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- PDB-8fim: Structure of APOBEC3A (E72A inactive mutant) in complex with TTC-... -
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Open data
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Basic information
Entry | Database: PDB / ID: 8fim | ||||||
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Title | Structure of APOBEC3A (E72A inactive mutant) in complex with TTC-hairpin DNA substrate | ||||||
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![]() | DNA BINDING PROTEIN / APOBEC / APOBEC3A / A3A / APOBEC3A E72A mutant / cancer / DNA / mutation / cytidine deaminase / hairpin DNA | ||||||
Function / homology | ![]() mRNA Editing: C to U Conversion / Formation of the Editosome / single-stranded DNA cytosine deaminase / DNA cytosine deamination / : / cytidine to uridine editing / cytidine deaminase activity / clearance of foreign intracellular DNA / negative regulation of single stranded viral RNA replication via double stranded DNA intermediate / : ...mRNA Editing: C to U Conversion / Formation of the Editosome / single-stranded DNA cytosine deaminase / DNA cytosine deamination / : / cytidine to uridine editing / cytidine deaminase activity / clearance of foreign intracellular DNA / negative regulation of single stranded viral RNA replication via double stranded DNA intermediate / : / positive regulation of gene expression via chromosomal CpG island demethylation / retrotransposon silencing / negative regulation of viral genome replication / P-body / defense response to virus / innate immune response / RNA binding / zinc ion binding / nucleoplasm / nucleus / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Harjes, S. / Jameson, G.B. / Harjes, E. / Filichev, V.V. / Kurup, H.M. | ||||||
Funding support | ![]()
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![]() | ![]() Title: DNA-based inhibitors restrict mutagenic activity of APOBEC3 in cells Authors: Harjes, S. / Kurup, H.M. / Filichev, V. / Harjes, E. / Jameson, G.B. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 199.2 KB | Display | ![]() |
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PDB format | ![]() | 156.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.4 MB | Display | ![]() |
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Full document | ![]() | 1.4 MB | Display | |
Data in XML | ![]() | 17.7 KB | Display | |
Data in CIF | ![]() | 23.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8fiiC ![]() 8fijC ![]() 8fikC ![]() 8filC ![]() 5kegS S: Starting model for refinement C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
Experimental dataset #1 | Data reference: ![]() |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: _ / Refine code: _
NCS ensembles :
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Components
-Protein / DNA chain , 2 types, 4 molecules ABHC
#1: Protein | Mass: 22982.979 Da / Num. of mol.: 2 / Mutation: E72A Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() References: UniProt: P31941, single-stranded DNA cytosine deaminase #2: DNA chain | Mass: 3934.546 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) ![]() |
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-Non-polymers , 5 types, 23 molecules ![](data/chem/img/IHP.gif)
![](data/chem/img/ZN.gif)
![](data/chem/img/CL.gif)
![](data/chem/img/PO4.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/ZN.gif)
![](data/chem/img/CL.gif)
![](data/chem/img/PO4.gif)
![](data/chem/img/HOH.gif)
#3: Chemical | #4: Chemical | #5: Chemical | #6: Chemical | ChemComp-PO4 / | #7: Water | ChemComp-HOH / | |
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-Details
Has ligand of interest | N |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.51 Å3/Da / Density % sol: 56.3 % / Description: Tiny flattened needle |
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Crystal grow | Temperature: 285 K / Method: vapor diffusion, hanging drop / pH: 6.6 Details: A3A-E72A (50 mM MES pH 6.0, 100 mM NaCl, 1 mM TCEP, 0.2 mM EDTA) was mixed with oligonucleotides (10 mM Tris/HCl pH 7.9, 1 mM EDTA) at 0.85 mM and 1.7 mM respectively. Dilution was done with ...Details: A3A-E72A (50 mM MES pH 6.0, 100 mM NaCl, 1 mM TCEP, 0.2 mM EDTA) was mixed with oligonucleotides (10 mM Tris/HCl pH 7.9, 1 mM EDTA) at 0.85 mM and 1.7 mM respectively. Dilution was done with protein buffer. The mixture was added to crystallization liquid 1 to 1 and the mixture was pipetted on siliconized glass disks and sealed on top of a reservoir of crystallization liquid for hanging drop crystallization at 12 degrees Celsius. The crystallization liquid has the following composition: 100 mM Bicine at pH 6.6, 200 mM NaCl, 20 mM putrescine, 1 mM TCEP, 1 mM inositol hexaphosphate (phytic acid) and 45 % pentaerythritol propoxylate (5/4 PO/OH) |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS EIGER X 9M / Detector: PIXEL / Date: Jun 22, 2021 / Details: 1 vertical and 2 horizontal focussing mirrors |
Radiation | Monochromator: Si(111) double crystal monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.953739 Å / Relative weight: 1 |
Reflection | Resolution: 2.22→47.99 Å / Num. obs: 26243 / % possible obs: 97.3 % / Redundancy: 3.4 % / Biso Wilson estimate: 51 Å2 / CC1/2: 0.995 / Rmerge(I) obs: 0.092 / Rpim(I) all: 0.059 / Rrim(I) all: 0.11 / Χ2: 0.46 / Net I/σ(I): 6.2 |
Reflection shell | Resolution: 2.22→2.29 Å / Redundancy: 3.2 % / Rmerge(I) obs: 1.535 / Mean I/σ(I) obs: 0.6 / Num. unique obs: 2098 / CC1/2: 0.332 / Rpim(I) all: 0.979 / Rrim(I) all: 1.826 / Χ2: 0.31 / % possible all: 97.9 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 5KEG Resolution: 2.22→47.99 Å / Cor.coef. Fo:Fc: 0.937 / Cor.coef. Fo:Fc free: 0.935 / SU B: 27.009 / SU ML: 0.299 / Cross valid method: FREE R-VALUE / σ(F): 0 / ESU R: 0.322 / ESU R Free: 0.242 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : WITH TLS ADDED
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 162.28 Å2 / Biso mean: 62.63 Å2 / Biso min: 38.98 Å2
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Refinement step | Cycle: final / Resolution: 2.22→47.99 Å
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Refine LS restraints |
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Refine LS restraints NCS | Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Weight position: 0.05
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LS refinement shell | Resolution: 2.22→2.276 Å / Rfactor Rfree error: 0
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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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