Azotobacter vinelandii glutaredoxin D delivers the core cluster to nitrogenase cofactor scaffold protein NifU
Juan Andrés Collantes-García, Elena Rosa‐Núñez, Alejandro M. Armas, Daniel Raimunda, Ana Pérez‐González, Yisong Guo, Carlos Echávarri‐Erasun, Luis Manuel Rubio, Manuel González‐Guerrero
This study shows that GrxD delivers [Fe2S2] clusters to NifU, enabling [Fe4S4] synthesis and nitrogenase activity in Azotobacter vinelandii.
Journal of Biological Chemistry · Jun 22, 2026Peer-reviewedBiochemistry