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.
The 47-kDa antigen of O. tsutsugamushi has significant sequence homology to hHtrA1 in a 151-amino-acid region. Red type indicates the three amino acids (histidine, aspartic acid, and serine) located in the catalytic site of human HtrA1; asterisks indicate identical amino acids; colons indicate semiconserved amino acids; and periods indicate similar amino acids.
