6Z12

Salmonella AcrB solubilised in the SMA copolymer


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.0 of the entry. See complete history


Literature

Cryo-EM Structure and Molecular Dynamics Analysis of the Fluoroquinolone Resistant Mutant of the AcrB Transporter fromSalmonella.

Johnson, R.M.Fais, C.Parmar, M.Cheruvara, H.Marshall, R.L.Hesketh, S.J.Feasey, M.C.Ruggerone, P.Vargiu, A.V.Postis, V.L.G.Muench, S.P.Bavro, V.N.

(2020) Microorganisms 8

  • DOI: https://doi.org/10.3390/microorganisms8060943
  • Primary Citation of Related Structures:  
    6Z12

  • PubMed Abstract: 

    Salmonella is an important genus of Gram-negative pathogens, treatment of which has become problematic due to increases in antimicrobial resistance. This is partly attributable to the overexpression of tripartite efflux pumps, particularly the constitutively expressed AcrAB-TolC. Despite its clinical importance, the structure of the Salmonella AcrB transporter remained unknown to-date, with much of our structural understanding coming from the Escherichia coli orthologue. Here, by taking advantage of the styrene maleic acid (SMA) technology to isolate membrane proteins with closely associated lipids, we report the very first experimental structure of Salmonella AcrB transporter. Furthermore, this novel structure provides additional insight into mechanisms of drug efflux as it bears the mutation (G288D), originating from a clinical isolate of Salmonella Typhimurium presenting an increased resistance to fluoroquinolones. Experimental data are complemented by state-of-the-art molecular dynamics (MD) simulations on both the wild type and G288D variant of Salmonella AcrB. Together, these reveal several important differences with respect to the E. coli protein, providing insights into the role of the G288D mutation in increasing drug efflux and extending our understanding of the mechanisms underlying antibiotic resistance.


