2026-07-01 REL RCSB INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY EXPERIMENTAL_SUMMARY em_admin _em_admin.last_update STRUCTURE_SUMMARY atom_site chem_comp_atom chem_comp_bond em_admin pdbx_entry_details _atom_site.B_iso_or_equiv _atom_site.Cartn_x _atom_site.Cartn_y _atom_site.Cartn_z _atom_site.auth_atom_id _atom_site.label_atom_id _chem_comp_atom.atom_id _chem_comp_atom.pdbx_aromatic_flag _chem_comp_bond.atom_id_1 _chem_comp_bond.atom_id_2 _chem_comp_bond.pdbx_aromatic_flag _chem_comp_bond.value_order _em_admin.last_update _pdbx_entry_details.has_protein_modification DATA_COLLECTION atom_site chem_comp_atom chem_comp_bond em_admin _atom_site.auth_atom_id _atom_site.label_atom_id _chem_comp_atom.atom_id _chem_comp_bond.atom_id_1 _chem_comp_bond.atom_id_2 _em_admin.last_update EXPERIMENTAL_SUMMARY em_admin _em_admin.last_update RCSB RCSB 2022-08-17 2023-06-28 2023-06-28 2026-07-01 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) GM123159 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) GM124149 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) GM128656 United States Pellegrino J Lee DJ Fraser JS Seiple IB E. coli ribosome, solithromycin, siderophore conjugate, antibiotics, RIBOSOME Boyce JH Pellegrino J Lee DJ Ecker AK Seiple IB Fraser JS To Be Published 0353 8e3m FULLOVERLAP EMDB EMD-27868 associated EM volume

E. coli 50S ribosome bound to L-linker solithromycin conjugate

50S E. coli ribosome 50S E. coli ribosome 0 2 3 4 5 6 7 8 9 10 Escherichia coli 50S ribosomal RNA Escherichia coli 0.941795562 1 GGUUAAGCGACUAAGCGUACACGGUGGAUGCCCUGGCAGUCAGAGGCGAUGAAGGACGUGCUAAUCUGCGAUAAGCGUCG GUAAGGUGAUAUGAACCGUUAUAACCGGCGAUUUCCGAAUGGGGAAACCCAGUGUGUUUCGACACACUAUCAUUAACUGA AUCCAUAGGUUAAUGAGGCGAACCGGGGGAACUGAAACAUCUAAGUACCCCGAGGAAAAGAAAUCAACCGAGAUUCCCCC AGUAGCGGCGAGCGAACGGGGAGCAGCCCAGAGCCUGAAUCAGUGUGUGUGUUAGUGGAAGCGUCUGGAAAGGCGCGCGA UACAGGGUGACAGCCCCGUACACAAAAAUGCACAUGCUGUGAGCUCGAUGAGUAGGGCGGGACACGUGGUAUCCUGUCUG AAUAUGGGGGGACCAUCCUCCAAGGCUAAAUACUCCUGACUGACCGAUAGUGAACCAGUACCGUGAGGGAAAGGCGAAAA GAACCCCGGCGAGGGGAGUGAAAAAGAACCUGAAACCGUGUACGUACAAGCAGUGGGAGCACGCUUAGGCGUGUGACUGC GUACCUUUUGUAUAAUGGGUCAGCGACUUAUAUUCUGUAGCAAGGUUAACCGAAUAGGGGAGCCGAAGGGAAACCGAGUC UUAACUGGGCGUUAAGUUGCAGGGUAUAGACCCGAAACCCGGUGAUCUAGCCAUGGGCAGGUUGAAGGUUGGGUAACACU AACUGGAGGACCGAACCGACUAAU(1MG)(PSU)(5MU)GAAAAAUUAGCGGAUGACUUGUGGCUGGGGGUGAAAGGCCA AUCAAACCGGGAGAUAGCUGGUUCUCCCCGAAAGCUAUUUAGGUAGCGCCUCGUGAAUUCAUCUCCGGGGGUAGAGCACU GUUUCGGCAAGGGGGUCAUCCCGACUUACCAACCCGAUGCAAACUGCGAAUACCGGAGAAUGUUAUCACGGGAGACACAC GGCGGG(PSU)GCUAACGUCCGUCGUGAAGAGGGAAACAACCCAGACCGCCAGCUAAGGUCCCAAAGUCAUGGUUAAGUG