The small protein SbtC is a functional component of the CO2 concentrating mechanism of cyanobacteria
Peter Walke, Carolin Poppitz, Niklas Menz, Wolfgang R. Hess, Robert L. Burnap, Martin Hagemann, Stephan Klähn
The paper identifies SbtC as a small protein involved in the cyanobacterial CO2 concentrating mechanism, showing it forms a trimeric complex with SbtA and SbtB to regulate bicarbonate exchange.
bioRxiv · Nov 25, 2025 · PreprintMicrobiology