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Yorodumi- PDB-6yar: Crystal structure of a Selenium-derivatized complex of the bacter... -
+Open data
-Basic information
Entry | Database: PDB / ID: 6yar | ||||||||||||||||||
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Title | Crystal structure of a Selenium-derivatized complex of the bacterial cellulose secretion regulators BcsR and BcsQ, crystallized in the presence of AppCp | ||||||||||||||||||
Components |
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Keywords | SIGNALING PROTEIN / Bacterial biofilms / Bacterial cellulose / Bacterial secretion system / ATP binding protein | ||||||||||||||||||
Function / homology | Function and homology information bacterial cellulose biosynthetic process / cell division / ATP binding / cytoplasm Similarity search - Function | ||||||||||||||||||
Biological species | Escherichia coli (E. coli) | ||||||||||||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 1.9 Å | ||||||||||||||||||
Authors | Caleechurn, M. / Abidi, W. / Zouhir, S. / Roche, S. / Krasteva, P.V. | ||||||||||||||||||
Funding support | 5items
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Citation | Journal: Sci Adv / Year: 2021 Title: Architecture and regulation of an enterobacterial cellulose secretion system. Authors: Wiem Abidi / Samira Zouhir / Meryem Caleechurn / Stéphane Roche / Petya Violinova Krasteva / Abstract: Many free-living and pathogenic enterobacteria secrete biofilm-promoting cellulose using a multicomponent, envelope-embedded Bcs secretion system under the control of intracellular second messenger c- ...Many free-living and pathogenic enterobacteria secrete biofilm-promoting cellulose using a multicomponent, envelope-embedded Bcs secretion system under the control of intracellular second messenger c-di-GMP. The molecular understanding of system assembly and cellulose secretion has been largely limited to the crystallographic studies of a distantly homologous BcsAB synthase tandem and a low-resolution reconstruction of an assembled macrocomplex that encompasses most of the inner membrane and cytosolic subunits and features an atypical layered architecture. Here, we present cryo-EM structures of the assembled Bcs macrocomplex, as well as multiple crystallographic snapshots of regulatory Bcs subcomplexes. The structural and functional data uncover the mechanism of asymmetric secretion system assembly and periplasmic crown polymerization and reveal unexpected subunit stoichiometry, multisite c-di-GMP recognition, and ATP-dependent regulation. | ||||||||||||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 6yar.cif.gz | 284.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb6yar.ent.gz | 192.2 KB | Display | PDB format |
PDBx/mmJSON format | 6yar.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 6yar_validation.pdf.gz | 2.2 MB | Display | wwPDB validaton report |
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Full document | 6yar_full_validation.pdf.gz | 2.2 MB | Display | |
Data in XML | 6yar_validation.xml.gz | 21.2 KB | Display | |
Data in CIF | 6yar_validation.cif.gz | 29.6 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ya/6yar ftp://data.pdbj.org/pub/pdb/validation_reports/ya/6yar | HTTPS FTP |
-Related structure data
Related structure data | 6yayC 6yb3C 6yb5C 6ybbC 6ybuC 6yg8C C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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Unit cell |
