addAtom (
        name,
        element,
        residue,
        loc,
        serialNumber=None,
        bondedTo=None,
        occupancy=None,
        )

findPt (
        n1,
        n2,
        n3,
        dist,
        angle,
        dihed,
        )

addDihedralAtom (
        name,
        element,
        n1,
        n2,
        n3,
        dist,
        angle,
        dihed,
        molecule=None,
        residue=None,
        bonded=None,
        occupancy=None,
        )

addBond (
        a1,
        a2,
        drawMode=None,
        halfbond=None,
        color=None,
        )

genAtomName ( element,  residue )