+Open data
-Basic information
Entry | Database: PDB / ID: 1jk2 | ||||||
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Title | Zif268 D20A mutant bound to the GCT DNA site | ||||||
Components |
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Keywords | TRANSCRIPTION/DNA / zinc-finger / double stranded DNA / protein-DNA complex / TRANSCRIPTION-DNA COMPLEX | ||||||
Function / homology | Function and homology information glomerular mesangial cell proliferation / positive regulation of glomerular metanephric mesangial cell proliferation / cellular response to interleukin-8 / regulation of progesterone biosynthetic process / regulation of protein sumoylation / cellular response to mycophenolic acid / cellular response to heparin / circadian temperature homeostasis / positive regulation of post-translational protein modification / positive regulation of hormone biosynthetic process ...glomerular mesangial cell proliferation / positive regulation of glomerular metanephric mesangial cell proliferation / cellular response to interleukin-8 / regulation of progesterone biosynthetic process / regulation of protein sumoylation / cellular response to mycophenolic acid / cellular response to heparin / circadian temperature homeostasis / positive regulation of post-translational protein modification / positive regulation of hormone biosynthetic process / double-stranded methylated DNA binding / hemi-methylated DNA-binding / positive regulation of gene expression via chromosomal CpG island demethylation / interleukin-1-mediated signaling pathway / histone acetyltransferase binding / : / positive regulation of smooth muscle cell migration / skeletal muscle cell differentiation / locomotor rhythm / T cell differentiation / estrous cycle / RNA polymerase II core promoter sequence-specific DNA binding / BMP signaling pathway / long-term memory / response to glucose / regulation of neuron apoptotic process / positive regulation of chemokine production / positive regulation of interleukin-1 beta production / response to ischemia / promoter-specific chromatin binding / RNA polymerase II transcription regulatory region sequence-specific DNA binding / positive regulation of smooth muscle cell proliferation / regulation of long-term neuronal synaptic plasticity / circadian regulation of gene expression / response to insulin / negative regulation of canonical Wnt signaling pathway / cellular response to gamma radiation / positive regulation of miRNA transcription / positive regulation of neuron apoptotic process / double-stranded DNA binding / DNA-binding transcription activator activity, RNA polymerase II-specific / regulation of apoptotic process / sequence-specific DNA binding / learning or memory / transcription cis-regulatory region binding / response to hypoxia / DNA-binding transcription factor activity, RNA polymerase II-specific / RNA polymerase II cis-regulatory region sequence-specific DNA binding / DNA-binding transcription factor activity / chromatin / positive regulation of gene expression / regulation of DNA-templated transcription / regulation of transcription by RNA polymerase II / positive regulation of DNA-templated transcription / enzyme binding / negative regulation of transcription by RNA polymerase II / positive regulation of transcription by RNA polymerase II / DNA binding / zinc ion binding / nucleoplasm / nucleus / cytoplasm Similarity search - Function | ||||||
Biological species | Mus musculus (house mouse) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.65 Å | ||||||
Authors | Miller, J.C. / Pabo, C.O. | ||||||
Citation | Journal: J.Mol.Biol. / Year: 2001 Title: Rearrangement of side-chains in a Zif268 mutant highlights the complexities of zinc finger-DNA recognition. Authors: Miller, J.C. / Pabo, C.O. #1: Journal: Structure / Year: 1996 Title: Zif268 Protein-DNA Complex Refined at 1.6 A: A Model System for Understanding Zinc Finger-DNA Interactions Authors: Elrod-Erickson, M. / Rould, M.A. / Nekludova, L. / Pabo, C.O. #2: Journal: J.Biol.Chem. / Year: 1999 Title: Binding Studies with Mutants of Zif268. Contribution of Individual Side Chains to Binding Affinity and Specificity in the Zif268 Zinc Finger-DNA Complex Authors: Elrod-Erickson, M. / Pabo, C.O. | ||||||
History |
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Remark 650 | HELIX DETERMINATION METHOD: AUTHOR |
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1jk2.cif.gz | 50.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1jk2.ent.gz | 33.6 KB | Display | PDB format |
PDBx/mmJSON format | 1jk2.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/jk/1jk2 ftp://data.pdbj.org/pub/pdb/validation_reports/jk/1jk2 | 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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-Components
#1: DNA chain | Mass: 3430.233 Da / Num. of mol.: 1 / Source method: obtained synthetically | ||
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#2: DNA chain | Mass: 3279.151 Da / Num. of mol.: 1 / Source method: obtained synthetically | ||
#3: Protein | Mass: 10809.488 Da / Num. of mol.: 1 / Fragment: ZINC FINGERS (Residues 333-421) / Mutation: D120A Source method: isolated from a genetically manipulated source Source: (gene. exp.) Mus musculus (house mouse) / Plasmid: pZifD20A / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21 (DE3) / References: UniProt: P08046 | ||
#4: Chemical | #5: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 3 |
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-Sample preparation
Crystal | Density Matthews: 2.25 Å3/Da / Density % sol: 45.44 % | ||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8 Details: 300 mM NaCl, 10% PEG 1450, 25 mM Bis-Tris propane, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K | ||||||||||||||||||||||||||||||||||||||||||
Components of the solutions |
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Crystal grow | *PLUS pH: 6.2 / Details: Elrod-Erickson, M., (1998) Structure, 6,451. | ||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 125 K |
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418 Å |
Detector | Type: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: May 28, 1999 / Details: Yale mirrors |
Radiation | Monochromator: yale mirrors / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.65→20 Å / Num. all: 18149 / Num. obs: 18149 / % possible obs: 91.3 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Biso Wilson estimate: 24.7 Å2 / Rmerge(I) obs: 0.052 |
Reflection shell | Resolution: 1.65→1.71 Å / Num. unique all: 1460 / % possible all: 75.1 |
Reflection | *PLUS Num. measured all: 138650 |
Reflection shell | *PLUS % possible obs: 75.1 % |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: D20A bound to the wt site with the appropriate change to the DNA and with waters and side chains of residues 18 and 21 removed Resolution: 1.65→20 Å / Rfactor Rfree error: 0.007 / Data cutoff high absF: 10000000 / Data cutoff low absF: 0.001 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 2 Stereochemistry target values: X-PLOR parameters PARHCSDX.PRO and PARNDBX.DNA
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Displacement parameters | Biso mean: 30.1 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.65→20 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.65→1.75 Å / Rfactor Rfree error: 0.03 / Total num. of bins used: 6
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Xplor file |
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Software | *PLUS Name: X-PLOR / Version: 3.851 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS σ(F): 2 / % reflection Rfree: 9.9 % / Rfactor obs: 0.23 / Rfactor Rwork: 0.23 | ||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS Biso mean: 30.1 Å2 | ||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.434 / % reflection Rfree: 10 % / Rfactor Rwork: 0.395 |