Data items in the EM_ENTITY_ASSEMBLY_MOL_WT category record details of the molecular weight of structural elements in each component.
loop_ _em_entity_assembly_mol_wt.id _em_entity_assembly_mol_wt.entity_assembly_id _em_entity_assembly_mol_wt.mol_wt _em_entity_assembly_mol_wt.mol_wt_method _em_entity_assembly_mol_wt.details 1 1 12000 Calculated 'predicted from gene sequence'