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Yorodumi- PDB-8a3j: X-ray crystal structure of a de novo designed antiparallel coiled... -
+Open data
-Basic information
Entry | Database: PDB / ID: 8a3j | |||||||||||||||
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Title | X-ray crystal structure of a de novo designed antiparallel coiled-coil heterotetramer with 3 heptad repeats, apCC-Tet*3-A2B2 | |||||||||||||||
Components |
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Keywords | DE NOVO PROTEIN / coiled coil / 4-helix bundle / de novo protein design / peptide assembly | |||||||||||||||
Biological species | synthetic construct (others) | |||||||||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / AB INITIO PHASING / Resolution: 2.1 Å | |||||||||||||||
Authors | Naudin, E.A. / Mylemans, B. / Albanese, K.I. / Woolfson, D.N. | |||||||||||||||
Funding support | United Kingdom, 4items
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Citation | Journal: Chem Sci / Year: 2022 Title: From peptides to proteins: coiled-coil tetramers to single-chain 4-helix bundles. Authors: Naudin, E.A. / Albanese, K.I. / Smith, A.J. / Mylemans, B. / Baker, E.G. / Weiner, O.D. / Andrews, D.M. / Tigue, N. / Savery, N.J. / Woolfson, D.N. | |||||||||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 8a3j.cif.gz | 73.5 KB | Display | PDBx/mmCIF format |
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PDB format | pdb8a3j.ent.gz | 56.2 KB | Display | PDB format |
PDBx/mmJSON format | 8a3j.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/a3/8a3j ftp://data.pdbj.org/pub/pdb/validation_reports/a3/8a3j | HTTPS FTP |
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-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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2 |
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Unit cell |
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-Components
#1: Protein/peptide | Mass: 2650.932 Da / Num. of mol.: 4 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) #2: Protein/peptide | Mass: 2628.292 Da / Num. of mol.: 4 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) #3: Water | ChemComp-HOH / | Has ligand of interest | N | |
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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: 2.01 Å3/Da / Density % sol: 38.7 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7.5 Details: 1.8 M Sodium Citrate tribasic dihydrate, 0.1 M Sodium HEPES, pH 7.5 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N | ||||||||||||||||||||||||||||||
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Diffraction source | Source: SYNCHROTRON / Site: Diamond / Beamline: I04 / Wavelength: 0.9795 Å | ||||||||||||||||||||||||||||||
Detector | Type: DECTRIS EIGER2 XE 16M / Detector: PIXEL / Date: Apr 5, 2022 | ||||||||||||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.9795 Å / Relative weight: 1 | ||||||||||||||||||||||||||||||
Reflection | Resolution: 2.1→37.85 Å / Num. obs: 9443 / % possible obs: 98.8 % / Redundancy: 6.9 % / Biso Wilson estimate: 22.57 Å2 / CC1/2: 0.984 / Rmerge(I) obs: 0.249 / Rpim(I) all: 0.103 / Rrim(I) all: 0.27 / Net I/σ(I): 4.8 / Num. measured all: 64760 / Scaling rejects: 283 | ||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1
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-Processing
Software |
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Refinement | Method to determine structure: AB INITIO PHASING / Resolution: 2.1→37.85 Å / SU ML: 0.25 / Cross valid method: THROUGHOUT / σ(F): 1.35 / Phase error: 32.23 / Stereochemistry target values: ML
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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 max: 66.84 Å2 / Biso mean: 29.3805 Å2 / Biso min: 14.41 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: final / Resolution: 2.1→37.85 Å
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 3
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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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