2026-09-30 REL RCSB INITIAL_RELEASE REPOSITORY RCSB RCSB 2025-06-17 2026-09-30 2026-09-30 2026-09-30 National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID) AI149778 United States National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID) AI081059 United States National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID) AI153358 United States Constituent EM map: Focused refinement LptADE of outer membrane and periplasmic portions of the E. coli lipopolysaccharide transport bridge Taylor RJ Pahil KS Walsh Jr RM Kahne DE Complex, Lipopolysaccharide, ABC, ATP binding cassette, transporter, bridge, intermembrane, LIPID TRANSPORT Taylor RJ Pahil KS Walsh Jr RM Kahne DE Structural basis for regulating lipopolysaccharide transmembrane transport To Be Published 0353 EMDB EMD-71292 associated EM volume Intermembrane lipopolysaccharide transport bridge composed of LptD, LptE, LptA, LptC, LptF, LptG, and two molecules of LptB Intermembrane lipopolysaccharide transport bridge composed of LptD, LptE, LptA, LptC, LptF, LptG, and two molecules of LptB 0 1 2 3 Escherichia coli Outer membrane portion of lipopolysaccharide transporter 1 1 2 3 Escherichia coli Inner membrane portion of lipopolysaccharide transporter 1 Escherichia coli LptD Escherichia coli Escherichia coli LEVO MKKRIPTLLA TMIATALYSQ QGLAADLASQ CMLGVPSYDR PLVQGDTNDL PVTINADHAK GDYPDDAVFT GSVDIMQGNS RLQADEVQLH QKEAPGQPEP VRTVDALGNV HYDDNQVILK GPKGWANLNT KDTNVWEGDY QMVGRQGRGK ADLMKQRGEN RYTILDNGSF TSCLPGSDTW SVVGSEIIHD REEQVAEIWN ARFKVGPVPI FYSPYLQLPV GDKRRSGFLI PNAKYTTTNY FEFYLPYYWN IAPNMDATIT PHYMHRRGNI MWENEFRYLS QAGAGLMELD YLPSDKVYED EHPNDDSSRR WLFYWNHSGV MDQVWRFNVD YTKVSDPSYF NDFDNKYGSS TDGYATQKFS VGYAVQNFNA TVSTKQFQVF SEQNTSSYSA EPQLDVNYYQ NDVGPFDTRI YGQAVHFVNT RDDMPEATRV HLEPTINLPL SNNWGSINTE AKLLATHYQQ TNLDWYNSRN TTKLDESVNR VMPQFKVDGK MVFERDMEML APGYTQTLEP RAQYLYVPYR DQSDIYNYDS SLLQSDYSGL FRDRTYGGLD RIASANQVTT GVTSRIYDDA AVERFNISVG QIYYFTESRT GDDNITWEND DKTGSLVWAG DTYWRISERW GLRGGIQYDT RLDNVATSNS SIEYRRDEDR LVQLNYRYAS PEYIQATLPK YYSTAEQYKN GISQVGAVAS WPIADRWSIV GAYYYDTNAN KQADSMLGVQ YSSCCYAIRV GYERKLNGWD NDKQHAVYDN AIGFNIELRG LSSNYGLGTQ EMLRSNILPY QNTL LptE Escherichia coli Escherichia coli LEVO MRYLATLLLS LAVLITAGCG WHLRDTTQVP STMKVMILDS GDPNGPLSRA VRNQLRLNGV ELLDKETTRK DVPSLRLGKV SIAKDTASVF RNGQTAEYQM IMTVNATVLI PGRDIYPISA KVFRSFFDNP QMALAKDNEQ DMIVKEMYDR AAEQLIRKLP SIRAADIRSD EEQTSTTTDT PATPARVSTT LGN LptC LptA fusion Escherichia coli
LptC fused to LptA and a his tag
Escherichia coli LEVO MSKARRWVIIVLSLAVLVMIGINMAEKDDTAQVVVNNNDPTYKSEHTDTLVYNPEGALSYRLIAQHVEYYSDQAVSWFTQPVLTTFDKDKIPTWSVKADKAKLTNDRMLYLYGHVEV NALVPDSQLRRITTDNAQINLVTQDVTSEDLVTLYGTTFNSSGLKMRGNLRSKNAELIEKVRTSYEIQNKQTQPLVP GGSGGGGSGGGGSGGGGSVTGDTDQPIHIESDQQSLDMQG NVVTFTGNVIVTQGTIKINADKVVVTRPGGEQGKEVIDGYGKPATFYQMQDNGKPVEGHASQMHYELAKDFVVLTGNAYLQQVDSNIKGDKITYLVKEQKMQAFSDKGKRVTTVLVP SQLQDKNNKGQTPAQKKGNLVPRGSHHHHHHH singleParticle particle 8.0 20.0 NH2C(CH2OH)3 Tris pH 8 150.0 NaCl Sodium Chloride 0.02 C56H92O25 glyco-diosgenin 1.0 C3H8O3 glycerol 1.0 C2H6OS DMSO 1.0 C2H6O2 ethylene glycol
20mM Tris HCl, 150mM NaCl, 1% glycerol, 1% DMSO, 1% ethylene glycol, 0.02% GDN
 ETHANE 100 277 FEI VITROBOT MARK IV
This sample was monodisperse as determined by SEC.
 TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 1.1 2.2 GATAN K3 BIOCONTINUUM (6k x 4k) 63.918 1 1400000 cryoSPARC PHASE FLIPPING AND AMPLITUDE CORRECTION
Ab initio model generated based on the data using cryoSPARC
 3.8 FSC 0.143 CUT-OFF cryoSPARC 165070 RANDOM ASSIGNMENT cryoSPARC MAXIMUM LIKELIHOOD cryoSPARC cryoSPARC emd_71292.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 600 600 600 0 0 0 600 600 600 495.0 495.0 495.0 90.0 90.0 90.0 X Y Z -0.07247258 0.143795 0.0000904357 0.002445076 0.825 0.825 0.825 0.0353 AUTHOR Unsharpened map emd_71292_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 600 600 600 0 0 0 600 600 600 495.0 495.0 495.0 90.0 90.0 90.0 X Y Z -0.19764626 0.3176985 0.0000904357 0.004064003 0.825 0.825 0.825 AUTHOR Sharpened map emd_71292_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 600 600 600 0 0 0 600 600 600 495.0 495.0 495.0 90.0 90.0 90.0 X Y Z -0.23040612 0.24034116 0.00006967285 0.026664993 0.825 0.825 0.825 AUTHOR emd_71292_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 600 600 600 0 0 0 600 600 600 495.0 495.0 495.0 90.0 90.0 90.0 X Y Z -0.23337193 0.25564006 0.00006947712 0.026656784 0.825 0.825 0.825 AUTHOR Half map