loop_ _em_entity_assembly_naturalsource.id _em_entity_assembly_naturalsource.entity_assembly_id _em_entity_assembly_naturalsource.ncbi_tax_id _em_entity_assembly_naturalsource.organism _em_entity_assembly_naturalsource.strain _em_entity_assembly_naturalsource.tissue _em_entity_assembly_naturalsource.organelle _em_entity_assembly_naturalsource.cellular_location _em_entity_assembly_naturalsource.organ 1 8333 'Escherichia coli' K12 . . cytoplasm . .