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- PDB-1kb6: Crystal Structure of VDR DNA-binding Domain Bound to Rat Osteocal... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1kb6 | ||||||
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Title | Crystal Structure of VDR DNA-binding Domain Bound to Rat Osteocalcin (OC) Response Element | ||||||
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![]() | TRANSCRIPTION/DNA / VDR / NUCLEAR RECEPTOR / PROTEIN-DNA COMPLEX / VITAMIN D / TRANSCRIPTION-DNA COMPLEX | ||||||
Function / homology | ![]() regulation of calcidiol 1-monooxygenase activity / positive regulation of vitamin D 24-hydroxylase activity / bile acid nuclear receptor activity / response to bile acid / Vitamin D (calciferol) metabolism / apoptotic process involved in mammary gland involution / phosphate ion transmembrane transport / positive regulation of apoptotic process involved in mammary gland involution / calcitriol binding / lithocholic acid binding ...regulation of calcidiol 1-monooxygenase activity / positive regulation of vitamin D 24-hydroxylase activity / bile acid nuclear receptor activity / response to bile acid / Vitamin D (calciferol) metabolism / apoptotic process involved in mammary gland involution / phosphate ion transmembrane transport / positive regulation of apoptotic process involved in mammary gland involution / calcitriol binding / lithocholic acid binding / positive regulation of keratinocyte differentiation / vitamin D receptor signaling pathway / positive regulation of vitamin D receptor signaling pathway / bile acid signaling pathway / intestinal absorption / mammary gland branching involved in pregnancy / decidualization / negative regulation of keratinocyte proliferation / positive regulation of bone mineralization / nuclear retinoid X receptor binding / lactation / skeletal system development / SUMOylation of intracellular receptors / mRNA transcription by RNA polymerase II / cell morphogenesis / Nuclear Receptor transcription pathway / intracellular calcium ion homeostasis / RNA polymerase II transcription regulator complex / nuclear receptor activity / calcium ion transport / cell differentiation / receptor complex / DNA-binding transcription factor activity, RNA polymerase II-specific / RNA polymerase II cis-regulatory region sequence-specific DNA binding / negative regulation of cell population proliferation / negative regulation of DNA-templated transcription / positive regulation of gene expression / chromatin / negative regulation of transcription by RNA polymerase II / positive regulation of transcription by RNA polymerase II / DNA binding / zinc ion binding / nucleoplasm / nucleus / cytosol Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Shaffer, P.L. / Gewirth, D.T. | ||||||
![]() | ![]() Title: Structural basis of VDR-DNA interactions on direct repeat response elements. Authors: Shaffer, P.L. / Gewirth, D.T. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 75.5 KB | Display | ![]() |
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PDB format | ![]() | 52 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1kb2C ![]() 1kb4SC C: citing same article ( S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: DNA chain | Mass: 5614.655 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: Rat Osteocalcin (OC) Response Element | ||||
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#2: DNA chain | Mass: 5418.503 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: Rat Osteocalcin (OC) Response Element | ||||
#3: Protein | Mass: 12953.305 Da / Num. of mol.: 2 / Fragment: DNA-binding Domain (Residues 16-125) Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #4: Chemical | ChemComp-ZN / #5: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.02 Å3/Da / Density % sol: 59.3 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop / pH: 5.6 Details: PEG 8000, magnesium chloride, MES, glycerol, DTT, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions |
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Crystal grow | *PLUS Temperature: 18 ℃ / pH: 7.6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: APS-1 / Detector: CCD / Date: Sep 15, 2001 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.0332 Å / Relative weight: 1 |
Reflection | Resolution: 2.7→50 Å / Num. obs: 13127 / % possible obs: 96.7 % / Observed criterion σ(I): -3 / Redundancy: 12.5 % / Biso Wilson estimate: 44.9 Å2 / Rmerge(I) obs: 0.071 / Net I/σ(I): 34.4 |
Reflection shell | Resolution: 2.7→2.8 Å / Rmerge(I) obs: 0.32 / Mean I/σ(I) obs: 2.9 / Num. unique all: 1027 / % possible all: 77.6 |
Reflection | *PLUS Highest resolution: 2.7 Å / Lowest resolution: 50 Å / Rmerge(I) obs: 0.071 |
Reflection shell | *PLUS Highest resolution: 2.7 Å / Lowest resolution: 2.8 Å / % possible obs: 77.6 % / Rmerge(I) obs: 0.32 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1KB4 Resolution: 2.7→50 Å / Rfactor Rfree error: 0.008 / Data cutoff high absF: 682827.51 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: MAXIMUM LIKELIHOOD FUNCTION
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 43.1547 Å2 / ksol: 0.29935 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 77.6 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.7→50 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.7→2.8 Å / Rfactor Rfree error: 0.051 / Total num. of bins used: 10
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Xplor file |
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Refinement | *PLUS Lowest resolution: 50 Å / Num. reflection obs: 10321 / % reflection Rfree: 10 % / Rfactor obs: 0.223 / Rfactor Rfree: 0.275 / Rfactor Rwork: 0.223 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.477 / Rfactor Rwork: 0.42 |