An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Schematic of the different membrane proteins that bind solute binding proteins (SBPs) and their corresponding primary functions. LBD: Ligand binding domain, GGDEF: diguanylate cyclase; EAL: phosphodiesterase. In some cases binding of ligand-free SBP to receptor protein has been observed.