Cryo-EM map of crosslinked E. coli TAM Complex in DDM detergent, interruption of density visible near TamA lateral gate

2026-09-30 REL RCSB INITIAL_RELEASE REPOSITORY RCSB RCSB 2026-09-10 2026-09-30 2026-09-30 2026-09-30 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) MIRA-R35GM131715 United States Cryo-EM map of crosslinked E. coli TAM Complex in DDM detergent, interruption of density visible near TamA lateral gate Schilling MA Reinisch KM Periplasm, outer membrane, AsmA, MEMBRANE PROTEIN Schilling MA Reinisch KM Cryo-EM map of crosslinked E. coli TAM Complex in DDM detergent, interruption of density visible near TamA lateral gate To Be Published 0353 EMDB EMD-79024 associated EM volume E. coli TAM Complex (TamA-TamB) E. coli TAM Complex (TamA-TamB) 0 1 2

Crosslinked with glutaraldehyde, in DDM detergent. For details regarding Cloning and Construct Design; Protein Purification; Cryo-EM Sample Preparation; and Cryo-EM Data Processing, please visit: dx.doi.org/10.17504/protocols.io.14egnp4q6v5d/v1 dx.doi.org/10.17504/protocols.io.bp2l6o86dlqe/v1 dx.doi.org/10.17504/protocols.io.261geqebjg47/v1 dx.doi.org/10.17504/protocols.io.q26g7q5k9lwz/v1

Escherichia coli DH5-alpha 0.2028 TamA Escherichia coli DH5-alpha

malE-6xHis-TEV-TamA(22-577)

Escherichia coli BL21(DE3) LEVO MKIKTGARILALSALTTMMFSASALAMAHHHHHHENLYFQGIQANVRLQVEGLSGQLEKNVRAQLSTIESDEVTPDRRFRARVDDAIREGLKALGYYQPTIEFDLRPPPKKGRQVLIAKVTPGVPVLIGGTDVVLRGGARTDKDYLKLLDTRPAIGTVLNQGDYENFKKSLTSIALRKGYFDSEFTKAQLGIALGLHKAFWDIDYNSGERYRFGHVTFEGSQIRDEYLQNLVPFKEGDEYESKDLAELNRRLSATGWFNSVVVAPQFDKARETKVLPLTGVVSPRTENTIETGVGYSTDVGPRVKATWKKPWMNSYGHSLTTSTSISAPEQTLDFSYKMPLLKNPLEQYYLVQGGFKRTDLNDTESDSTTLVASRYWDLSSGWQRAINLRWSLDHFTQGEITNTTMLFYPGVMISRTRSRGGLMPTWGDSQRYSIDYSNTAWGSDVDFSVFQAQNVWIRTLYDRHRFVTRGTLGWIETGDFDKVPPDLRFFAGGDRSIRGYKYKSIAPKYANGDLKGASKLITGSLEYQYNVTGKWWGAVFVDSGEAVSDIRRSDFKTGTGVGVRWESPVGPIKLDFAVPVADKDEHGLQFYIGLGPEL TamB Escherichia coli DH5-alpha

MGSS-6xHis-SQ-TamB(1-1259)

