Gmx pdb2gmx error

User discussions
1

GROMACS version:2024.1
GROMACS modification: Yes
Here post your question
I’ve installed gromacs 2024.1 in ubuntu. When using gmx pdb2gmx -f pro.pdb -o pro.gro …command following error comes out

Error in user input:
Invalid command-line options
In command-line option -f
Failed to access file ‘alanine.pdb’.
The file could not be opened.
Reason: Permission denied
(call to fopen() returned error code 13)

2

You don’t have the pdb file in the directory,

3

No, the pdb file is present in the working directory.

4

check this, also your command is -f pro.pdb,