3kba

Progesterone receptor bound to sulfonamide pyrrolidine partial agonist

Method: X-RAY DIFFRACTION Dmax: 91.2 Å Quality: GOOD

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

Progesterone receptor

Homo sapiens

UniProt P06401

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 681–933 Fragment:Steroid-binding region: UNP residues 681-933 WOW 2-chloro-4-{(2-methylbenzyl)[(3S)-1-(methylsulfonyl)pyrrolidin-3-yl]amino}benzonitrile × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;291 K;20% PEG 3350, 2mM Li2SO4, HEPES pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K Resolution 2.00 Å R-free 0.250
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 681–933 Fragment:Steroid-binding region: UNP residues 681-933 WOW 2-chloro-4-{(2-methylbenzyl)[(3S)-1-(methylsulfonyl)pyrrolidin-3-yl]amino}benzonitrile × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;291 K;20% PEG 3350, 2mM Li2SO4, HEPES pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K Resolution 2.00 Å R-free 0.250

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.

18 other PDB entries and 30 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRGR_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–253; UniProt 681–933 Author chain B; PDBConstruct 1–253; UniProt 681–933

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 3kba

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3kba
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3kba
Deposition date deposition_date2009-10-20
Structure title titleProgesterone receptor bound to sulfonamide pyrrolidine partial agonist
Keywords keywordsnuclear receptor, transcription, Transcription regulation; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.47
Radius of gyration Rg (electron density) rg_electron26.53
Forward intensity I(0) i047654600.00
Molecular weight molecular_weight56983.0 kDa
Excluded volume excluded_volume72777 ų
Envelope volume envelope_volume86450 ų
Hydration-shell volume shell_volume27603 ų
Envelope diameter envelope_diameter96.9
Shell Rg shell_rg33.22
Envelope Rg envelope_rg26.52
Shape Rg shape_rg26.53
Total Rg total_rg27.28
Total atoms total_atoms4001
Residues n_residues494
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 dmax91.2
Rg (real space) rg_real27.49
Rg uncertainty (real space) rg_real_error0.70
I(0) (real space) i0_real4.7650e+07
I(0) uncertainty (real space) i0_real_error6.6410e+05
Rg (reciprocal space) rg_reciprocal27.49
I(0) (reciprocal space) i0_reciprocal47650000.0000
Solution quality estimate total_estimate0.8899
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.3
Skewness Skewness skewness0.313
Kurtosis Kurtosis kurtosis-0.594
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11950000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.869; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.962; Smooth: 0.996

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3kbaa_
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
Domain ID domain_idd3kbab_
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 (2 domains)

Domain ID domain_id3kbaA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor
Domain ID domain_id3kbaB00
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)