Not much more to say, except a rough PQR export which can be used by APBS and similar packages.
See http://github.com/timvdm/openbabel/commit/06628fbfabd7f86cf5e97769310654122255202e
See http://github.com/timvdm/openbabel/commit/06628fbfabd7f86cf5e97769310654122255202e