5ezp

Human transthyretin (TTR) complexed with 4-hydroxy-chalcone

Method: X-RAY DIFFRACTION Dmax: 110.6 Å Quality: GOOD

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

Transthyretin

OrganismNot specified

UniProt P02766

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 homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 26–147 Chain B; UniProt 26–147 Chain C; UniProt 26–147 Chain D; UniProt 26–147 Not recorded IPJ 4-hydroxy-chalcone × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;Protein: 5mg/ML in 0.05 M NaCl, 0.025 M Na acetate, pH 5.5 and 0.001 M 4-hydroxychalcone Reservoir: 30% PEG4K, 0.1M Tris-HCl, pH 8.5 4 boosts (5 M NaCl) Cryoprotectant: CryoSol SM1, 25% PEG 4K, 0.1 M (Na acetate, ADA, Bicine) Buffer 20% acid / 80% basic 0.01 M ligand. Resolution 2.50 Å R-free 0.245
2 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain E; UniProt 26–147 Chain F; UniProt 26–147 Chain G; UniProt 26–147 Chain H; UniProt 26–147 Not recorded IPJ 4-hydroxy-chalcone × 2 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;Protein: 5mg/ML in 0.05 M NaCl, 0.025 M Na acetate, pH 5.5 and 0.001 M 4-hydroxychalcone Reservoir: 30% PEG4K, 0.1M Tris-HCl, pH 8.5 4 boosts (5 M NaCl) Cryoprotectant: CryoSol SM1, 25% PEG 4K, 0.1 M (Na acetate, ADA, Bicine) Buffer 20% acid / 80% basic 0.01 M ligand. Resolution 2.50 Å R-free 0.245

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.

460 other PDB entries and 500 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TTHY_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–122; UniProt 26–147 Author chain B; PDBConstruct 1–122; UniProt 26–147 Author chain C; PDBConstruct 1–122; UniProt 26–147 Author chain D; PDBConstruct 1–122; UniProt 26–147 Author chain E; PDBConstruct 1–122; UniProt 26–147 Author chain F; PDBConstruct 1–122; UniProt 26–147 Author chain G; PDBConstruct 1–122; UniProt 26–147 Author chain H; PDBConstruct 1–122; UniProt 26–147

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 5ezp

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5ezp
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5ezp
Deposition date deposition_date2015-11-26
Structure title titleHuman transthyretin (TTR) complexed with 4-hydroxy-chalcone
Keywords keywordsHuman transthyretin (TTR), chalcone, inhibitor complex, new crystal polymorph, transport protein; TRANSPORT PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.49
Radius of gyration Rg (electron density) rg_electron32.75
Forward intensity I(0) i0160395000.00
Molecular weight molecular_weight103710.0 kDa
Excluded volume excluded_volume130620 ų
Envelope volume envelope_volume167020 ų
Hydration-shell volume shell_volume42911 ų
Envelope diameter envelope_diameter119.1
Shell Rg shell_rg39.04
Envelope Rg envelope_rg32.81
Shape Rg shape_rg32.74
Total Rg total_rg33.30
Total atoms total_atoms7346
Residues n_residues936
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 dmax110.6
Rg (real space) rg_real33.57
Rg uncertainty (real space) rg_real_error0.83
I(0) (real space) i0_real1.6040e+08
I(0) uncertainty (real space) i0_real_error2.6710e+06
Rg (reciprocal space) rg_reciprocal33.52
I(0) (reciprocal space) i0_reciprocal160400000.0000
Solution quality estimate total_estimate0.8665
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary35.3
Skewness Skewness skewness0.454
Kurtosis Kurtosis kurtosis-0.318
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha82960000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.838; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.953; Smooth: 0.794

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd5ezpa_
Class classb — All beta proteins
Fold Fold foldb.3 — Prealbumin-like
Superfamily Superfamily superfamilyb.3.4 — Transthyretin (synonym: prealbumin)
Family Family familyb.3.4.1 — Transthyretin (synonym: prealbumin)
Domain ID domain_idd5ezpb_
Class classb — All beta proteins
Fold Fold foldb.3 — Prealbumin-like
Superfamily Superfamily superfamilyb.3.4 — Transthyretin (synonym: prealbumin)
Family Family familyb.3.4.1 — Transthyretin (synonym: prealbumin)
Domain ID domain_idd5ezpc_
Class classb — All beta proteins
Fold Fold foldb.3 — Prealbumin-like
Superfamily Superfamily superfamilyb.3.4 — Transthyretin (synonym: prealbumin)
Family Family familyb.3.4.1 — Transthyretin (synonym: prealbumin)
Domain ID domain_idd5ezpd_
Class classb — All beta proteins
Fold Fold foldb.3 — Prealbumin-like
Superfamily Superfamily superfamilyb.3.4 — Transthyretin (synonym: prealbumin)
Family Family familyb.3.4.1 — Transthyretin (synonym: prealbumin)
Domain ID domain_idd5ezpe_
Class classb — All beta proteins
Fold Fold foldb.3 — Prealbumin-like
Superfamily Superfamily superfamilyb.3.4 — Transthyretin (synonym: prealbumin)
Family Family familyb.3.4.1 — Transthyretin (synonym: prealbumin)
Domain ID domain_idd5ezpf_
Class classb — All beta proteins
Fold Fold foldb.3 — Prealbumin-like
Superfamily Superfamily superfamilyb.3.4 — Transthyretin (synonym: prealbumin)
Family Family familyb.3.4.1 — Transthyretin (synonym: prealbumin)
Domain ID domain_idd5ezpg_
Class classb — All beta proteins
Fold Fold foldb.3 — Prealbumin-like
Superfamily Superfamily superfamilyb.3.4 — Transthyretin (synonym: prealbumin)
Family Family familyb.3.4.1 — Transthyretin (synonym: prealbumin)
Domain ID domain_idd5ezph_
Class classb — All beta proteins
Fold Fold foldb.3 — Prealbumin-like
Superfamily Superfamily superfamilyb.3.4 — Transthyretin (synonym: prealbumin)
Family Family familyb.3.4.1 — Transthyretin (synonym: prealbumin)

CATH v4.4 (8 domains)

Domain ID domain_id5ezpA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily180 — Transthyretin/hydroxyisourate hydrolase domain
Domain ID domain_id5ezpB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily180 — Transthyretin/hydroxyisourate hydrolase domain
Domain ID domain_id5ezpC00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily180 — Transthyretin/hydroxyisourate hydrolase domain
Domain ID domain_id5ezpD00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily180 — Transthyretin/hydroxyisourate hydrolase domain
Domain ID domain_id5ezpE00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily180 — Transthyretin/hydroxyisourate hydrolase domain
Domain ID domain_id5ezpF00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily180 — Transthyretin/hydroxyisourate hydrolase domain
Domain ID domain_id5ezpG00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily180 — Transthyretin/hydroxyisourate hydrolase domain
Domain ID domain_id5ezpH00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily180 — Transthyretin/hydroxyisourate hydrolase domain

8. Citations (1)

9. Files and Curves (10)