Electrostatics / pdb2pqr

PDB2PQR - determining titration states, adding missing atoms, and assigning charges/radii to biomolecules.
http://www.poissonboltzmann.org/
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HIP residues getting renamed to HI+ using the pip tool #397

Closed beta-sheet closed 2 weeks ago

beta-sheet commented 2 weeks ago

I am using pdb2pqr from pip to convert residue naming to an AMBER compatible format. When the PDB contains a HIP residue (example attached), it gets converted to HI+ which is not compatible with the AMBER force field. Using the server instead I get the correct PQR with HIP residues left intact.

I'm using pdb2pqr ver 3.6.2, with the command pdb2pqr --ff AMBER --ffout PARSE --titration-state-method=propka --with-ph=7 receptor.pdb receptor.pqr

receptor.pdb.zip

EDIT: found the issue, removing --ffout PARSE fixed it.