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Open data
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Basic information
| Entry | Database: PDB / ID: 1f2i | ||||||
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| Title | COCRYSTAL STRUCTURE OF SELECTED ZINC FINGER DIMER BOUND TO DNA | ||||||
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Keywords | TRANSCRIPTION/DNA / zinc finger / dimer / protein-DNA complex / cooperativity / TRANSCRIPTION-DNA COMPLEX | ||||||
| Function / homology | Function and homology informationregulation of protein sumoylation / glomerular mesangial cell proliferation / positive regulation of glomerular metanephric mesangial cell proliferation / cellular response to interleukin-8 / regulation of progesterone biosynthetic process / cellular response to heparin / cellular response to mycophenolic acid / circadian temperature homeostasis / positive regulation of post-translational protein modification / positive regulation of hormone biosynthetic process ...regulation of protein sumoylation / glomerular mesangial cell proliferation / positive regulation of glomerular metanephric mesangial cell proliferation / cellular response to interleukin-8 / regulation of progesterone biosynthetic process / cellular response to heparin / cellular response to mycophenolic acid / 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 / locomotor rhythm / skeletal muscle cell differentiation / T cell differentiation / BMP signaling pathway / response to glucose / estrous cycle / positive regulation of chemokine production / regulation of neuron apoptotic process / response to ischemia / positive regulation of interleukin-1 beta production / RNA polymerase II transcription regulatory region sequence-specific DNA binding / promoter-specific chromatin binding / circadian regulation of gene expression / cellular response to gamma radiation / negative regulation of canonical Wnt signaling pathway / response to insulin / positive regulation of miRNA transcription / DNA-binding transcription activator activity, RNA polymerase II-specific / regulation of apoptotic process / sequence-specific DNA binding / response to hypoxia / transcription cis-regulatory region binding / RNA polymerase II cis-regulatory region sequence-specific DNA binding / DNA-binding transcription factor activity / regulation of DNA-templated transcription / regulation of transcription by RNA polymerase II / chromatin / 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 | ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / Resolution: 2.35 Å | ||||||
Authors | Wang, B.S. / Grant, R.A. / Pabo, C.O. | ||||||
Citation | Journal: Nat.Struct.Biol. / Year: 2001Title: Selected peptide extension contacts hydrophobic patch on neighboring zinc finger and mediates dimerization on DNA. Authors: Wang, B.S. / Grant, R.A. / Pabo, C.O. #1: Journal: Proc.Natl.Acad.Sci.USA / Year: 1999Title: Dimerization of zinc fingers mediated by peptides evolved in vitro from random sequences Authors: Wang, B.S. / Pabo, C.O. | ||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 1f2i.cif.gz | 151.5 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1f2i.ent.gz | 112.6 KB | Display | PDB format |
| PDBx/mmJSON format | 1f2i.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1f2i_validation.pdf.gz | 434.1 KB | Display | wwPDB validaton report |
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| Full document | 1f2i_full_validation.pdf.gz | 449.5 KB | Display | |
| Data in XML | 1f2i_validation.xml.gz | 11.4 KB | Display | |
| Data in CIF | 1f2i_validation.cif.gz | 19.7 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/f2/1f2i ftp://data.pdbj.org/pub/pdb/validation_reports/f2/1f2i | HTTPS FTP |
-Related structure data
| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| 1 | ![]()
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| 2 | ![]()
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| 3 | ![]()
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| Unit cell |
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| Details | The biological assembly is a dimer constructed from chains A, B, G, and H / The biological assembly is a dimer constructed from chains C, D, I, and J / The biological assembly is a dimer constructed from chains E, F, K, and L |
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Components
| #1: DNA chain | Mass: 4281.780 Da / Num. of mol.: 6 / Source method: obtained synthetically #2: Protein | Mass: 8783.174 Da / Num. of mol.: 6 / Fragment: ZIF12 CONTAINS ZINC FINGERS 1 AND 2 OF ZIF268 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #3: Chemical | ChemComp-ZN / #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 2 |
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Sample preparation
| Crystal | Density Matthews: 3.59 Å3/Da / Density % sol: 65.77 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.2 Details: PEG 4000, NaCl, MgCl2, MES, pH 6.2, VAPOR DIFFUSION, HANGING DROP at 298K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Components of the solutions |
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| Crystal grow | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
| Diffraction |
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| Detector |
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| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||
| Radiation wavelength |
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| Reflection | Resolution: 2.35→20 Å / Num. all: 45864 / Num. obs: 45805 / % possible obs: 99.9 % / Observed criterion σ(I): -3 / Redundancy: 4.2 % / Biso Wilson estimate: 24.7 Å2 / Rmerge(I) obs: 0.081 / Net I/σ(I): 15.5 | ||||||||||||||||||
| Reflection shell | Resolution: 2.35→2.43 Å / Redundancy: 4 % / Rmerge(I) obs: 0.345 / Num. unique all: 4571 / % possible all: 99.8 | ||||||||||||||||||
| Reflection | *PLUS Num. measured all: 191628 | ||||||||||||||||||
| Reflection shell | *PLUS % possible obs: 99.8 % |
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Processing
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| Refinement | Resolution: 2.35→20 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 10000000 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 2 / Stereochemistry target values: Engh & Huber
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| Displacement parameters | Biso mean: 41.4 Å2 | ||||||||||||||||||||||||||||||||||||
| Refine analyze |
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| Refinement step | Cycle: LAST / Resolution: 2.35→20 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 2.35→2.5 Å / Rfactor Rfree error: 0.016 / 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: 10.1 % / Rfactor Rwork: 0.21 | ||||||||||||||||||||||||||||||||||||
| Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||
| Displacement parameters | *PLUS Biso mean: 41.4 Å2 | ||||||||||||||||||||||||||||||||||||
| Refine LS restraints | *PLUS
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| LS refinement shell | *PLUS Rfactor Rfree: 0.362 / % reflection Rfree: 11 % / Rfactor Rwork: 0.331 |
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