For anammox bacteria, the sensing and uptake of ammonium is essential and specialized proteins, like Ks-Amt5, mediate such processes. Here, authors perform biophysical, biochemical, and structural analysis on Ks-Amt5 and establish a role for this protein as an ammonium-sensing signal transducer.
- Tobias Pflüger
- Camila F. Hernández
- Susana L. A. Andrade