[gmx-users] a question

[Mark Abraham]

shahrbanoo karbalaee wrote:
> dear sir/madam
> 
> I am doing MD ap peptide with gromacs.this peptide( 13 residue) has a 
> NH2 in c terminal.I change it from heteroatom to atom but it take a 
> error.and it say :I acnnot find C alpha for residue 14 NH2 WHILE 
> COMBINING tdb and rtp.what do i do ?

This is difficult to follow. Please express yourself better.

Mark