GGAAACGAUGUGGGAAGGCCCAGACAGCCAGGAUGUUGGCUUAGAAGCAGCCAUCAUUUAAAGAAAGCGUAAUAGCUCAC UGGUCGAGUCGGCCUGCGCGGAAGAUGUAACGGGGCUAAACCAUGCACCGAAGCUGCGGCAGCGACGCUUAUGCGUUGUU GGGUAGGGGAGCGUUCUGUAAGCCUGCGAAGGUGUGCUGUGAGGCAUGCUGGAGGUAUCAGAAGUGCGAAUGCUGACAUA AGUAACGAUAAAGCGGGUGAAAAGCCCGCUCGCCGGAAGACCAAGGGUUCCUGUCCAACGUUAAUCGGGGCAGGGUGAGU CGACCCCUAAGGCGAGGCCGAAAGGCGUAGUCGAUGGGAAACAGGUUAAUAUUCCUGUACUUGGUGUUACUGCGAAGGGG GGACGGAGAAGGCUAUGUUGGCCGGGCGACGGUUGUCCCGGUUUAAGCGUGUAGGCUGGUUUUCCAGGCAAAUCCGGAAA AUCAAGGCUGAGGCGUGAUGACGAGGCACUACGGUGCUGAAGCAACAAAUGCCCUGCUUCCAGGAAAAGCCUCUAAGCAU CAGGUAACAUCAAAUCGUACCCCAAACCGACAC(6MZ)GGUGGUCAGGUAGAGAAUACCAAGGCGCUUGAGAGAACUCGG GUGAAGGAACUAGGCAAAAUGGUGCCGUAACUUCGGGAGAAGGCACGCUGAUAUGUAGGUGAGGUCCCUCGCGGAUGGAG CUGAAAUCAGUCGAAGAUACCAGCUGGCUGCAACUGUUUAUUAAAAACACAGCACUGUGCAAACACGAAAGUGGACGUAU ACGGUGUGACGCCU(2MG)CCCGGUGCCGGAAGGUUAAUUGAUGGGGUUAGCGCAAGCGAAGCUCUUGAUCGAAGCCCCG GUAAACGGCGGCCG(PSU)AAC(3TD)A(PSU)AACGGUCCUAAGGUAGCGAAA(5MU)UCCUUGUCGGGUAAGUUCCGA C(5MC)UGCACGAAUGGCGUAAUGAUGGCCAGGCUGUCUCCACCCGAGACUCAGUGAAAUUGAACUCGCUGUGAAGAUGC AGUGUACCCGCGGCAAGACGGAAAGACCCCGU(G7M)AACCUUUACUAUAGCUUGACACUGAACAUUGAGCCUUGAUGUG UAGGAUAGGUGGGAGGCUUUGAAGUGUGGACGCCAGUCUGCAUGGAGCCGACCUUGAAAUACCACCCUUUAAUGUUUGAU GUUCUAACGUUGACCCGUAAUCCGGGUUGCGGACAGUGUCUGGUGGGUAGUUUGACUG(OMG)GGCGGUCUCCUCCUAAA GAGUAACGGAGGAGCACGAAGGUUGGCUAAUCCUGGUCGGACAUCAGGAGGUUAGUGCAAUGGCAUAAGCCAGCUUGACU GCGAGCGUGACGGCGCGAGCAGGUGCGAAAGCAGGUCAUAGUGAUCCGGUGGUUCUGAAUGGAAGGGCCAUCGCUCAACG GAUAAAAGGUACUCCG(2MG)GGAUAACAGGC(PSU)GAUACCGCCCAAGAGUUCAUAUCGACGGCGGUGUUUGGCA (OMC)CUCG(2MA)(PSU)GUCGGCUCAUCACAUCCUGGGGCUGAAGUAGGUCCCAAGGGUAUGGC(OMU)GUUCGCCAU UUAAAGUGGUACGCGAGC(PSU)GGGUUUAGAACGUCGUGAGACAGU(PSU)CGGUCCCUAUCUGCCGUGGGCGCUGGAG AACUGAGGGGGGCUGCUCCUAGUACGAGAGGACCGGAGUGGACGCAUCACUGGUGUUCGGGUUGUCAUGCCAAUGGCACU GCCCGGUAGCUAAAUGCGGAAGAGAUAAGUGCUGAAAGCAUCUAAGCACGAAACUUGCCCCGAGAUGAGUUCUCCCUGAC CCUUUAAGGGUCCUGAAGGAACGUUGAAGACGACGACGUUGAUAGGCCGGGUGUGUAAGCGCAGCGAUGCGUUGAGCUAA CCGGUACUAAUGAACCGUGAGGCUUAACCUU 5S ribosomal RNA Escherichia coli 0.038177762000000004 1 GCCUGGCGGCCGUAGCGCGGUGGUCCCACCUGACCCCAUGCCGAACUCAGAAGUGAAACGCCGUAGCGCCGAUGGUAGUG UGGGGUCUCCCCAUGCGAGAGUAGGGAACUGCCAGGCA CP023870.1 50S ribosomal protein L2 Escherichia coli 0.029663244 1 Escherichia coli LEVO AVVKCKPTSPGRRHVVKVVNPELHKGKPFAPLLEKNSKSGGRNNNGRITTRHIGGGHKQAYRIVDFKRNKDGIPAVVERL EYDPNRSANIALVLYKDGERRYILAPKGLKAGDQIQSGVDAAIKPGNTLPMRNIPVGSTVHNVEMKPGKGGQLARSAGTY VQIVARDGAYVTLRLRSGEMRKVEADCRATLGEVGNAEHMLRVLGKAGAARWRGVRPTVRGTAMNPVDHPHGGGEGRNFG KHPVTPWGVQTKGKKTRSNKRTDKFIVRRRS P60422 50S ribosomal protein L15 Escherichia coli 