Structures of two LarA-like nickel-pincer nucleotide cofactor-utilizing enzymes with a single catalytic histidine residue. - Gatreddi S; Subramanian S; Sui D; Wang T; Urdiain-Arraiza J; Desguin B; Hausinger RP; Parent KN; Hu J (BioRxiv : the preprint server for biology, 2025)