  • Organizational Affiliation

    School of Biomedical Sciences, Faculty of Biological Sciences & Astbury Centre for Structural and Molecular Biology, University of Leeds, Leeds LS2 9JT, UK.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Efflux pump membrane transporter
A, B, C
1,049Salmonella enterica subsp. entericaMutation(s): 0 
Gene Names: 
acrBA4O23_10955A4O45_03810A5895_15265AAC70_12525AAL03_14960AAM89_07765AAV76_19425ABK55_05725ABO08_03475AC391_10965ACH21_19020ACK40_00105ACK79_15085ACS18_20650ACV85_05805ADQ53_03685ADQ64_15580ADT85_17470AF726_08820AG46_12710AG53_15950AGQ41_04335AGQ90_03080AGR09_08325AGR46_16415AH060_16145AH079_04350AH254_22600AH360_16970AH543_16315AH557_09130AH612_19020AH874_13175AHN36_15795AHN91_21865AHQ94_20600AHS94_22030AHU36_11045AHU48_23190AHX56_08240AHY46_22370AHZ72_05105AIA22_12165AIB97_16815AID13_02815AIE18_09140AIF85_07160AL864_02820AL929_23130ALX58_14045AU885_11650AVA95_03925AVB28_08510AVG51_11480AVH38_04545AXK79_19705AXM38_07800AXM50_14470AXM56_16685AXM65_18530AXM93_08445AXN14_02155AXN15_07580AXN21_06965AXN39_11550AXN51_12700AXN72_08000AXO05_08570AXO78_17315AXO93_15340AXQ08_14655AXR02_08970AXR82_02315AXR91_01290AXS04_01695AXS89_02055AXT07_05965AXT19_05915B9C63_11810BXE81_09065BXG02_07180BXG42_09370BXH36_10215BXH66_08040BXL85_11765BXO48_06645BZ557_12735BZ723_04100BZ903_08940BZV91_08875BZW24_03920BZW54_04755C9E93_06140C9E94_19180C9F01_08965C9F05_01290C9P23_10335C9Y45_03940CB317_01000CC394_01545CC530_00775CC828_04535CE94_19610CF93_04280CPY04_22475CQE41_07070CQF73_09855CQH69_04135CQM91_23105CSM01_01615CSN39_10900CSN48_19880CSN51_17860CSO96_14135CSP66_16145CST74_11845CST78_12945CV491_04375CWG53_02155CWG97_11285D4346_01325D4392_10020D4396_04285D4408_06485D4427_06950D4428_05215D4444_11555D4471_08450D4490_01015D4494_10470D4507_05270D4514_03660D4515_01545D4546_09390D4551_09260D4D97_05485D4D98_08570D4E01_09290D4E37_05350D4E64_10565D4E75_00440D4E90_05185D4F17_01060D4F19_04440D4F20_07155D4F29_07730D4F49_16455D4F54_04680D4F77_10190D4F87_02985D4F98_10640D4G07_10045D4G10_11575D4G50_05510D4X66_01450D4X67_01465D4X81_08350D4Y13_13605D4Y27_04430D4Y38_00790D4Y42_06150D4Y56_03795D4Y61_08865D4Y96_04575D4Z14_05470D4Z16_07845D4Z17_03400D4Z29_11545D4Z41_08675D4Z50_07970D4Z57_03410D4Z58_04655D4Z75_04825D5764_07825D5769_02495D5773_00875D5782_03660D5810_01285D5836_17200D5848_11770D5856_03150D5861_06225D5881_04345D5889_07675D5895_01345D5905_18015D5915_03200D5970_05735D5972_06010D5A61_03660D5A65_05805D5A76_04875D5A82_03865D5A94_12405D5B23_01450D5B60_01340D5B66_05165D5B94_03135D5C00_05295D5C12_08175D5C21_07220D5C32_06325D5C34_10465D5C40_07860D5C41_08390D5C46_12375D5C64_03810D5C69_08580D5O45_04325D5O48_05730D5O74_04490D5O78_09935D5O80_07835D5O86_11185D5P09_09970D5P22_01470D5P31_04355D5P36_04640D5P42_03925D5P52_00720D5P54_05700D5P59_05915D5P71_08860D5P75_03560D5P94_16990D5Q05_03935D5Q09_06085D5Q39_11635D5Q43_00445D5W53_06130D5W81_01065D5W91_06