PSGI or Perl Web Server Gateway Interface is an interface between Web servers and Perl-based Web applications and frameworks that allows writing portable applications that can be run as standalone servers or using CGI, FastCGI, mod_perl, et al. It is inspired by the Web Server Gateway Interface for Python, Rack for Ruby and JSGI for JavaScript. A ... Found on http://en.wikipedia.org/wiki/PSGI
``Pst``I, is a Type II restriction endonuclease (or restriction enzyme) from Providencia stuartii. PstI recognition and cut site are as follows: ... Found on http://en.wikipedia.org/wiki/PstI