SET domain [82199] (3) duplication: the core is composed of two structural repeats similar to (circularly permuted) repeats of AFPIII also contains a substrate-binding alpha+beta subdomain inserted in the core uperfamily
dUTPase-like [51283] (1) forms tight trimer through an additional beta-sheet in each subunit subunit beta-sheets are orthogonally packed around the three-fold axis uperfamily