9wpb

Crystal structure of human transthyretin (TTR) with pryazole-based stabilizer

Method: X-RAY DIFFRACTION Dmax: 117.6 Å Quality: REASONABLE

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

Transthyretin

Homo sapiens

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 21–147 Chain B; UniProt 21–147 Chain C; UniProt 21–147 Chain D; UniProt 21–147 Not recorded A1MB7 4-[2-[3,5-bis(chloranyl)-1~{H}-pyrazol-4-yl]ethyl]benzoic acid × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291 K;0.2M CaCl2, 20% w/v PEG 3350 Resolution 1.58 Å R-free 0.180
2 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain E; UniProt 21–147 Chain F; UniProt 21–147 Chain G; UniProt 21–147 Chain H; UniProt 21–147 Not recorded A1MB7 4-[2-[3,5-bis(chloranyl)-1~{H}-pyrazol-4-yl]ethyl]benzoic acid × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291 K;0.2M CaCl2, 20% w/v PEG 3350 Resolution 1.58 Å R-free 0.180

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 4–130; UniProt 21–147 Author chain B; PDBConstruct 4–130; UniProt 21–147 Author chain C; PDBConstruct 4–130; UniProt 21–147 Author chain D; PDBConstruct 4–130; UniProt 21–147 Author chain E; PDBConstruct 4–130; UniProt 21–147 Author chain F; PDBConstruct 4–130; UniProt 21–147 Author chain G; PDBConstruct 4–130; UniProt 21–147 Author chain H; PDBConstruct 4–130; UniProt 21–147

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 9wpb

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9wpb
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9wpb
Deposition date deposition_date2025-09-08
最后修订 last_revision2026-05-06
Structure title titleCrystal structure of human transthyretin (TTR) with pryazole-based stabilizer
Keywords keywordsTransthyretin, Hydroxyisourate hydrolase, kinetic stabilizer, 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_guinier36.24
Radius of gyration Rg (electron density) rg_electron36.14
Forward intensity I(0) i0303560000.00
Molecular weight molecular_weight95395.0 kDa
Excluded volume excluded_volume92983 ų
Envelope volume envelope_volume163940 ų
Hydration-shell volume shell_volume39049 ų
Envelope diameter envelope_diameter124.2
Shell Rg shell_rg40.83
Envelope Rg envelope_rg35.94
Shape Rg shape_rg36.10
Total Rg total_rg36.45
Total atoms total_atoms7272
Residues n_residues928
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 dmax117.6
Rg (real space) rg_real36.51
Rg uncertainty (real space) rg_real_error1.04
I(0) (real space) i0_real3.0360e+08
I(0) uncertainty (real space) i0_real_error5.2800e+06
Rg (reciprocal space) rg_reciprocal36.35
I(0) (reciprocal space) i0_reciprocal303500000.0000
Solution quality estimate total_estimate0.5976
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.1
Skewness Skewness skewness0.445
Kurtosis Kurtosis kurtosis-0.598
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha85860000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.761; Stabil: 1.000; Sysdev: 0.028; Positv: 1.000; Valcen: 0.804; Smooth: 0.594

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)