Extended Data Fig. 3: Potential Na+ binding site.
From: Structural mechanism of the active bicarbonate transporter from cyanobacteria
a, Potential Na+-binding site in BicA. b, Na+-binding site in the Na+- dependent dicarboxylate transporter VcINDY (PDB 4F35). c, Na+- binding site in a bacterial homologue of Na+/Cl--dependent neurotransmitter transporters LeuT (PDB 2A65).