0.015008470999999999 1 Escherichia coli LEVO MRLNTLSPAEGSKKAGKRLGRGIGSGLGKTGGRGHKGQKSRSGGGVRRGFEGGQMPLYRRLPKFGFTSRKAAITAEIRLS DLAKVEGGVVDLNTLKAANIIGIQIEFAKVILAGEVTTPVTVRGLRVTKGARAAIEAAGGKIEE A0A037Y8L6 50S ribosomal protein L4 Escherichia coli 0.022121566 1 Escherichia coli LEVO MELVLKDAQSALTVSETTFGRDFNEALVHQVVVAYAAGARQGTRAQKTRAEVTGSGKKPWRQKGTGRARSGSIKSPIWRS GGVTFAARPQDHSQKVNKKMYRGALKSILSELVRQDRLIVVEKFSVEAPKTKLLAQKLKDMALEDVLIITGELDENLFLA ARNLHKVDVRDATGIDPVSLIAFDKVVMTADAVKQVEEMLA A0A7U9FY55 50S ribosomal protein L3 Escherichia coli 0.022277534999999998 1 Escherichia coli LEVO MIGLVGKKVGMTRIFTEDGVSIPVTVIEVEANRVTQVKDLANDGYRAIQVTTGAKKANRVTKPEAGHFAKAGVEAGRGLW EFRLAEGEEFTVGQSISVELFADVKKVDVTGTSKGKGFAGTVKRWNFRTQDATHGNSLSHRVPGSIGQNQTPGKVFKGKK MAGQMGNERVTVQSLDVVRVDAERNLLLVKGAVPGATGSDLIVKPAVKA P60438 50S ribosomal protein L13 Escherichia coli 0.016050606 1 Escherichia coli LEVO MKTFTAKPETVKRDWYVVDATGKTLGRLATELARRLRGKHKAEYTPHVDTGDYIIVLNADKVAVTGNKRTDKVYYHHTGH IGGIKQATFEEMIARRPERVIEIAVKGMLPKGPLGRAMFRKLKVYAGNEHNHAAQQPQVLDI S1EW51 50S ribosomal protein L22 Escherichia coli K-12 K12 0.012253359 1 Escherichia coli LEVO METIAKHRHARSSAQKVRLVADLIRGKKVSQALDILTYTNKKAAVLVKKVLESAIANAEHNDGADIDDLKVTKIFVDEGP SMKRIMPRAKGRADRILKRTSHITVVVSDR P61175 50S ribosomal protein L32 Escherichia coli 0.006332249 1 Escherichia coli LEVO AVQQNKPTRSKRGMRRSHDALTAVTSLSVDKTSGEKHLRHHITADGYYRGRKVIAK A0A828UBL8 50S ribosomal protein L34 Escherichia coli 0.005397463 1 Escherichia coli LEVO MKRTFQPSVLKRNRSHGFRARMATKNGRQVLARRRAKGRARLTVSK B7MGC4 N-acetyl-L-tyrosyl-N-[(3M)-3-(1-{4-[(3aS,4R,7S,9R,10R,11R,13R,15R,15aR)-4-ethyl-7-fluoro-11-methoxy-3a,7,9,11,13,15-hexamethyl-2,6,8,14-tetraoxo-10-{[3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyranosyl]oxy}dodecahydro-2H-oxacyclotetradecino[4,3-d][1,3]oxazol-1(4H)-yl]butyl}-1H-1,2,3-triazol-4-yl)phenyl]-L-methioninamide 0.001181415 1 UIU singleParticle particle 7.5 ETHANE FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 0.4 1.6 GATAN K3 BIOQUANTUM (6k x 4k) 58.0 1 PHASE FLIPPING AND AMPLITUDE CORRECTION 2.25 FSC 0.143 CUT-OFF 250098 PROJECTION MATCHING PROJECTION MATCHING emd_27868_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 500 500 500 0 0 0 500 500 500 415.0 415.0 415.0 90.0 90.0 90.0 X Y Z -7.8853507 15.732157000000001 -0.055731107 0.48602182 0.83 0.83 0.83 AUTHOR ::::EMDATABANK.org::::EMD-27868:::: emd_27868_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 500 500 500 0 0 0 500 500 500 415.0 415.0 415.0 90.0 90.0 90.0 X Y Z -7.749163 15.665056999999999 -0.054625563 0.47823596 0.83 0.83 0.83 AUTHOR ::::EMDATABANK.org::::EMD-27868::::