1rkh

crystal structure of the rat vitamin D receptor ligand binding domain complexed with 2AM20R and a synthetic peptide containing the NR2 box of DRIP 205

Method: X-RAY DIFFRACTION Dmax: 60.3 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Vitamin D3 receptor

Rattus norvegicus

UniProt P13053

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 116–423 Fragment:ligand binding domain Mutation:Chain A, DEL(165-211) Peroxisome proliferator-activated receptor binding protein × 1 (Q15648) VD2 5-{2-[1-(5-HYDROXY-1,5-DIMETHYL-HEXYL)-7A-METHYL-OCTAHYDRO-INDEN-4-YLIDENE]-ETHYLIDENE}-2-METHYL-CYCLOHEXANE-1,3-DIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;295 K;PEG 4000, MOPS, ammonium citrate, isopropanol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.28 Å R-free 0.218
2 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 116–423 Fragment:ligand binding domain Mutation:Chain A, DEL(165-211) Peroxisome proliferator-activated receptor binding protein × 2 (Q15648) VD2 5-{2-[1-(5-HYDROXY-1,5-DIMETHYL-HEXYL)-7A-METHYL-OCTAHYDRO-INDEN-4-YLIDENE]-ETHYLIDENE}-2-METHYL-CYCLOHEXANE-1,3-DIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;295 K;PEG 4000, MOPS, ammonium citrate, isopropanol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.28 Å R-free 0.218

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

90 other PDB entries and 108 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name VDR_RAT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–261; UniProt 116–423

Peroxisome proliferator-activated receptor binding protein

OrganismNot specified

UniProt Q15648

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 640–652 Fragment:DRIP 205 NR2 box peptide Vitamin D3 receptor × 1 (P13053) VD2 5-{2-[1-(5-HYDROXY-1,5-DIMETHYL-HEXYL)-7A-METHYL-OCTAHYDRO-INDEN-4-YLIDENE]-ETHYLIDENE}-2-METHYL-CYCLOHEXANE-1,3-DIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;295 K;PEG 4000, MOPS, ammonium citrate, isopropanol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.28 Å R-free 0.218
2 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 640–652 Fragment:DRIP 205 NR2 box peptide Vitamin D3 receptor × 2 (P13053) VD2 5-{2-[1-(5-HYDROXY-1,5-DIMETHYL-HEXYL)-7A-METHYL-OCTAHYDRO-INDEN-4-YLIDENE]-ETHYLIDENE}-2-METHYL-CYCLOHEXANE-1,3-DIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;295 K;PEG 4000, MOPS, ammonium citrate, isopropanol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.28 Å R-free 0.218

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

74 other PDB entries and 82 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PPRB_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–13; UniProt 640–652

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 1rkh

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1rkh
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1rkh
Deposition date deposition_date2003-11-21
Structure title titlecrystal structure of the rat vitamin D receptor ligand binding domain complexed with 2AM20R and a synthetic peptide containing the NR2 box of DRIP 205
Keywords keywordsnuclear receptor-ligand complex, nuclear receptor-coactivator interactions, hormone-growth factor receptor COMPLEX; hormone/growth factor receptor
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier19.16
Radius of gyration Rg (electron density) rg_electron17.87
Forward intensity I(0) i013945700.00
Molecular weight molecular_weight28823.0 kDa
Excluded volume excluded_volume36450 ų
Envelope volume envelope_volume40785 ų
Hydration-shell volume shell_volume18887 ų
Envelope diameter envelope_diameter60.6
Shell Rg shell_rg24.21
Envelope Rg envelope_rg18.18
Shape Rg shape_rg17.86
Total Rg total_rg18.87
Total atoms total_atoms2024
Residues n_residues253
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax60.3
Rg (real space) rg_real19.04
Rg uncertainty (real space) rg_real_error0.25
I(0) (real space) i0_real1.3950e+07
I(0) uncertainty (real space) i0_real_error1.6240e+05
Rg (reciprocal space) rg_reciprocal19.06
I(0) (reciprocal space) i0_reciprocal13950000.0000
Solution quality estimate total_estimate0.8944
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.3
Skewness Skewness skewness0.178
Kurtosis Kurtosis kurtosis-0.363
Angular range angular_range— – 0.4150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2798000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.879; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.995

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1rkha_
Class classa — All alpha proteins
Fold Fold folda.123 — Nuclear receptor ligand-binding domain
Superfamily Superfamily superfamilya.123.1 — Nuclear receptor ligand-binding domain
Family Family familya.123.1.1 — Nuclear receptor ligand-binding domain

CATH v4.4 (1 domains)

Domain ID domain_id1rkhA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor

8. Citations (1)

9. Files and Curves (10)