9h7l

Human Transthyretin in Complex with 4-phenyl-1H-pyrazolo[3,4-b]pyridin-3-amine

Method: X-RAY DIFFRACTION Dmax: 55.8 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 Not recorded CA CALCIUM ION × 4 A1IS0 4-phenyl-2H-pyrazolo[3,4-b]pyridin-3-amine × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;294.15 K;100 mM HEPES, 200 mM CaCl2, 28% v/v PEG400, pH 7.5 Resolution 1.18 Å R-free 0.192

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 501 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 1–127; UniProt 21–147 Author chain B; PDBConstruct 1–127; 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 9h7l

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9h7l
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9h7l
Deposition date deposition_date2024-10-27
Structure title titleHuman Transthyretin in Complex with 4-phenyl-1H-pyrazolo[3,4-b]pyridin-3-amine
Keywords keywordsAmyloidosis, Retinol, Thyroxine, RBP, 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_guinier17.92
Radius of gyration Rg (electron density) rg_electron16.98
Forward intensity I(0) i017512800.00
Molecular weight molecular_weight22028.0 kDa
Excluded volume excluded_volume21769 ų
Envelope volume envelope_volume33946 ų
Hydration-shell volume shell_volume16771 ų
Envelope diameter envelope_diameter58.2
Shell Rg shell_rg22.93
Envelope Rg envelope_rg17.12
Shape Rg shape_rg16.92
Total Rg total_rg17.81
Total atoms total_atoms1678
Residues n_residues223
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 dmax55.8
Rg (real space) rg_real17.79
Rg uncertainty (real space) rg_real_error0.27
I(0) (real space) i0_real1.7510e+07
I(0) uncertainty (real space) i0_real_error2.0370e+05
Rg (reciprocal space) rg_reciprocal17.80
I(0) (reciprocal space) i0_reciprocal17510000.0000
Solution quality estimate total_estimate0.6449
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.1
Skewness Skewness skewness0.123
Kurtosis Kurtosis kurtosis-0.496
Angular range angular_range— – 0.4450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3927000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.904; Stabil: 1.000; Sysdev: 0.227; Positv: 1.000; Valcen: 0.987; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (2)

9. Files and Curves (10)