loop_
    _pdbx_entity_branch_link.link_id
    _pdbx_entity_branch_link.entity_id
    _pdbx_entity_branch_link.entity_branch_list_num_1
    _pdbx_entity_branch_link.comp_id_1
    _pdbx_entity_branch_link.atom_id_1
    _pdbx_entity_branch_link.leaving_atom_id_1
    _pdbx_entity_branch_link.atom_stereo_config_1
    _pdbx_entity_branch_link.entity_branch_list_num_2
    _pdbx_entity_branch_link.comp_id_2
    _pdbx_entity_branch_link.atom_id_2
    _pdbx_entity_branch_link.leaving_atom_id_2
    _pdbx_entity_branch_link.atom_stereo_config_2
    _pdbx_entity_branch_link.value_order
    _pdbx_entity_branch_link.details
    1 2 1 NAG O4 HO4 ? 2 GAL C1 O1 R sing ?
    2 2 2 GAL O2 HO2 ? 3 FUC C1 O1 R sing ?
    3 2 1 NAG O3 HO3 ? 4 FUC C1 O1 R sing ?