Escherichia coli BL21(DE3) LEVO MGSSHHHHHHSQMSLWKKISLGVVIVILLLLGSVAFLVGTTSGLHLVFKAADRWVPGLDIGKVTGGWRDLTLSDVRYEQPGVAVKAGNLHLAVGLECLWNSSVCINDLALKDIQVNIDSKKMPPSEQVEEEEDSGPLDLSTPYPITLTRVALDNVNIKIDDTTVSVMDFTSGLNWQEKTLTLKPTSLKGLLIALPKVAEVAQEEVVEPKIENPQPDEKPLGETLKDLFSRPVLPEMTDVHLPLNLNIEEFKGEQLRVTGDTDITVSTMLLKVSSIDGNTKLDALDIDSSQGIVNASGTAQLSDNWPVDITLNSTLNVEPLKGEKVKLKMGGALREQLEIGVNLSGPVDMDLRAQTRLAEAGLPLNVEVNSKQLYWPFTGEKQYQADDLKLKLTGKMTDYTLSMRTAVKGQEIPPATITLDAKGNEQQVNLDKLTVAALEGKTELKALLDWQQAISWRGELTLNGINTAKEFPDWPSKLNGLIKTRGSLYGGTWQMDVPELKLTGNVKQNKVNVDGTLKGNSYMQWMIPGLHLELGPNSAEVKGELGVKDLNLDATINAPGLDNALPGLGGTAKGLVKVRGTVEAPQLLADITARGLRWQELSVAQVRVEGDIKSTDQIAGKLDVRVEQISQPDVNINLVTLNAKGSEKQHELQLRIQGEPVSGQLNLAGSFDRKEERWKGTLSNTRFQTPVGPWSLTRDIALDYRNKEQKISIGPHCWLNPNAELCVPQTIDAGAEGRAVVNLNRFDLAMLKPFMPETTQASGIFTGKADVAWDTTKEGLPQGSITLSGRNVQVTQTVNDAALPVAFQTLNLTAELRNNRAELGWTIRLTNNGQFDGQVQVTDPQGRRNLGGNVNIRNFNLAMINPIFTRGEKAAGMVSANLRLGGDVQSPQLFGQLQVTGVDIDGNFMPFDMQPSQLAVNFNGMRSTLAGTVRTQQGEIYLNGDADWSQIENWRARVTAKGSKVRITVPPMVRMDVSPDVVFEATPNLFTLDGRVDVPWARIVVHDLPESAVGVSSDVVMLNDNLQPEEPKTASIPINSNLIVHVGNNVRIDAFGLKARLTGDLNVVQDKQGLGLNGQINIPEGRFHAYGQDLIVRKGELLFSGPPDQPYLNIEAIRNPDATEDDVIAGVRVTGLADEPKAEIFSDPAMSQQAALSYLLRGQGLESDQSDSAAMTSMLIGLGVAQSGQIVGKIGETFGVSNLALDTQGVGDSSQVVVSGYVLPGLQVKYGVGIFDSIATLTLRYRLMPKLYLEAVSGVDQALDLLYQFEF singleParticle particle 14 8.0 UltrAuFoil R1.2/1.3 GOLD 300 GLOW DISCHARGE 180 AIR 10.0

25 mA, Sputter Coater, (SCD005, Bal-Tec)

ETHANE 100 279.15 FEI VITROBOT MARK IV

TamA and TamB purified from 12 L and 28 L cells, respectively. Both proteins were incubated overnight at 10 degrees at a TamA:TamB molar ratio of approximately 1.7-2.5:1. 6-22 mg/mL final.

TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.7 1.4000000000000001 2.4 81000.0 GIF Quantum LS

2,167 images collected with 30 degree stage tilt.

GATAN K3 (6k x 4k) 3 27073 2.696 51.29

2,167 images collected with 30 degree stage tilt. Dose-fractionated into 50 frames of 0.054 seconds each. Super-resolution mode (0.534 Angstroms/pixel)

1 NONE 6.19 FSC 0.143 CUT-OFF cryoSPARC 4.5.3 Non-Uniform Refinement

745,024 particles underwent Ab Initio Reconstruction (above), followed by Heterogenous Refinement (300 voxel refinement box, 12 Angstrom initial resolution). Best volume then underwent Non-Uniform Refinement (above).

623763 MAXIMUM LIKELIHOOD cryoSPARC 4.5.3 Ab Initio Reconstruction

Ab Initio Reconstruction 2 Classes Maximum/Initial Resolution: 5/12 Angstroms Initial/Final Minibatch Size: 300/1000

MAXIMUM LIKELIHOOD cryoSPARC 4.5.3 Non-Uniform Refinement

Non-Uniform Refinement Non-Uniform AWF: 1.5 Minimize over per-particle scale specified

emd_79024.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 300 300 300 0 0 0 300 300 300 320.4 320.4 320.4 90.0 90.0 90.0 X Y Z -0.1167248 0.28333429 0.00077953655 0.012514335 1.068 1.068 1.068 0.0675 AUTHOR ::::EMDATABANK.org::::EMD-79024:::: emd_79024_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 300 300 300 0 0 0 300 300 300 320.4 320.4 320.4 90.0 90.0 90.0 X Y Z -0.13375224 0.30193573 0.0005824084 0.013056124 1.068 1.068 1.068 AUTHOR ::::EMDATABANK.org::::EMD-79024:::: emd_79024_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 300 300 300 0 0 0 300 300 300 320.4 320.4 320.4 90.0 90.0 90.0 X Y Z -0.1501324 0.30394438 0.00059010735 0.013069928 1.068 1.068 1.068 AUTHOR ::::EMDATABANK.org::::EMD-79024::::