diverged from the GHMP Kinase family, lost the ATP-binding site

duplication, there are two structural repeats of this fold, each repeat is elaborated with additional structures forming the active site

related to the DNA gyrase/MutL family, contains extra C-terminal alpha/beta subdomain

duplication, there are two structural repeats of this fold

contains extra C-terminal alpha/beta subdomain

modification of the common fold, contains extra alpha-beta unit after strand 2, the extra strand is inserted between strands 3 and 4

modification of the common fold, contains extra alpha-beta unit after strand 2, the extra strand extends beta-sheet antiparallel to strand 3

partly overlaps with PF16897; an insert into G-domain rather than C-terminal extension; lacks the N-terminal strand of the superfamily fold

PF01768

region of PF10150