loop_
    _pdbx_chem_comp_feature.comp_id
    _pdbx_chem_comp_feature.type
    _pdbx_chem_comp_feature.value
    _pdbx_chem_comp_feature.source
        05L   'CARBOHYDRATE ANOMER'  beta      PDB
	05L   'CARBOHYDRATE ISOMER'  D         PDB
	07E   'CARBOHYDRATE RING'    pyranose  PDB