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Open data
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Basic information
Entry | Database: PDB / ID: 1oyy | ||||||
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Title | Structure of the RecQ Catalytic Core bound to ATP-gamma-S | ||||||
![]() | ATP-dependent DNA helicase | ||||||
![]() | HYDROLASE / RecQ / helicase / winged helix / helix-turn-helix / ATP binding / Zn(2+) binding / ATP(gamma)S | ||||||
Function / homology | ![]() single-stranded DNA-dependent ATP-dependent DNA helicase complex / bacterial nucleoid / : / single-stranded DNA helicase activity / SOS response / replisome / : / 3'-5' DNA helicase activity / DNA 3'-5' helicase / transition metal ion binding ...single-stranded DNA-dependent ATP-dependent DNA helicase complex / bacterial nucleoid / : / single-stranded DNA helicase activity / SOS response / replisome / : / 3'-5' DNA helicase activity / DNA 3'-5' helicase / transition metal ion binding / ATP-dependent activity, acting on DNA / DNA helicase activity / isomerase activity / chromosome / DNA recombination / forked DNA-dependent helicase activity / single-stranded 3'-5' DNA helicase activity / four-way junction helicase activity / double-stranded DNA helicase activity / DNA replication / chromatin extrusion motor activity / ATP-dependent H2AZ histone chaperone activity / ATP-dependent H3-H4 histone complex chaperone activity / cohesin loader activity / DNA clamp loader activity / DNA repair / DNA damage response / ATP hydrolysis activity / DNA binding / zinc ion binding / ATP binding / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Bernstein, D.A. / Zittel, M.C. / Keck, J.L. | ||||||
![]() | ![]() Title: High-resolution structure of the E. coli RecQ helicase catalytic core Authors: Bernstein, D.A. / Zittel, M.C. / Keck, J.L. | ||||||
History |
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Remark 300 | BIOMOLECULE: THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 1 CHAIN(S). ...BIOMOLECULE: THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 1 CHAIN(S). THE AUTHORS STATE IT IS NOT CLEAR WHAT THE ACTIVE OLIGOMERIC STATE OF E. COLI RECQ HELICASE IS AT THIS TIME. |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 117.8 KB | Display | ![]() |
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PDB format | ![]() | 88.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 740.9 KB | Display | ![]() |
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Full document | ![]() | 766.4 KB | Display | |
Data in XML | ![]() | 23.7 KB | Display | |
Data in CIF | ![]() | 32.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1oywSC S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 58730.191 Da / Num. of mol.: 1 / Fragment: 54 kDa Catalytic domain Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: P15043, Hydrolases; Acting on acid anhydrides; In phosphorus-containing anhydrides | ||||
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#2: Chemical | ChemComp-ZN / | ||||
#3: Chemical | #4: Chemical | ChemComp-AGS / | #5: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.27 Å3/Da / Density % sol: 45.9 % | |||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Method: vapor diffusion, hanging drop / pH: 7.5 Details: PEG 1000, PEG 400, MES, Ammonium Sulfate, Manganese Chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 110K | |||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS pH: 6.5 / Method: vapor diffusion, hanging drop | |||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 110 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Feb 16, 2003 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9 Å / Relative weight: 1 |
Reflection | Resolution: 2.5→20 Å / Num. all: 18473 / Num. obs: 16814 / % possible obs: 91 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 2.7 % / Rsym value: 0.048 / Net I/σ(I): 12.8 |
Reflection shell | Resolution: 2.5→2.63 Å / Mean I/σ(I) obs: 7.1 / Rsym value: 0.133 / % possible all: 92.1 |
Reflection | *PLUS Lowest resolution: 21 Å / Num. obs: 17529 / % possible obs: 92.1 % / Num. measured all: 47206 / Rmerge(I) obs: 0.048 |
Reflection shell | *PLUS % possible obs: 92.1 % / Rmerge(I) obs: 0.133 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB entry 1OYW Resolution: 2.5→20 Å / σ(F): 0 / Stereochemistry target values: Engh & Huber
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Refinement step | Cycle: LAST / Resolution: 2.5→20 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.5→2.614 Å
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Refinement | *PLUS Lowest resolution: 20 Å / % reflection Rfree: 5 % / Rfactor Rwork: 0.21 | ||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||
Refine LS restraints | *PLUS
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