 helices: bundle; flanked by two short beta-hairpins duplication: consists of two structural repeats
Ribbon-helix-helix [47597] (1) core: 4 helices; array of 2 hairpins, opened
Regulator of G-protein signaling, RGS [48096] (1) multihelical; consists of two all-alpha subdomains contains a 4-helical bundle with left-handed twist and up-and-down topology
SopE-like GEF domain [81831] (1) multihelical; consists of two all-alpha subdomains each containing a 3-helical bundle with right-handed twist
Variable surface antigen VlsE [74747] (1) multihelical; consists of two all-alpha subdomains; contains a 4-helical bundle with left-handed twist and up-and-down topology
YgfB-like [101326] (1) multihelical; consists of two tightly associated 3-helical bundles with different twists
alpha/alpha toroid [48207] (5) multihelical; up to seven alpha-hairpins are arranged in closed circular array; there may be sequence similarities between different superfamilies
Citrate synthase [48255] (1) multihelical; consists of two all-alpha domains
BRCA2 helical domain [81871] (1) multihelical; contains a 3-helical bundle surrounded by several shorter helices
BRCA2 tower domain [81877] (1) multihelical; contains a 3-helical Hin recombinase-like subdomain and two long dimerisation helices
H-NS histone-like proteins [81274] (1) multihelical oligomeric protein; structure of whole subunit is not known yet but are probably composed of three different domains