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-Components
#1: Protein | Mass: 29479.682 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Details: The coding region corresponding to the BcsRQ tandem was cloned into the pET21b expression vector with a C-terminal hexahistidine Tag on BcsQ. The purified selenium derivated BcsRQ complex ...Details: The coding region corresponding to the BcsRQ tandem was cloned into the pET21b expression vector with a C-terminal hexahistidine Tag on BcsQ. The purified selenium derivated BcsRQ complex was treated with EDTA and incubated with AppCp and MgCl2 prior to crystallization. Source: (gene. exp.) Escherichia coli (E. coli) Gene: bcsQ, yhjQ, A8C65_00290, ACU57_05335, BMT91_17060, BON75_10030, BvCmsHHP019_01723, BvCmsSINP011_05061, C2U48_15650, D3O91_11725, D9H68_14440, D9I18_15755, D9I97_13990, DAH34_22885, DAH37_19450, ...Gene: bcsQ, yhjQ, A8C65_00290, ACU57_05335, BMT91_17060, BON75_10030, BvCmsHHP019_01723, BvCmsSINP011_05061, C2U48_15650, D3O91_11725, D9H68_14440, D9I18_15755, D9I97_13990, DAH34_22885, DAH37_19450, E2127_16420, E2128_18010, E2129_18145, E2134_17810, EAI42_04085, EC1094V2_71, NCTC10429_00778, NCTC11022_03734, NCTC9058_01652 Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: A0A0B1KWQ0, UniProt: P0DP92*PLUS #2: Protein | Mass: 7069.771 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Details: The coding region corresponding to the BcsRQ tandem was cloned into the pET21b expression vector with a C-terminal hexahistidine Tag on BcsQ. The purified selenium derivated BcsRQ complex ...Details: The coding region corresponding to the BcsRQ tandem was cloned into the pET21b expression vector with a C-terminal hexahistidine Tag on BcsQ. The purified selenium derivated BcsRQ complex was treated with EDTA and incubated with AppCp and MgCl2 prior to crystallization. Source: (gene. exp.) Escherichia coli (E. coli) Gene: yhjR, A6V01_14365, A8C65_00295, A9R57_18690, AC789_1c39040, ACN002_3620, ACN68_06780, ACN81_08775, ACU57_05330, ACU90_15155, AM270_16530, AM464_10395, AMK83_17075, AML07_15400, APZ14_14840, ...Gene: yhjR, A6V01_14365, A8C65_00295, A9R57_18690, AC789_1c39040, ACN002_3620, ACN68_06780, ACN81_08775, ACU57_05330, ACU90_15155, AM270_16530, AM464_10395, AMK83_17075, AML07_15400, APZ14_14840, AUQ13_21010, AUS26_05355, AW106_19925, BANRA_02188, BANRA_03431, BANRA_04333, BANRA_04566, BB545_03705, BHS81_21135, BHS87_19835, BJJ90_00965, BK292_24575, BMT91_17065, BN17_34711, BOH76_20305, BON63_23095, BON69_12460, BON71_17720, BON72_13310, BON76_21180, BON94_21140, BON95_21275, BTQ06_14355, BUE81_10045, BvCms12BK_03867, BvCms2454_00062, BvCms28BK_00015, BvCmsHHP001_04915, BvCmsHHP019_01722, BvCmsHHP056_04702, BvCmsKKP036_02918, BvCmsKKP061_02263, BvCmsKSNP073_03410, BvCmsKSNP081_04400, BvCmsKSP011_02716, BvCmsKSP024_02867, BvCmsKSP026_02341, BvCmsKSP045_00352, BvCmsKSP067_01939, BvCmsNSNP036_04602, BvCmsNSP006_05307, BvCmsNSP047_03956, BvCmsNSP072_04054, BvCmsOUP014_03413, BvCmsSINP011_05062, BvCmsSIP019_02407, BvCmsSIP044_03516, BVL39_08345, BW690_01625, BZL31_14290, C2U48_15645, C5N07_21610, C5P01_24180, C6669_10230, C7235_01450, C7B02_19840, C9098_17010, C9114_22000, C9141_22075, C9160_22970, C9162_26275, C9182_22470, C9201_19395, C9306_17625, C9E25_16190, C9Z03_00095, C9Z28_19620, C9Z37_15395, C9Z39_13945, C9Z69_16745, C9Z89_13935, CA593_08480, CI641_010930, COD30_23820, COD46_13475, CR538_01230, CRD98_22705, CRM83_21580, CWS33