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.
Sequence of PSPI where suggested active sites are marked in pink (I: Asn45-Asp50, II: Ser71-Phe80, III: around Lys95) and the ten possible conjugation sites are marked in magenta. Note that the proposed active site Lys95 is also a possible conjugation site.
