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- PDB-1si2: Crystal structure of the PAZ domain of human eIF2c1 in complex wi... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1si2 | ||||||
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Title | Crystal structure of the PAZ domain of human eIF2c1 in complex with a 9-mer siRNA-like duplex of deoxynucleotide overhang | ||||||
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![]() | GENE REGULATION/RNA/DNA / PROTEIN-RNA COMPLEX / ![]() ![]() | ||||||
Function / homology | ![]() Regulation of CDH11 mRNA translation by microRNAs / Regulation of NPAS4 mRNA translation / Post-transcriptional silencing by small RNAs / Competing endogenous RNAs (ceRNAs) regulate PTEN translation / Regulation of PTEN mRNA translation / Small interfering RNA (siRNA) biogenesis / Transcriptional Regulation by MECP2 / RNA secondary structure unwinding / RISC-loading complex / RISC complex assembly ...Regulation of CDH11 mRNA translation by microRNAs / Regulation of NPAS4 mRNA translation / Post-transcriptional silencing by small RNAs / Competing endogenous RNAs (ceRNAs) regulate PTEN translation / Regulation of PTEN mRNA translation / Small interfering RNA (siRNA) biogenesis / Transcriptional Regulation by MECP2 / RNA secondary structure unwinding / RISC-loading complex / RISC complex assembly / miRNA-mediated gene silencing by inhibition of translation / miRNA processing / pre-miRNA processing / RISC complex / Regulation of RUNX1 Expression and Activity / miRNA binding / MicroRNA (miRNA) biogenesis / nuclear-transcribed mRNA catabolic process / RNA polymerase II complex binding / Regulation of MECP2 expression and activity / Transcriptional Regulation by VENTX / core promoter sequence-specific DNA binding / NR1H3 & NR1H2 regulate gene expression linked to cholesterol transport and efflux / negative regulation of angiogenesis / TP53 Regulates Metabolic Genes / Transcriptional regulation by small RNAs / MAPK6/MAPK4 signaling / ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Ye, K. / Ma, J.B. / Patel, D. | ||||||
![]() | ![]() Title: Structural basis for overhang-specific small interfering RNA recognition by the PAZ domain. Authors: Ma, J.B. / Ye, K. / Patel, D.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 | ![]() | 45.9 KB | Display | ![]() |
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PDB format | ![]() | 29.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related 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 assemble consists of two PAZ domains bound to each end of a 9-mer siRNA-like duplex generated from the protein monomer and the 9-mer single stranded RNA in the asymmetric unit by the operation: -X+1,-Y+2,Z. |
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Components
#1: DNA/RNA hybrid | Mass: 2790.730 Da / Num. of mol.: 1 / Source method: obtained synthetically |
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#2: Protein | Mass: 17189.984 Da / Num. of mol.: 1 / Fragment: PAZ domain (residues 225-369) Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() ![]() |
#3: Water | ChemComp-HOH / ![]() |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.49 Å3/Da / Density % sol: 50 % | ||||||||||||||||||||
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Crystal grow![]() | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7.6 Details: PEG 1000, potassium chloride, HEPES-NaOH, Dithiothreitol, pH 7.60, VAPOR DIFFUSION, HANGING DROP, temperature 293K | ||||||||||||||||||||
Components of the solutions |
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: CCD / Date: Nov 13, 2003 |
Radiation | Monochromator: DIAMOND (111) DOUBLE-CRYSTAL / Protocol: SAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength![]() |
Reflection | Resolution: 2.6→20 Å / Num. all: 6263 / Num. obs: 6225 / % possible obs: 99 % / Observed criterion σ(I): -3 / Redundancy: 10.2 % / Biso Wilson estimate: 62.3 Å2 / Rsym value: 0.087 / Net I/σ(I): 27.8 |
Reflection shell | Resolution: 2.6→2.69 Å / Mean I/σ(I) obs: 3.1 / Rsym value: 0.696 / % possible all: 100 |
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Processing
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Refinement | Method to determine structure![]() ![]()
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 37.026 Å2 / ksol: 0.326947 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 51.5 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.6→19.71 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.6→2.69 Å / Rfactor Rfree error: 0.049 / Total num. of bins used: 10
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Xplor file |
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