+Open data
-Basic information
Entry | Database: PDB / ID: 7akp | ||||||
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Title | Crystal structure of E. coli RNA helicase HrpA-D305A | ||||||
Components | ATP-dependent RNA helicase HrpA | ||||||
Keywords | RNA BINDING PROTEIN / RNA helicase / NTPase / bacterial helicase / DExH-box | ||||||
Function / homology | Function and homology information nucleic acid binding / RNA helicase activity / RNA helicase / ATP hydrolysis activity / ATP binding Similarity search - Function | ||||||
Biological species | Escherichia coli (E. coli) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.59 Å | ||||||
Authors | Grass, L.M. / Wollenhaupt, J. / Barthel, T. / Loll, B. / Wahl, M.C. | ||||||
Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2021 Title: Large-scale ratcheting in a bacterial DEAH/RHA-type RNA helicase that modulates antibiotics susceptibility. Authors: Grass, L.M. / Wollenhaupt, J. / Barthel, T. / Parfentev, I. / Urlaub, H. / Loll, B. / Klauck, E. / Antelmann, H. / Wahl, M.C. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7akp.cif.gz | 346.5 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7akp.ent.gz | 230.1 KB | Display | PDB format |
PDBx/mmJSON format | 7akp.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 7akp_validation.pdf.gz | 305.9 KB | Display | wwPDB validaton report |
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Full document | 7akp_full_validation.pdf.gz | 318.9 KB | Display | |
Data in XML | 7akp_validation.xml.gz | 26.3 KB | Display | |
Data in CIF | 7akp_validation.cif.gz | 34.7 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ak/7akp ftp://data.pdbj.org/pub/pdb/validation_reports/ak/7akp | HTTPS FTP |
-Related structure data
Related structure data | 6zwwC 6zwxSC S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 89785.781 Da / Num. of mol.: 1 / Mutation: D305A Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) Gene: hrpA, hrpB_2, ACU57_01855, AUQ13_00250, BANRA_00811, BANRA_04135, BMA87_16915, BUE81_10335, BvCms2454_02596, BvCmsHHP001_04653, C5N07_19950, C9Z39_02430, CA593_20890, CI694_27345, CIG45_23500, ...Gene: hrpA, hrpB_2, ACU57_01855, AUQ13_00250, BANRA_00811, BANRA_04135, BMA87_16915, BUE81_10335, BvCms2454_02596, BvCmsHHP001_04653, C5N07_19950, C9Z39_02430, CA593_20890, CI694_27345, CIG45_23500, D0X26_25730, D3821_04265, D9G69_18360, D9J52_23225, DBQ99_13815, DJ503_20330, DL326_20175, DT034_20065, E2119_23590, E4K55_22820, E4K60_22175, E4K61_19375, EA213_21160, EC3234A_28c00370, EC3426_02431, EEP23_09730, EI021_18420, EI028_21745, EI041_18575, ELT20_16685, EPT01_12920, EYD11_11805, FV293_21585, GHR40_16525, GKF86_19260, GKF89_18325, GP689_04140, GQM17_20230, NCTC12650_02980, NCTC9062_00712, PGD_01858, RK56_010590, SAMEA3472080_03366, SAMEA3752559_04937, SK85_01607 Production host: Escherichia coli (E. coli) / References: UniProt: A0A024L2B5, RNA helicase |
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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: 2.36 Å3/Da / Density % sol: 47.95 % |
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Crystal grow | Temperature: 291.15 K / Method: vapor diffusion, sitting drop Details: 7 % PEG 3350, 0.05 M HEPES, pH 7, 0.1 M potassium chloride, 0.01 M magnesium chloride |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: BESSY / Beamline: 14.2 / Wavelength: 0.918 Å |
Detector | Type: DECTRIS PILATUS 2M / Detector: PIXEL / Date: Mar 17, 2020 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.918 Å / Relative weight: 1 |
Reflection | Resolution: 2.59→48.81 Å / Num. obs: 25697 / % possible obs: 99.1 % / Redundancy: 6.9 % / CC1/2: 0.987 / Net I/σ(I): 7.27 |
Reflection shell | Resolution: 2.59→2.75 Å / Num. unique obs: 4048 / CC1/2: 0.333 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 6ZWX Resolution: 2.59→48.81 Å / Cross valid method: FREE R-VALUE / σ(F): 165.93 / Phase error: 39.6277 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 70.52 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.59→48.81 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 | Refine-ID: X-RAY DIFFRACTION / Auth asym-ID: A / Label asym-ID: A
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