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Yorodumi- PDB-7sum: Crystal structure of human ligase I with nick duplexes containing... -
+Open data
-Basic information
Entry | Database: PDB / ID: 7sum | ||||||
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Title | Crystal structure of human ligase I with nick duplexes containing cognate A:T | ||||||
Components |
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Keywords | LIGASE/DNA / LIGASE-DNA complex | ||||||
Function / homology | Function and homology information Okazaki fragment processing involved in mitotic DNA replication / Regulation of MITF-M-dependent genes involved in DNA damage repair and senescence / DNA ligase activity / DNA ligase (ATP) / DNA ligase (ATP) activity / Processive synthesis on the lagging strand / DNA ligation / Processive synthesis on the C-strand of the telomere / Mismatch repair (MMR) directed by MSH2:MSH3 (MutSbeta) / Mismatch repair (MMR) directed by MSH2:MSH6 (MutSalpha) ...Okazaki fragment processing involved in mitotic DNA replication / Regulation of MITF-M-dependent genes involved in DNA damage repair and senescence / DNA ligase activity / DNA ligase (ATP) / DNA ligase (ATP) activity / Processive synthesis on the lagging strand / DNA ligation / Processive synthesis on the C-strand of the telomere / Mismatch repair (MMR) directed by MSH2:MSH3 (MutSbeta) / Mismatch repair (MMR) directed by MSH2:MSH6 (MutSalpha) / lagging strand elongation / DNA biosynthetic process / Early Phase of HIV Life Cycle / POLB-Dependent Long Patch Base Excision Repair / PCNA-Dependent Long Patch Base Excision Repair / anatomical structure morphogenesis / mismatch repair / base-excision repair, gap-filling / Gap-filling DNA repair synthesis and ligation in GG-NER / base-excision repair / Gap-filling DNA repair synthesis and ligation in TC-NER / DNA recombination / cell division / intracellular membrane-bounded organelle / DNA repair / mitochondrion / DNA binding / nucleoplasm / ATP binding / nucleus / metal ion binding Similarity search - Function | ||||||
Biological species | Homo sapiens (human) synthetic construct (others) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.9 Å | ||||||
Authors | Tang, Q. / Gulkis, M. / McKenna, R. / Caglayan, M. | ||||||
Funding support | United States, 1items
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Citation | Journal: Nat Commun / Year: 2022 Title: Structures of LIG1 that engage with mutagenic mismatches inserted by pol beta in base excision repair. Authors: Tang, Q. / Gulkis, M. / McKenna, R. / Caglayan, M. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7sum.cif.gz | 166.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7sum.ent.gz | 123.7 KB | Display | PDB format |
PDBx/mmJSON format | 7sum.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 7sum_validation.pdf.gz | 752.1 KB | Display | wwPDB validaton report |
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Full document | 7sum_full_validation.pdf.gz | 763.1 KB | Display | |
Data in XML | 7sum_validation.xml.gz | 27.3 KB | Display | |
Data in CIF | 7sum_validation.cif.gz | 38.6 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/su/7sum ftp://data.pdbj.org/pub/pdb/validation_reports/su/7sum | HTTPS FTP |
-Related structure data
Related structure data | 7sx5C 7sxeC 6p0dS S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
-Protein , 1 types, 1 molecules A
#1: Protein | Mass: 73042.258 Da / Num. of mol.: 1 / Fragment: UNP residues 261-918 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: LIG1 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P18858, DNA ligase (ATP) |
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-DNA chain , 3 types, 3 molecules BCD
#2: DNA chain | Mass: 3389.221 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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#3: DNA chain | Mass: 2138.423 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
#4: DNA chain | Mass: 5461.544 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
-Non-polymers , 2 types, 141 molecules
#5: Chemical | ChemComp-AMP / |
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#6: Water | ChemComp-HOH / |
-Details
Has ligand of interest | Y |
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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: 2.87 Å3/Da / Density % sol: 57.13 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop Details: 100 mM MES, pH 6.6, 100 mM lithium acetate, 20% w/v PEG3350 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: CHESS / Beamline: 7B2 / Wavelength: 0.9686 Å |
Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Apr 28, 2021 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9686 Å / Relative weight: 1 |
Reflection | Resolution: 2.9→20 Å / Num. obs: 21707 / % possible obs: 99.9 % / Redundancy: 12.2 % / CC1/2: 0.995 / Rmerge(I) obs: 0.126 / Net I/σ(I): 2.8 |
Reflection shell | Resolution: 2.9→2.95 Å / Num. unique obs: 1042 / CC1/2: 0.827 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB entry 6P0D Resolution: 2.9→19.93 Å / SU ML: 0.34 / Cross valid method: THROUGHOUT / σ(F): 1.35 / Phase error: 23.14 / 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 mean: 53.89 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.9→19.93 Å
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LS refinement shell |
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