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.
Amino acid sequence alignment of domains I and III in MtrF (PDB ID code 3PMQ), MtrC (PDB ID code 4LM8), OmcA (PDB ID code 4LMH), and UndA (PDB ID code 3UFK). Residues that orient toward the inner hydrophobic core in β-strands are underlined. Residues in α-helices (blue), β-strands (red), and disordered strands (green) are also shown.
