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- PDB-4qq6: Crystal Structure of tudor domain of SMN1 in complex with a small... -
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Basic information
Entry | Database: PDB / ID: 4qq6 | ||||||
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Title | Crystal Structure of tudor domain of SMN1 in complex with a small organic molecule | ||||||
![]() | Survival motor neuron protein | ||||||
![]() | RNA BINDING PROTEIN / structural genomics / Structural Genomics Consortium / SGC | ||||||
Function / homology | ![]() Gemini of coiled bodies / SMN complex / SMN-Sm protein complex / spliceosomal complex assembly / spliceosomal snRNP assembly / Cajal body / DNA-templated transcription termination / cytoplasmic ribonucleoprotein granule / Z disc / nervous system development ...Gemini of coiled bodies / SMN complex / SMN-Sm protein complex / spliceosomal complex assembly / spliceosomal snRNP assembly / Cajal body / DNA-templated transcription termination / cytoplasmic ribonucleoprotein granule / Z disc / nervous system development / snRNP Assembly / SARS-CoV-2 modulates host translation machinery / perikaryon / nuclear body / neuron projection / axon / RNA binding / nucleoplasm / identical protein binding / nucleus / cytoplasm / cytosol Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Liu, Y. / Tempel, W. / Iqbal, A. / Walker, J.R. / Bountra, C. / Arrowsmith, C.H. / Edwards, A.M. / Brown, P.J. / Min, J. / Structural Genomics Consortium (SGC) | ||||||
![]() | ![]() Title: A small molecule antagonist of SMN disrupts the interaction between SMN and RNAP II. Authors: Liu, Y. / Iqbal, A. / Li, W. / Ni, Z. / Wang, Y. / Ramprasad, J. / Abraham, K.J. / Zhang, M. / Zhao, D.Y. / Qin, S. / Loppnau, P. / Jiang, H. / Guo, X. / Brown, P.J. / Zhen, X. / Xu, G. / ...Authors: Liu, Y. / Iqbal, A. / Li, W. / Ni, Z. / Wang, Y. / Ramprasad, J. / Abraham, K.J. / Zhang, M. / Zhao, D.Y. / Qin, S. / Loppnau, P. / Jiang, H. / Guo, X. / Brown, P.J. / Zhen, X. / Xu, G. / Mekhail, K. / Ji, X. / Bedford, M.T. / Greenblatt, J.F. / Min, J. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 26.5 KB | Display | ![]() |
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PDB format | ![]() | 15.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 427.2 KB | Display | ![]() |
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Full document | ![]() | 427.2 KB | Display | |
Data in XML | ![]() | 4.8 KB | Display | |
Data in CIF | ![]() | 5.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 4qqdC ![]() 6v9tC ![]() 7w2pC ![]() 7w30C ![]() 1mhnS 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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1 |
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Unit cell |
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Details | THE BIOLOGICAL UNIT IS UNKNOWN |
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Components
#1: Protein | Mass: 7409.304 Da / Num. of mol.: 1 / Fragment: unp residues 82-147 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() | ||||
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#2: Chemical | #3: Chemical | ChemComp-36X / | #4: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 1.7 Å3/Da / Density % sol: 27.53 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 5.6 Details: 2M ammonium sulfate, 0.2M potassium/sodium tartrate, 0.1M sodium citrate, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K | |||||||||||||||||||||
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Diffraction source | Source: ![]() | |||||||||||||||||||||
Detector | Type: RIGAKU SATURN A200 / Detector: CCD / Date: Apr 15, 2014 | |||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 | |||||||||||||||||||||
Reflection | Resolution: 1.75→37.61 Å / Num. obs: 5006 / % possible obs: 100 % / Redundancy: 10.5 % / Rmerge(I) obs: 0.078 / Net I/σ(I): 19.8 | |||||||||||||||||||||
Reflection shell | Diffraction-ID: 1
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Processing
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Refinement | Method to determine structure: ![]() Starting model: pdb entry 1MHN Resolution: 1.75→24.07 Å / Cor.coef. Fo:Fc: 0.97 / Cor.coef. Fo:Fc free: 0.949 / WRfactor Rfree: 0.2294 / WRfactor Rwork: 0.1496 / Occupancy max: 1 / Occupancy min: 0.3 / FOM work R set: 0.7967 / SU B: 3.803 / SU ML: 0.115 / SU R Cruickshank DPI: 0.1368 / SU Rfree: 0.1482 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.137 / ESU R Free: 0.148 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: Model is based on initial rigid body refinement of protein coordinates from PDB entry 1MHN. SMILES(CN1C2=C(CCC2)C(=N)C2=C1CCC2) represents the uncharged form of the ligand. Geometry ...Details: Model is based on initial rigid body refinement of protein coordinates from PDB entry 1MHN. SMILES(CN1C2=C(CCC2)C(=N)C2=C1CCC2) represents the uncharged form of the ligand. Geometry restraints for the inhibitor were prepared on the GRADE server with SMILES(C[n+]1c2CCCc2c(N)c2CCCc12). We note that mogul (CSD) inferred the type of the C1-C2 bond in refined ligand coordinates as double, which would be inconsistent with any traditional hybridization state of C1. COOT and MOLPROBITY were also used during refinement.
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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: 72.38 Å2 / Biso mean: 26.6793 Å2 / Biso min: 14.92 Å2
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Refinement step | Cycle: LAST / Resolution: 1.75→24.07 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.75→1.795 Å / Total num. of bins used: 20
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