Check to see if you sourced the forcefield files before the sequence
command.
Emmanuel
On Thu, Jul 21, 2011 at 10:28 AM, Aimin <aimin.guo.csun.edu> wrote:
> Dear Amber users,
>
> In tutorial B3, when I type TC5b = sequence {NASN LEU TYR ILE GLN TRP LEU
> LYS ASP GLY GLY PRO SER SER GLY ARG PRO PRO PRO CSER} in Xleap, I met the
> following problem: "sequence: Illegal UNIT at position #1" and cannot create
> the TC5b amino acid, for whatever the NumLock is turned on or turned off. I
> use Amber 11. Thank you in advance.
>
> Aimin
>
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Received on Thu Jul 21 2011 - 10:00:04 PDT