Dear Sir,<br>i'm one of the new gmx user. i have a problem with gromacs input file.<br>i'll be thanking if you help me.<br> <br>i'm working on protein system. i have pdb and itp file. in itp file there are hydrogen atoms but in pdb file no. so when i define top file the number of atoms don't match to each other and i get a fattal error. my forcefield in top file is ''ffgmx forcefield''. i'll be appriciate if you help me.<br>
<br>Regards,<br>Farhadian.