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- PDB-8ak4: Structure of the C-terminally truncated NAD+-dependent DNA ligase... -
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Open data
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Basic information
Entry | Database: PDB / ID: 8ak4 | |||||||||||||||||||||
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Title | Structure of the C-terminally truncated NAD+-dependent DNA ligase from the poly-extremophile Deinococcus radiodurans | |||||||||||||||||||||
![]() | DNA ligase | |||||||||||||||||||||
![]() | DNA BINDING PROTEIN / DNA ligase A / BRCT / DNA nick-joining | |||||||||||||||||||||
Function / homology | ![]() DNA ligase (NAD+) / DNA ligase (NAD+) activity / base-excision repair, DNA ligation / DNA replication / metal ion binding / cytosol Similarity search - Function | |||||||||||||||||||||
Biological species | ![]() | |||||||||||||||||||||
Method | ![]() ![]() ![]() | |||||||||||||||||||||
![]() | Fernandes, A. / Williamson, A.K. / Matias, P.M. / Moe, E. | |||||||||||||||||||||
Funding support | ![]() ![]()
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![]() | ![]() Title: Structure/function studies of the NAD + -dependent DNA ligase from the poly-extremophile Deinococcus radiodurans reveal importance of the BRCT domain for DNA binding. Authors: Fernandes, A. / Williamson, A. / Matias, P.M. / Moe, E. | |||||||||||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 254.3 KB | Display | ![]() |
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PDB format | ![]() | 173 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 430.8 KB | Display | ![]() |
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Full document | ![]() | 434.8 KB | Display | |
Data in XML | ![]() | 19.2 KB | Display | |
Data in CIF | ![]() | 25.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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1 |
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Unit cell |
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Components
#1: Protein | Mass: 65658.773 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422 Gene: ligA, DR_2069 / Production host: ![]() ![]() | ||||
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#2: Chemical | #3: Chemical | ChemComp-ZN / Has ligand of interest | N | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.98 Å3/Da / Density % sol: 58.7 % / Description: Thin plates |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: 0.2M magnesium acetate tetrahydrate, 0.1 M sodium cacodylate pH 6.5, 20 % PEG 8000 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jul 16, 2021 / Details: KB focusing mirrors |
Radiation | Monochromator: channell-cut Si (111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97926 Å / Relative weight: 1 |
Reflection | Resolution: 3.36→149.94 Å / Num. obs: 7848 / % possible obs: 67.1 % / Redundancy: 3.8 % / Biso Wilson estimate: 110.08 Å2 / CC1/2: 0.991 / Rmerge(I) obs: 0.218 / Rpim(I) all: 0.12 / Net I/σ(I): 5.7 |
Reflection shell | Resolution: 3.36→3.65 Å / Redundancy: 5.2 % / Rmerge(I) obs: 1.552 / Mean I/σ(I) obs: 1.3 / Num. unique obs: 393 / CC1/2: 0.442 / Rpim(I) all: 0.739 / % possible all: 15.8 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: From AlphaFold2 Resolution: 3.36→74.97 Å / SU ML: 0.5011 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 32.4513 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2 Details: Hydrogen atoms were added in calculated positions with the PHENIX.READYSET tool. Isotropic displacement parameters (ADPs) were refined for all non-hydrogen atoms. TLS rigid body refinement ...Details: Hydrogen atoms were added in calculated positions with the PHENIX.READYSET tool. Isotropic displacement parameters (ADPs) were refined for all non-hydrogen atoms. TLS rigid body refinement of anisotropic ADPs was performed in the final refinement cycles using three rigid body groups for the protein chain, estimated by PHENIX from a prior fully isotropic refinement. Relative X-ray/stereochemistry and X-ray/ADP weights were optimized to reduce the gap between R-work and R-free.
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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: 103.68 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 3.36→74.97 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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