mkdir prosite
cd prosite
wget ftp://ftp.expasy.org/databases/prosite/ps_scan/ps_scan_linux_x86_elf.tar.gz
tar -xzf ps_scan_linux_x86_elf.tar.gz
cd ps_scan
wget ftp://ftp.expasy.org/databases/prosite/prosite.dat
export PATH=$PATH:/vol1/nuh/scripts/prosite/ps_scan
chmod +x pfscan pfsearch psa2msa

run -> perl ps_scan.pl fastafile