text: user9040: I have been trying to convert a multi entry sdf file to pdb using openbabel. Everytime I check the Generate 3D coordinates box I end up with .ENT files instead of .PDB files. What am I doing wrong.
  Thank you.
  
  user6322: An ent file is a pdb file. Just change the extension. PDBe for example provides their PDB files as such.
  
original_text: 9040: <p>I have been trying to convert a multi entry sdf file to pdb using openbabel. Everytime I check the Generate 3D coordinates box I end up with .ENT files instead of .PDB files. What am I doing wrong.</p>
  <p>Thank you.</p>
   6322: <p>An ent file is a pdb file. Just change the extension. <a href="https://www.ebi.ac.uk/pdbe/node/1" rel="nofollow noreferrer">PDBe</a> for example provides their PDB files as such.</p>
  