Ancestral proteins trace the emergence of substrate specificity and oligomerization within bacterial DEDDy dinucleases
Nucleases are crucial for various bacterial processes, including genome maintenance and host defense. Deoxydinucleases (diDNases), a class of Gram-positive bacteria–specific nucleases associated with mobile genetic elements, are homologous to nanoRNase C (NrnC) in Gram-negative bacteria but exhibit notable differences:...