810D5X16_03865D5X20_07410D5X39_00990D5X56_02780D5X61_00680D5X72_03440D5X88_07550D5X91_04060D5Y01_00825D5Y06_08270D5Y08_23240D5Y41_01425D6331_01310D6379_03305D6389_04215D6413_06485D6429_04170D6448_15635D6453_04205D6455_06220D6467_08685D6J43_21925D6J46_01025D6J55_02800D6J67_02330D6J74_05385D6J84_08940D6K21_03765D6K24_01080D6K59_04410D6L05_07630D6P24_03240D6P41_01305D6P57_11975D6P63_03960D6Q07_11960D6Q21_01005D6Q25_01020D6Q70_23040D6Q87_10085D6Q96_09190D6Q97_04185D6R14_09640D6R58_05020D6R62_09555D6R98_02810D6S02_04705D6S13_01360D6S22_05290D6S36_05340D6S45_01045D6S47_07470D6S50_05845D6S52_07325D6S74_01450D6S83_06345D6S89_03890D6T18_03025D6T31_08100D6T37_07430D7M89_05935D7M98_11725D7N03_02455D7N07_08155D7N22_06745D7N26_22710D7N30_05075D7N47_05845D7N51_15930D7N52_04690D7N80_02885D7N86_17235D7O13_06330D7O17_07925D7O23_11190D7O25_01030D7O28_08970D7O59_06225D7O77_04615D8Q64_01020D8Q73_05540D8R14_01045D8R18_08390D8R62_10510D8R78_07850D8S31_02190D8S34_08660D8S35_08175D8S37_06530D8S38_08610D8S62_04305D8S66_05780D9O60_02875D9O71_05360D9O80_03040D9O86_13290D9O95_03895D9P04_07965D9P12_05975D9P13_14425D9P19_07675D9P28_09530D9P30_03370D9P43_10815D9P51_02955D9P55_07730D9P58_06870D9P68_09885D9P88_00985D9P92_02905D9P97_06685D9Q07_09260D9Q11_05725D9Q23_03710D9Q29_06205D9Q37_07930D9Q49_08285D9Q50_10325DAR35_01005DAW17_06730DAX91_07060DFQ85_05430DFR01_09160DK013_01025DK030_06300DK052_23015DK083_04615DK093_01040DK094_01025DK101_08130DK113_08305DK117_07485DK127_09260DK678_00070DK681_09420DK687_04055DK711_01855DK719_05700DK739_06740DK741_10685DK756_03460DK767_12285DKI70_07030DKJ03_09570DKJ07_05835DKS84_08230DKT00_02710DKT04_15920DKT21_12805DKT27_10265DKT52_07220DKU65_14915DKV05_06000DKV20_06200DKV25_04445DL088_11075DL104_17055DL110_05250DL111_06640DL115_01355DL130_03140DL146_02805DLB02_07650DLB18_08505DLB23_01000DLB36_10070DLB43_07510DLB46_07880DLB62_03890DLB73_00105DLC24_04935DLE90_18415DLF22_04805DLF29_05020DLF30_08180DLF33_10805DLF35_01005DLF36_02845DLM06_04560DLM09_00995DLM10_09965DLM30_04930DLQ73_12300DLQ79_01000DLQ86_15735DLQ92_03590DLR05_06915DLR06_01490DLR25_05290DLR57_10745DM001_07440DM006_09100DM016_05255DM323_06700DM347_08405DM358_08140DM367_10780DM371_02430DM700_18145DM703_02460DM705_08310DM743_09605DMA85_03170DMA89_15850DMB03_08830DMB04_15185DML85_00605DML97_09050DMM16_01960DMM17_11150DMM22_02845DMM24_11405DMM43_07890DMO61_03735DMO65_01050DMO79_09060DMU74_10415DMU80_09050DMU82_12600DMU94_09600DMV06_03650DMV13_03350DMV20_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SM85_11930DSM96_17705DSN05_00365DSN18_08025DSN41_12095DSQ65_01425DSQ94_01375DSR19_03505DSR78_10785DSR82_03690DSR83_08440DSR88_10410DSS12_01435DSS23_05770DSS37_03960DSS38_06180DSS62_22355DSS75_06400DSS77_03870DST00_18010DST18_17355DT136_10790DT138_00540DT142_21420DT150_04765DT159_10485DT168_04075DT188_03155DT193_04870DT208_00940DT222_17390DTE69_04010DTE86_06360DTF17_05870DTF33_02970DTF39_03290DTF