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.
Multiple alignments of the serine protease domains of N. lugens trypsins . The ClustalX program was used for the alignments. The conserved and the type-conserved residues in the deduced amino acid sequences are indicated in black and gray shades, respectively. The active triad consisting of histidine, aspartic acid and serine residues required for catalytic activity is marked by asterisks.
