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Yorodumi- PDB-2qk9: Human RNase H catalytic domain mutant D210N in complex with 18-me... -
+Open data
-Basic information
Entry | Database: PDB / ID: 2qk9 | ||||||
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Title | Human RNase H catalytic domain mutant D210N in complex with 18-mer RNA/DNA hybrid | ||||||
Components |
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Keywords | HYDROLASE/DNA/RNA / RNase H / RNA/DNA hybrid / HYDROLASE-DNA-RNA COMPLEX | ||||||
Function / homology | Function and homology information DNA replication, removal of RNA primer / RNA catabolic process / ribonuclease H / RNA nuclease activity / RNA-DNA hybrid ribonuclease activity / nucleic acid binding / magnesium ion binding / RNA binding / cytoplasm Similarity search - Function | ||||||
Biological species | Homo sapiens (human) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.55 Å | ||||||
Authors | Nowotny, M. / Gaidamakov, S.A. / Ghirlando, R. / Cerritelli, S.M. / Crouch, R.J. / Yang, W. | ||||||
Citation | Journal: Mol.Cell / Year: 2007 Title: Structure of Human RNase H1 Complexed with an RNA/DNA Hybrid: Insight into HIV Reverse Transcription Authors: Nowotny, M. / Gaidamakov, S.A. / Ghirlando, R. / Cerritelli, S.M. / Crouch, R.J. / Yang, W. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 2qk9.cif.gz | 73.2 KB | Display | PDBx/mmCIF format |
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PDB format | pdb2qk9.ent.gz | 49.1 KB | Display | PDB format |
PDBx/mmJSON format | 2qk9.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 2qk9_validation.pdf.gz | 508.8 KB | Display | wwPDB validaton report |
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Full document | 2qk9_full_validation.pdf.gz | 513.4 KB | Display | |
Data in XML | 2qk9_validation.xml.gz | 11.6 KB | Display | |
Data in CIF | 2qk9_validation.cif.gz | 16 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/qk/2qk9 ftp://data.pdbj.org/pub/pdb/validation_reports/qk/2qk9 | HTTPS FTP |
-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
-RNA chain / DNA chain / Protein , 3 types, 3 molecules BCA
#1: RNA chain | Mass: 5708.443 Da / Num. of mol.: 1 / Source method: obtained synthetically |
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#2: DNA chain | Mass: 5556.603 Da / Num. of mol.: 1 / Source method: obtained synthetically |
#3: Protein | Mass: 17104.279 Da / Num. of mol.: 1 / Fragment: C-terminal domain (residues 134-286) / Mutation: D210N Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: RNASEH1, RNH1 / Plasmid: pET15 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21 (bacteria) / Strain (production host): BL21 / References: UniProt: O60930, ribonuclease H |
-Non-polymers , 6 types, 121 molecules
#4: Chemical | ChemComp-SO4 / #5: Chemical | ChemComp-16D / | #6: Chemical | ChemComp-NA / | #7: Chemical | ChemComp-FLC / | #8: Chemical | #9: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal grow | Temperature: 294 K / Method: vapor diffusion, hanging drop / pH: 5.6 Details: 1.5 M ammonium sulfate, 0.1 M Na citrate (pH 5.6) 20mM ATP or 3% 1,6-diaminohexane, VAPOR DIFFUSION, HANGING DROP, temperature 294K | ||||||||||||||||||||||||||||
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Components of the solutions |
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 22-ID |
Detector | Type: MARRESEARCH / Detector: CCD |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Relative weight: 1 |
Reflection | Resolution: 2.55→30 Å / Num. all: 22505 / Num. obs: 21164 / % possible obs: 94 % / Rmerge(I) obs: 0.074 / Net I/σ(I): 38.7 |
Reflection shell | Resolution: 2.55→2.64 Å / Rmerge(I) obs: 0.456 / Mean I/σ(I) obs: 4.1 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: Original low resolution strcture solved with the same crystal and SeMet SIRAS Resolution: 2.55→30 Å / Stereochemistry target values: Engh & Huber Details: The last round of refinement in CNS was carried out with the pucker restraints for the DNA strand removed
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Displacement parameters | Biso mean: 43.3 Å2 | ||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.55→30 Å
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Refine LS restraints |
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