PSSpred (Protein Secondary Structure PREDiction) has been integrated into I-TASSER stand-alone package and an example of application is as below:
"$libdir/I-TASSERmod/runI-TASSER1.1.pl -libdir /home/yourname/I-TASSER -seqname 1a2bA -datadir /home/yourname/1a2bA -usrname yourname"
Meantime, old command still could be use as below:
$libdir/I-TASSERmod/runI-TASSER.pl -libdir /home/yourname/I-TASSER -seqname 1a2bA -datadir /home/yourname/1a2bA -usrname yourname