59_06550DTF80_05780DTF85_01005DTF97_01065DTG02_02595DTG11_04415DTG12_07185DTG17_13435DTG24_05555DTG32_01040DTG45_10785DTG47_08540DTG49_04600DTG64_04755DTG68_11905DTG84_10305DTH05_03950DTH08_07170DTH13_09220DTT89_02880DTT93_01025DTT96_06630DTT99_02425DTU24_08720DTU25_07215DTU37_09945DTU48_07545DTU57_10990DTU59_09415DTU60_01035DTU87_17590DTV05_07485DTV16_05625DTV63_11510DTV88_17040DTV89_05155DTW09_15585DTW19_02845DU084_01010DU092_06545DU116_00420DU129_23205DU131_04030DU148_01355DU157_05050DU159_12015DU161_00750DU165_03845DU168_05890DU203_03365DU210_17755DU215_13830DU245_04670DU257_01045DU748_01890DU754_02765DU756_10340DU758_06015DU761_12840DU762_05800DU777_01410DU806_14595DU811_19780DU834_07665DU842_16540DU844_07525DU852_09995DU854_02500DU861_06795DU873_02415DU877_10080DU916_06380DU946_01030DU947_01060DU949_04885DU954_06100DUA40_08690DUA46_06400DUA52_07680DUA53_05475DUA65_00100DUA91_01005DUA93_13100DUB05_08355DUB53_09680DUB79_09560DUB80_04325DUB82_06390DUC24_06685DUC35_07030DUE02_23055DUP59_09460DUP60_01040DUP67_00775DUP70_02675DUP71_10245DUP74_21535DUP91_09330DUQ24_04285DUQ35_01340DUQ37_21005DUQ39_06135DUQ41_06535DUQ55_11365DUQ58_03480DUQ62_06195DUQ64_00590DUQ71_20825DUQ75_09255DUQ82_05805DUQ83_02605DUQ85_06520DUR69_18605DUR85_01530DUR88_02530DUR90_07210DUR96_16820DUU13_17140DUU22_03635DUU35_10475DUU38_03210DUU43_07880DUU44_03135DUU47_14840DUU54_17805DUU71_16085DUU78_10680DUU80_06735DUU92_05345DUV18_06490DUV49_17005DUV51_09990DUV63_07195DUV70_07150DUV72_12440DUV91_06335DUW11_05640DUW53_01400DV01_10115DVE93_04900DVF01_04210DVF33_03245DVF55_03535DVF58_17950DVG00_04280DVG02_02975DVG21_09825DVG27_01320DVG41_07205DVG59_06390E0U76_06940E1723_08390E5N87_02445EBB74_08700EBB77_10485EBB78_09315EBB82_05950EBB89_03075EBC18_06325EBC34_05750EBC39_09715EBC44_20925EBC68_09380EBD00_08225EBD05_16450EBD20_17095EBD25_08895EBD36_08845EBD43_05210EBD77_10535EBJ70_10680EBJ71_01010EBJ89_06925EBJ93_03490EBJ94_10965EBK05_09080EBK23_03750EBK37_10015EBK43_02755EBK60_12435EBK61_03755EBO78_16280EBO89_05830EBO94_06365EBP03_08425EBP04_03395EBP12_01030EBP28_05175EC417_00970EC420_04945EC422_04495EC429_01340EC434_00995EC448_08925EC453_08560EC471_06365EC474_02880EC491_11165EC492_01205EC499_09710ECA60_08605ECA66_03335ECA89_08860ECA94_02770ECA96_08230ECB03_04845ECB08_02380ECC57_03340ECC66_14845ECD11_05680ECD14_09420ECD30_08195ED432_06430ED436_04010ED469_03260ED477_03225ED486_04135EDK87_02770EDL23_06330EDL36_02800EDL46_04335EEA55_06135EEA59_06700EEA63_06475EEA67_03960EEA91_03575EEA93_12055EER52_06640EER72_05775EER74_06695EER75_01000EER80_15065EES07_03330EES08_04495EES26_06675EF649_00790EF653_07695EF657_16060EF664_03080EF665_06445EF675_05800EF704_09510EFQ12_01835EFQ27_03795EFQ33_05115EFQ52_05980EFQ76_04175EGL07_15310EGL44_08725EGL51_05850EGL56_03560EGM22_05950EGM25_01025EGM30_19890EH095_03075EH102_06310EH104_01460EH113_07645EH130_06335EHB16_03305EHB26_04220EHB38_03060EHB40_08960EHB51_06420EHB53