L_Aravind
A new family of polymerases related to superfamily A DNA polymerases and T7-like DNA-dependent RNA polymerases
A novel superfamily containing the β-grasp fold involved in binding diverse soluble ligands
Evolutionary connection between the catalytic subunits of DNA-dependent RNA polymerases and eukaryotic RNA-dependent RNA polymerases and the origin of RNA polymerases
MutL homologs in restriction-modification systems and the origin of eukaryotic MORC ATPases
Small but versatile: the extraordinary functional and structural diversity of the β-grasp fold
Unraveling the biochemistry and provenance of pupylation: a prokaryotic analog of ubiquitination