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# 4.11. PQR topology parser

Read atoms with charges from a PQR file (as written by PDB2PQR). No connectivity is deduced.

See also

The file format is described in `MDAnalysis.coordinates.PQR`.

`MDAnalysis.topology.PQRParser.``parse`(filename)

  Parse atom information from PQR file filename.

  Only reads the list of atoms. Reads the charges and radii from the PQR file and populates the `MDAnalysis.core.AtomGroup.Atom.charge` and `MDAnalysis.core.AtomGroup.Atom.radius` attribute.

  Returns : | MDAnalysis internal structure dict

  See also

  The structure dict is defined in `MDAnalysis.topology.PSFParser.parse()` and `PQRReader` is used to read the PQR file.

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