_05245EHB61_03800EHB67_09945EHB73_13145EHC02_01270EHC04_15005EHD17_01205EHD20_04800EHD23_03730EHE53_08440EHE71_11715EHE79_04055EHE81_05630EHF16_05060EIE05_03115EIE15_00620EIE18_03485EIE24_02515EIE42_04075EIE60_01415EIK95_05630EIK98_05950EIL32_01395EIW55_09875EIW58_12505EIW69_03350EIW86_10825EIW93_08525EK92_17045ELE06_11115EUC09_08855EWC36_09200EWD86_04885EXB88_06730EZX96_06900F0D09_08975F0D12_09400F0D14_05560F0D29_07175F0D58_06620F0H97_08960F0I33_07995F0M26_03705F0M28_05115F1011_12850F1J30_00530F1J33_06075F1J42_08565F1J81_05590F1J82_05610F1J83_01475F1J85_04315F1J88_01420F1J90_05745F1K42_02430F1K59_05050F2J39_01835F2J40_00980F2J48_00940F2J50_07090F2J62_03650F2J66_01280F2J78_05500F2K19_06960F2K22_06105F2K26_14940F2V07_07055F2V23_03890F2V25_06240F3550_01355F3552_00850F3554_06545F3591_11485F3595_10525F3603_03295F3626_14980F3E16_02765F3E20_04290F3E26_03740F3E44_09410F3E63_09210F3E73_03605F3E77_03585F3E81_09345F3P41_00915F3P70_08045F3P71_01925F3P74_06490F3P75_12190F3P83_04915F3Q00_03840F3Q03_05030F3Q14_02890F3Q15_02920F3Q17_04825F3Q19_00915F3Q28_06760F3Q63_04915F3R19_08235F3X32_06195F3X39_18195F3X53_04150F3X54_06825F3X74_09220F6430_00280F7247_03195F7801_03470F9P04_11415F9P26_00380F9Q85_11085F9W02_05115F9X76_16290F9X98_08000FE718_01360FE738_01015FE759_06665FKN96_12870FL809_10360FMV10_12745FP220_08405FPF85_03010FQS21_06835FQS30_06725FQS47_00615FQS59_09325FR245_13140FR247_08285FRM70_05500FRM79_14805FRN01_11890FRN02_05030FRN09_04175FRN22_13530FY061_02260FZ484_04550FZ491_03810FZ502_10420FZ514_03745FZ515_13330FZ516_05975FZ523_01470FZ527_01765FZ528_04325FZT79_05320GAW88_10720GCH48_00965GCX84_03060GCY28_22200GCY29_11985GDH50_05360GDH65_00960GN92_19330GX90_25025JF03_19690JR37_17475KO25_20305LB54_08610LC09_03640LC85_05730LH24_08730LH82_14165LP13_20040MB64_17020NB08_11105NCTC8272_02769NU30_22415PK04_18245PK95_13970PV65_06390QC88_19815QD42_08685QD82_16765QE89_08685QE93_10380QF21_24215R118_18445R126_08305R133_19845RU16_07410RU46_12145RY46_16045RY52_16035S021_09745S313_01135S315_02435S598_12875S639_21410S709_07710S764_16455S943_05250TE27_11430TL61_17385VT29_18010WB97_02550XJ41_07365XK54_01525XK85_16820XS28_05335XT48_02390XZ16_15885Y847_07225YA74_10200YH39_16290YI72_11450YJ27_07680YL04_09955YL55_19460YR14_06075YU10_04620Z155_07555Z599_02180ZA28_00110ZA51_00590ZA74_09315ZD91_01440ZF07_21535ZG82_06210ZO67_01860

Membrane Entity: Yes 
UniProt
Find proteins for Q8ZRA7 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720))
Explore Q8ZRA7 
Go to UniProtKB:  Q8ZRA7
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ8ZRA7
Sequence Annotations
Expand
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Wellcome TrustUnited Kingdom109158/B/15/Z
Biotechnology and Biological Sciences Research Council (BBSRC)United KingdomBB/N002776/1
Wellcome TrustUnited Kingdom108372/A/15/Z

Revision History  (Full details and data files)

  • Version 1.0: 2020-07-22
    Type: Initial release