HEADER    Model coordinates
 for PDB-CCD OXY
COMPND    OXY
AUTHOR    pdbccdutils 0.8.6
AUTHOR    RDKit 2023.09.6
HETATM    1  O1  OXY A   1      27.290  26.888  33.875  1.00 20.00           O
HETATM    2  O2  OXY A   1      26.630  27.419  32.640  1.00 20.00           O
CONECT    1    2    2
END