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