Fold: Double-stranded beta-helix [51181]
one turn of helix is made by two pairs of antiparallel strands linked with short turns has appearance of a sandwich of distinct architecture and jelly-roll topology
Seed storage 7S protein [51188]
duplication: consists of two germin-like domains spatially arranged as subunits in the RmlC dimer; trimer is similar to the germin hexamer