6ep1

Transthyretin in complex with 5-(4-nitrophenylazo)-3-iodosalicylic acid

Method: X-RAY DIFFRACTION Dmax: 59.9 Å Quality: GOOD

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 30–144 Chain B; UniProt 30–144 Fragment:UNP Residues 30-144 BQB 5-(4-nitrophenylazo)-3-iodosalicylic acid × 4 X-RAY DIFFRACTION X-ray crystallization conditions:EVAPORATION;293 K;acetate buffer 0.2 M pH 4.8-5.4, ammonium sulfate 1.8-2.2 M, 7% glycerol Resolution 1.30 Å R-free 0.190

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 1–115; UniProt 30–144 Author chain B; PDBConstruct 1–115; UniProt 30–144

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 6ep1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6ep1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6ep1
Deposition date deposition_date2017-10-10
Structure title titleTransthyretin in complex with 5-(4-nitrophenylazo)-3-iodosalicylic acid
Keywords keywordsAmyloid inhibitor, FAP inhibitor, transthyretin, 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_guinier18.86
Radius of gyration Rg (electron density) rg_electron17.46
Forward intensity I(0) i012238000.00
Molecular weight molecular_weight25935.0 kDa
Excluded volume excluded_volume32239 ų
Envelope volume envelope_volume37031 ų
Hydration-shell volume shell_volume17706 ų
Envelope diameter envelope_diameter61.0
Shell Rg shell_rg23.68
Envelope Rg envelope_rg17.68
Shape Rg shape_rg17.39
Total Rg total_rg18.60
Total atoms total_atoms1821
Residues n_residues230
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 dmax59.9
Rg (real space) rg_real18.75
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real1.2240e+07
I(0) uncertainty (real space) i0_real_error1.4810e+05
Rg (reciprocal space) rg_reciprocal18.76
I(0) (reciprocal space) i0_reciprocal12240000.0000
Solution quality estimate total_estimate0.8927
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.5
Skewness Skewness skewness0.141
Kurtosis Kurtosis kurtosis-0.418
Angular range angular_range— – 0.4200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2998000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.872; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.992

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd6ep1a_
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_idd6ep1b_
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)

8. Citations (1)

9. Files and Curves (10)