+Open data
-Basic information
Entry | Database: PDB / ID: 1mwi | ||||||
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Title | Crystal structure of a MUG-DNA product complex | ||||||
Components |
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Keywords | HYDROLASE/DNA / DNA-glycosylase / nucleotide flipping / abasic site / HYDROLASE-DNA COMPLEX | ||||||
Function / homology | Function and homology information double-stranded uracil-DNA glycosylase / G/U mismatch-specific uracil-DNA glycosylase activity / pyrimidine-specific mismatch base pair DNA N-glycosylase activity / base-excision repair, AP site formation / uracil DNA N-glycosylase activity / DNA binding / cytoplasm Similarity search - Function | ||||||
Biological species | Escherichia coli (E. coli) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.35 Å | ||||||
Authors | Barrett, T.E. / Savva, R. / Panayotou, G. / Brown, T. / Barlow, T. / Jiricny, J. / Pearl, L.H. | ||||||
Citation | Journal: Cell(Cambridge,Mass.) / Year: 1998 Title: Crystal structure of a G:T/U mismatch-specific DNA glycosylase: mismatch recognition by complementary-strand interactions. Authors: Barrett, T.E. / Savva, R. / Panayotou, G. / Barlow, T. / Brown, T. / Jiricny, J. / Pearl, L.H. | ||||||
History |
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Remark 300 | BIOMOLECULE THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 2 CHAIN(S). ...BIOMOLECULE THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 2 CHAIN(S). The second strand of the DNA molecule is generated by applying symmetry operator 7_556 : y, x, 1-z, to D1P and bases 8-12, and applying symmetry operator 7_557 : y, x, 2-z, to bases 1-6. |
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1mwi.cif.gz | 56.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1mwi.ent.gz | 37.7 KB | Display | PDB format |
PDBx/mmJSON format | 1mwi.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/mw/1mwi ftp://data.pdbj.org/pub/pdb/validation_reports/mw/1mwi | HTTPS FTP |
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-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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Details | One asymmetric unit consists of a single protein molecule and 1 strand of DNA. The second strand is generated by x,y,-z (translation 0,0,1) applied to APR,THY,CYT,GUA, CYT,GUA and x,y,-z (translation 0,0,2) applied to the remaining nucleic acids. |
-Components
#1: DNA chain | Mass: 3571.293 Da / Num. of mol.: 1 / Source method: obtained synthetically |
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#2: Protein | Mass: 18696.352 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) / Gene: MUG / Plasmid: pTRC99A / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21DE3 References: UniProt: P0A9H1, Hydrolases; Glycosylases; Hydrolysing N-glycosyl compounds |
#3: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.58 Å3/Da / Density % sol: 52.25 % | ||||||||||||||||
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Crystal grow | Temperature: 289 K / Method: microbatch / pH: 4.6 Details: PEG 4000, Sodium acetate,, pH 4.6, Microbatch, temperature 289K | ||||||||||||||||
Components of the solutions |
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: SRS / Beamline: PX7.2 / Wavelength: 1.488 Å |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Aug 15, 1997 |
Radiation | Monochromator: Si 111 channel / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.488 Å / Relative weight: 1 |
Reflection | Resolution: 2.35→20 Å / Num. obs: 10144 / % possible obs: 99.2 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Redundancy: 4.5 % / Biso Wilson estimate: 37.3 Å2 / Rmerge(I) obs: 0.061 / Rsym value: 0.061 / Net I/σ(I): 15 |
Reflection shell | Resolution: 2.35→2.55 Å / Redundancy: 4.5 % / Rmerge(I) obs: 0.2 / Rsym value: 0.2 / % possible all: 95.2 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: Native MUG Resolution: 2.35→14.93 Å / Rfactor Rfree error: 0.015 / Data cutoff high absF: 1604690.93 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber Details: NO ELECTRON DENSITY IS OBSERVED FOR RESDUES 166 TO 168. RESIDUES A1, A109, A150 AND A151 WERE REFINED AS ALANINE. D1P CORRESPONDS TO AN ABASIC SITE
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Displacement parameters | Biso mean: 23.4 Å2
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Refine analyze | Luzzati coordinate error obs: 0.3 Å / Luzzati d res low obs: 5 Å / Luzzati sigma a obs: 0.37 Å | ||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.35→14.93 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.35→2.5 Å / Rfactor Rfree error: 0.042 / Total num. of bins used: 8
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Xplor file |
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