_18425, D0X26_22825, D2184_20785, D2185_17650, D3821_09240, D3Y67_04435, D6T60_22230, D9D20_19605, D9E35_13135, D9H68_14435, D9I18_15750, D9I97_13985, D9J11_18915, D9J44_18935, D9K48_10615, D9K54_10550, DAH18_11545, DAH30_06135, DAH32_17855, DAH34_22880, DAH37_19445, DBQ99_02170, DEN89_25155, DEN97_17470, DEO04_20390, DEO19_17140, DIV22_07035, DJ503_16110, DL545_01700, DL800_25095, DP277_20930, DQF57_09495, DQO13_19235, DS732_25515, DTL43_22125, DXT69_13975, DXT71_18500, DXT73_16115, E0I42_16815, E0J34_09730, E0K84_22700, E2119_10885, E2127_16425, E2128_18015, E2129_18150, E2134_17815, E2135_13675, E2855_04489, E2863_04566, E3B71_14240, E5P22_13630, E5P28_15170, E5P37_17785, E5S35_16770, E5S47_16125, EAI42_04080, EC1094V2_70, EC3234A_62c00180, EC3426_04694, EC95NR1_02922, ED600_16775, EEP23_03690, EHH55_25990, EJC75_16880, EKI52_16535, EL75_0168, EL79_0179, EL80_0171, ELT20_13340, ELV08_08625, EPT01_13645, EQ825_24275, ERS085365_03384, ERS085374_03939, ERS085379_03461, ERS085416_01810, ERS139211_03246, EXX13_15900, EXX71_20125, EXX78_22145, EYD11_00910, EYY78_10840, F0312_08835, F1E03_18480, F1E19_10145, F7F23_20655, F7F29_18335, FORC82_0211, FQ915_11140, FQR64_01380, FRV13_18835, FTV90_03830, FTV92_19380, FV293_20875, FWK02_16270, FY127_16255, HW43_22525, NCTC10090_03288, NCTC10418_00365, NCTC10429_00777, NCTC10865_00350, NCTC11022_03735, NCTC11126_00353, NCTC11181_02507, NCTC11341_02195, NCTC13148_03788, NCTC8009_01140, NCTC8179_05669, NCTC8500_00017, NCTC8960_02842, NCTC8985_04684, NCTC9045_00297, NCTC9055_02150, NCTC9058_01653, NCTC9062_02927, NCTC9111_00632, NCTC9703_04725, NCTC9706_02488, PGD_04560, PU06_03455, RG28_22775, RK56_020175, RX35_03299, SAMEA3472043_03895, SAMEA3472055_04880, SAMEA3472070_03765, SAMEA3472114_02155, SAMEA3484427_00198, SAMEA3484429_02974, SAMEA3752553_00829, SAMEA3752557_03916, SAMEA3752559_00583, SAMEA3753064_01978, SAMEA3753290_02280, SAMEA3753300_03978, SK85_03853, UN86_19365, WQ89_12680, WR15_14750 Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: J7QAC9, UniProt: P0ADJ3*PLUS #3: Chemical | #4: Chemical | #5: Water | ChemComp-HOH / | Has ligand of interest | Y | Has protein modification | Y | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 1.95 Å3/Da / Density % sol: 36.83 % |
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Crystal grow | Temperature: 277.15 K / Method: vapor diffusion, hanging drop / Details: PEG 2000, MES pH6.5, glycerol |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: ID30B / Wavelength: 0.97931 Å |
Detector | Type: DECTRIS PILATUS3 S 6M / Detector: PIXEL / Date: Mar 6, 2017 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97931 Å / Relative weight: 1 |
Reflection | Resolution: 1.9→50 Å / Num. obs: 81355 / % possible obs: 93.3 % / Redundancy: 5.16 % / Biso Wilson estimate: 33.98 Å2 / CC1/2: 0.999 / Net I/σ(I): 10.34 |
Reflection shell | Resolution: 1.9→2.01 Å / Redundancy: 3.6 % / Mean I/σ(I) obs: 0.99 / Num. unique obs: 10020 / CC1/2: 0.652 / % possible all: 71 |
-Processing
Software |
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Refinement | Method to determine structure: SAD / Resolution: 1.9→45.16 Å / SU ML: 0.2495 / Cross valid method: FREE R-VALUE / σ(F): 1.35 / Phase error: 31.8249
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 51.68 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.9→45.16 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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