Structural basis of coiled-coil domain-mediated inhibition of A. baumannii AbTir NAD+ nucleosidase activity
Weixi Gu, Mohammad Kawsar Manik, Chacko Jobichen, Matthieu Haudiquet, Jovita D'Silva, Chen-Yang Lai, Sulin Li, Xiaoqi Qian, Ashar J. Malik, David Benjamin Ascher, Randy J. Read, Jeremy J. Barr, Wai‐Hong Tham, Aude G. Bernheim, Gavin J. Knott, Boštjan Kobe
This study determines the crystal structure of AbTir, revealing how its coiled-coil domain inhibits NAD+ nucleosidase activity by disrupting symmetry and preventing NAD+ binding site formation.
bioRxiv · Oct 7, 2026 · PreprintBiochemistry