The question was about POPC script above (page 2). Could you please tell me how to define chain carbon number @C?
CHARMM> define unsat sele atom D 1 C2@C .and. chem CEL1 end
* WARNING *
Command ignored. Token not found: >C<
***** LEVEL 0 WARNING FROM *****
***** Error in parameter substitution.
Thank you,
Mihaela
